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annotate host/tools/Utils/common/Subprocess.cpp @ 2863:7d8c61e6225c default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Thu, 26 Mar 2009 20:39:18 +0000
parents 74dbf4c3f2e1
children
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1 // ####ECOSHOSTGPLCOPYRIGHTBEGIN####
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2 // -------------------------------------------
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3 // This file is part of the eCos host tools.
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4 // Copyright (C) 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
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5 //
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6 // This program is free software; you can redistribute it and/or modify
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7 // it under the terms of the GNU General Public License as published by
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8 // the Free Software Foundation; either version 2 or (at your option) any
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9 // later version.
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10 //
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11 // This program is distributed in the hope that it will be useful, but
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12 // WITHOUT ANY WARRANTY; without even the implied warranty of
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 // General Public License for more details.
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15 //
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16 // You should have received a copy of the GNU General Public License
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17 // along with this program; if not, write to the
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18 // Free Software Foundation, Inc., 51 Franklin Street,
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19 // Fifth Floor, Boston, MA 02110-1301, USA.
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20 // -------------------------------------------
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21 // ####ECOSHOSTGPLCOPYRIGHTEND####
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22 //===========================================================================
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23 //===========================================================================
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24 //#####DESCRIPTIONBEGIN####
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25 //
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26 // Author(s): sdf
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27 // Contact(s): sdf
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28 // Date: 1998/08/11
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29 // Version: 0.01
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30 // Purpose:
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31 // Description: This is the implementation of the class which allows for spawning subprocesses
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32 //
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33 // Requires:
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34 // Provides:
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35 // See also:
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36 // Known bugs:
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37 // Usage:
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38 //
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39 //####DESCRIPTIONEND####
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40 //
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41 //===========================================================================
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42
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43 // define _GNU_SOURCE to ensure that stdlib.h provides Unix98 PTY declarations
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44 #define _GNU_SOURCE
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45
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46 #include "eCosTrace.h"
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47 #include "Subprocess.h"
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48 #ifdef _WIN32
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49 #include <tlhelp32.h>
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50
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51 HINSTANCE CSubprocess::hInstLib1 = VER_PLATFORM_WIN32_NT==CSubprocess::GetPlatform()?LoadLibrary(_T("PSAPI.DLL")):LoadLibrary(_T("Kernel32.DLL")) ;
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52 HINSTANCE CSubprocess::hInstLib2 = VER_PLATFORM_WIN32_NT==CSubprocess::GetPlatform()?LoadLibrary(_T("NTDLL.DLL")):NULL;
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53
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54 #endif
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55
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56 //#define CloseHandle(x) TRACE(_T("CSubprocess::CloseHandle %x\n"),x);::CloseHandle(x)
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57
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58 const unsigned int CSubprocess::PROCESS_KILL_EXIT_CODE=0xCCFFCCFF;
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59
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60 CSubprocess::CSubprocess(bool bAutoDelete):
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61 m_pfnContinue(DefaultContinuationFunc),
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62 m_pContinuationFuncParam(0),
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63 m_bAutoDelete(bAutoDelete),
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64 m_bThreadTerminated(true),
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65 m_bVerbose(false),
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66 m_nExitCode(-1),
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67 m_idProcess(0),
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68 m_pLogparam(0),
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69 m_pfnLogfunc(0),
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70 m_bKillThread(false)
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71 {
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72 #ifdef _WIN32
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73 m_hProcess=0;
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74 #endif
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75 }
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76
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77 CSubprocess::~CSubprocess()
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78 {
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79 Kill();
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80 if(!CeCosThreadUtils::WaitFor(m_bThreadTerminated,1000)){
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81 m_bKillThread=true;
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82 CeCosThreadUtils::WaitFor(m_bThreadTerminated);
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83 }
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84 #ifdef _WIN32
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85 if(m_hProcess){
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86 CloseHandle(m_hProcess);
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87 }
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88 #endif
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89 }
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90
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91 bool CSubprocess::Run(LogFunc *pfnLog,void * pLogparam, LPCTSTR pszCmd,bool bBlock/*=true*/)
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92 {
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93 bool rc;
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94 if(!m_bThreadTerminated){
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95 rc=false;
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96 } else {
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97 m_pfnLogfunc=pfnLog;
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98 m_pLogparam=pLogparam;
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99 #ifdef _WIN32
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100 // UNIX does it from the thread func. WIN32 could too, but it's nice to know at the time
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101 // of calling run whether the process is successfully created.
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102 if(m_hProcess){
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103 // Normally done in the dtor
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104 CloseHandle(m_hProcess);
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105 }
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106 rc=CreateProcess(pszCmd);
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107 #else
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108 m_strCmd=pszCmd;
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109 rc=true;
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110 #endif
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111 if(rc){
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112 m_bKillThread=false;
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113 if(bBlock){
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114 // When using RunThread, the manipulation of this Boolean is taken care of.
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115 // Here we must do it ourselves.
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116 m_bThreadTerminated=false;
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117 ThreadFunc();
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118 m_bThreadTerminated=true;
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119 } else {
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120 CeCosThreadUtils::RunThread(SThreadFunc,this,&m_bThreadTerminated,String::SFormat(_T("subprocess %d read"),m_idProcess));
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121 }
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122 }
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123 }
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124 return rc;
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125 }
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126
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127 #ifdef _WIN32
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128 bool CSubprocess::CreateProcess(LPCTSTR pszCmdline)
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129 {
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130
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131 STARTUPINFO si; // For CreateProcess call
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132 HANDLE hrPipe,hwPipe,hwPipe2,m_hrPipeTemp,m_hwPipeTemp;
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133 // Create the anonymous pipe
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134
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135 SECURITY_ATTRIBUTES saPipe; // Security for anonymous pipe
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136 saPipe.nLength = sizeof(SECURITY_ATTRIBUTES);
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137 saPipe.lpSecurityDescriptor = NULL;
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138 saPipe.bInheritHandle = true;
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139
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140 ::CreatePipe(&m_hrPipeTemp,&hwPipe,&saPipe,10240);
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141
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142 // In most cases you can get away with using the same anonymous
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143 // pipe write handle for both the child's standard output and
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144 // standard error, but this may cause problems if the child app
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145 // explicitly closes one of its standard output or error handles. If
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146 // that happens, the anonymous pipe will close, since the child's
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147 // standard output and error handles are really the same handle. The
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148 // child won't be able to write to the other write handle since the
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149 // pipe is now gone, and parent reads from the pipe will return
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150 // ERROR_BROKEN_PIPE and child output will be lost. To solve this
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151 // problem, simply duplicate the write end of the pipe to create
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152 // another distinct, separate handle to the write end of the pipe.
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153 // One pipe write handle will serve as standard out, the other as
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154 // standard error. Now *both* write handles must be closed before the
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155 // write end of the pipe actually closes.
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156
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157 ::DuplicateHandle(::GetCurrentProcess(), // Source process
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158 hwPipe, // Handle to duplicate
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159 ::GetCurrentProcess(), // Destination process
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160 &hwPipe2, // New handle, used as stderr by child
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161 0, // New access flags - ignored since DUPLICATE_SAME_ACCESS
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162 true, // It's inheritable
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163 DUPLICATE_SAME_ACCESS);
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164
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165 ::CreatePipe(&hrPipe,&m_hwPipeTemp,&saPipe,10240);
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166
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167
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168 // Create new output read handle and the input write handles, setting
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169 // the Properties to FALSE. Otherwise, the child inherits the
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170 // properties and, as a result, non-closeable handles to the pipes
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171 // are created.
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172 DuplicateHandle(GetCurrentProcess(),m_hrPipeTemp,
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173 GetCurrentProcess(),
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174 &m_hrPipe, // Address of new handle.
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175 0,FALSE, // Make it uninheritable.
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176 DUPLICATE_SAME_ACCESS);
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177
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178 DuplicateHandle(GetCurrentProcess(),m_hwPipeTemp,
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179 GetCurrentProcess(),
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180 &m_hwPipe, // Address of new handle.
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181 0,FALSE, // Make it uninheritable.
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182 DUPLICATE_SAME_ACCESS);
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183
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184 // Close inheritable copies of the handles we do not want to be inherited:
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185 CloseHandle(m_hrPipeTemp);
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186 CloseHandle(m_hwPipeTemp);
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187
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188
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189 memset(&si, 0, sizeof(si));
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190 si.cb = sizeof(si);
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191
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192 si.hStdOutput = hwPipe;
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193 si.hStdError = hwPipe2;
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194 si.hStdInput = hrPipe;
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195 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
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196 si.wShowWindow = SW_SHOW;
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197
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198 LPCTSTR pszDir;
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199 if(m_strDir.empty()){
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200 pszDir=NULL; // current directory
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201 } else {
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202 pszDir=m_strDir;
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203 }
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204
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205 PROCESS_INFORMATION pi;
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206 String strCmd(pszCmdline);
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207
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208 String strOrigpath;
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209 if(!m_strPath.empty()){
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210 int nSize=GetEnvironmentVariable(_T("PATH"), NULL, 0);
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211 if(nSize>0){
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212 GetEnvironmentVariable(_T("PATH"),strOrigpath.GetBuffer(nSize),nSize);
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213 strOrigpath.ReleaseBuffer();
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214 SetEnvironmentVariable(_T("PATH"),m_strPath);
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215 }
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216 }
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217
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218 bool rc=(TRUE==::CreateProcess(NULL,strCmd.GetBuffer(),NULL,NULL,true,DETACHED_PROCESS|CREATE_NEW_PROCESS_GROUP,NULL,pszDir,&si,&pi));
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219
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220 if(!m_strPath.empty()){
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221 SetEnvironmentVariable(_T("PATH"),strOrigpath);
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222 }
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223
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224 m_nErr=GetLastError();
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225
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226 strCmd.ReleaseBuffer();
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227
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228 if(rc){
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229 m_idProcess=pi.dwProcessId;
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230 m_hProcess=pi.hProcess;
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231 if(m_bVerbose){
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232 Output(String::SFormat(_T("*** Process %d created \"%s\"\n"),m_idProcess,pszCmdline));
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233 }
84
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234 TRACE(String::SFormat(_T("Process %d created \"%s\"\n"),m_idProcess,pszCmdline));
82
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235 m_nExitCode=STILL_ACTIVE;
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236 CloseHandle(pi.hThread);
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237 } else {
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238 m_idProcess=0;
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239 if(m_bVerbose){
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240 Output(String::SFormat(_T("*** Failed to create process \"%s\" %s\n"),pszCmdline,(LPCTSTR)ErrorString()));
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241 }
84
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242 TRACE(String::SFormat(_T("Failed to create process \"%s\" %s\n"),pszCmdline,(LPCTSTR)ErrorString()));
82
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243 m_nExitCode=GetLastError();
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244 CloseHandle(m_hrPipe);m_hrPipe=INVALID_HANDLE_VALUE;
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245 CloseHandle(m_hwPipe);m_hwPipe=INVALID_HANDLE_VALUE;
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246 }
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247
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248 CloseHandle(hrPipe);
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249 CloseHandle(hwPipe);
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250 CloseHandle(hwPipe2);
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251
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252 return rc;
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253
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254 }
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255
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256 void CSubprocess::ThreadFunc()
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257 {
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258
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259 TRACE(_T("Reading from process %d\n"),m_idProcess);
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260
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261 DWORD dwAvail;
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262
177
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263 DWORD dwExitCode;
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264
82
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265 while (!m_bKillThread && m_pfnContinue(m_pContinuationFuncParam) && ::PeekNamedPipe(m_hrPipe, NULL, 0, 0, &dwAvail, NULL)){
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266 //TRACE(_T("P%d\n"),dwAvail);
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267 if(dwAvail){
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268 dwAvail=MIN(dwAvail,80); // Read a maximum of 80 characters at a time
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269 DWORD dwRead;
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270 char *buf=new char[dwAvail+1];
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271 //TRACE(_T("R%d\n"),dwAvail);
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272 if(!::ReadFile(m_hrPipe, buf, dwAvail, &dwRead, NULL)){
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273 TRACE(_T("ReadFile returns false\n"));
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274 delete [] buf;
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275 break;
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276 }
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277 buf[dwRead]='\0';
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278 Output(String::CStrToUnicodeStr(buf));
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279 delete [] buf;
177
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280 }
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281 else if (!ProcessAlive())
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282 {
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283 TRACE(_T("m_bThreadTerminated=%d\n"),m_bThreadTerminated);
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284 break;
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285 }
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286 // Fix for hanging in an endless loop under Windows ME, by Bill Diehls <billabloke@yahoo.com>
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287 else if (::GetExitCodeProcess(m_hProcess, &dwExitCode) && dwExitCode!=STILL_ACTIVE)
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diff changeset
288 {
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jlarmour
parents: 84
diff changeset
289 break;
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jlarmour
parents: 84
diff changeset
290 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 84
diff changeset
291 else
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 84
diff changeset
292 {
82
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diff changeset
293 CeCosThreadUtils::Sleep(250);
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jlarmour
parents:
diff changeset
294 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
295 }
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jlarmour
parents:
diff changeset
296
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jlarmour
parents:
diff changeset
297 ::GetExitCodeProcess(m_hProcess, &dwExitCode);
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diff changeset
298 m_nExitCode=dwExitCode;
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jlarmour
parents:
diff changeset
299
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jlarmour
parents:
diff changeset
300 #ifdef _DEBUG
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jlarmour
parents:
diff changeset
301 String str;
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jlarmour
parents:
diff changeset
302 switch(dwExitCode){
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jlarmour
parents:
diff changeset
303 case STILL_ACTIVE:
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jlarmour
parents:
diff changeset
304 str=_T("still alive");
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jlarmour
parents:
diff changeset
305 if(m_bKillThread){
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jlarmour
parents:
diff changeset
306 str+=_T(" - requested to stop reading");
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jlarmour
parents:
diff changeset
307 }
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jlarmour
parents:
diff changeset
308 break;
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jlarmour
parents:
diff changeset
309 case PROCESS_KILL_EXIT_CODE:
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jlarmour
parents:
diff changeset
310 str=_T("killed");
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jlarmour
parents:
diff changeset
311 break;
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jlarmour
parents:
diff changeset
312 default:
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jlarmour
parents:
diff changeset
313 str.Format(_T("terminated rc=%d"),dwExitCode);
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jlarmour
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diff changeset
314 break;
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jlarmour
parents:
diff changeset
315 }
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316 TRACE(_T("Finished reading from process %d (%s)\n"),m_idProcess,(LPCTSTR)str);
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jlarmour
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diff changeset
317 #endif
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jlarmour
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318
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319 CloseHandle(m_hrPipe);m_hrPipe=INVALID_HANDLE_VALUE;
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320 CloseHandle(m_hwPipe);m_hwPipe=INVALID_HANDLE_VALUE;
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jlarmour
parents:
diff changeset
321
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jlarmour
parents:
diff changeset
322 if(m_bAutoDelete){
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323 m_bThreadTerminated=true; // or else the dtor will block
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diff changeset
324 delete this;
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jlarmour
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diff changeset
325 }
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jlarmour
parents:
diff changeset
326 }
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jlarmour
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diff changeset
327
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jlarmour
parents:
diff changeset
328 #else // UNIX
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jlarmour
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diff changeset
329
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jlarmour
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diff changeset
330 bool CSubprocess::CreateProcess(LPCTSTR pszCmdline)
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diff changeset
331 {
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diff changeset
332 m_idProcess=0;
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diff changeset
333 int fdchild=-1; // the file descriptor for the child (slave) half of the pseudo-tty pair
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diff changeset
334
2094
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
335 // Try the Unix98 scheme to get a pseudo-tty pair
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
336 String strMasterTty("/dev/ptmx"), strChildTty;
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
337 m_tty=open(strMasterTty, O_RDWR | O_NOCTTY);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
338 if (-1!=m_tty) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
339 if ((0 == grantpt(m_tty)) && (0 == unlockpt(m_tty))) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
340 strChildTty = ptsname(m_tty);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
341 if (!strChildTty.empty()) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
342 fdchild = open(strChildTty, O_RDWR);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
343 }
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
344 }
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
345 if (-1==fdchild) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
346 close(m_tty);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
347 m_tty=fdchild=-1;
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
348 } else {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
349 VTRACE("opened %s - fd=%d\n",(LPCTSTR)strMasterTty,m_tty);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
350 }
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
351 }
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
352
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
353 if (-1==m_tty) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
354 // Try the BSD scheme to get a free /dev/ptyp0 (master) and /dev/ttyp0 (slave) tty pair
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
355 for(unsigned int c=0;c<64;c++){
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
356 strMasterTty.Format("/dev/pty%c%x",'p'+c/16,c%16);
82
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jlarmour
parents:
diff changeset
357
2094
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
358 m_tty=open(strMasterTty, O_RDWR | O_NOCTTY);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
359 if (-1!=m_tty) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
360 strChildTty.Format("/dev/tty%c%x",'p'+c/16,c%16);
82
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jlarmour
parents:
diff changeset
361
2094
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
362 fdchild = open(strChildTty, O_RDWR);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
363 if (-1==fdchild) {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
364 close(m_tty);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
365 m_tty=fdchild=-1;
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
366 } else {
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
367 VTRACE("opened %s - fd=%d\n",(LPCTSTR)strMasterTty,m_tty);
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
368 break;
a22e535e2a4c * common/Subprocess.cpp (CSubprocess::CreateProcess): Try the Unix98 PTY
jld
parents: 177
diff changeset
369 }
82
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jlarmour
parents:
diff changeset
370 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
371 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
372 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
373
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
374 if(-1==m_tty){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
375 ERROR(_T("Failed to get a pty\n"));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
376 return false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
377 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
378
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
379 TRACE(_T("Master pty %s (fd %d) slave pty %s (fd %d)\n"),(LPCTSTR)strMasterTty,m_tty,(LPCTSTR)strChildTty,fdchild);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
380
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
381 m_idProcess=fork();
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jlarmour
parents:
diff changeset
382
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
383 switch (m_idProcess) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
384 // Fork failed
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
385 case -1:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
386 TRACE(_T("Failed to create process - %s\n"),strerror(errno));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
387 m_idProcess=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
388 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
389 case 0:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
390 // Process is created (we're the child)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
391 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
392 // Close all descriptors except the slave side of the pseudo-terminal
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
393 for (int fd = 0; fd < (int) sysconf(_SC_OPEN_MAX); fd++) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
394 if(fd!=fdchild){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
395 close(fd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
396 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
397 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
398 setsid();
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
399
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
400 dup2(fdchild, 0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
401 dup2(fdchild, 1);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
402 dup2(fdchild, 2);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
403
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
404 close(fdchild);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
405
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
406 if(!m_strDir.empty()){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
407 if(0!=chdir(m_strDir)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
408 if(m_bVerbose){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
409 fprintf(stderr,_T("*** Failed to change directory to %s\n"),(LPCTSTR)m_strDir);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
410 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
411 exit (5);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
412 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
413 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
414 if(m_bVerbose){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
415 fprintf(stderr,_T("*** Process %d created \"%s\"\n"),m_idProcess,pszCmdline);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
416 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
417
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
418 StringArray ar;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
419 int argc=String(pszCmdline).Chop(ar,_TCHAR(' '),true);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
420 TCHAR **argv=new TCHAR *[1+argc];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
421 for(int i=0;i<argc;i++){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
422 argv[i]=new TCHAR[1+strlen(ar[i])];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
423 strcpy(argv[i],ar[i]);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
424 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
425 argv[argc]=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
426 if(!m_strPath.empty()){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
427 _tputenv(String::SFormat(_T("PATH=%s"),(LPCTSTR)m_strPath));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
428 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
429 _texecvp(argv[0], argv);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
430 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
431
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
432 fprintf(stderr,"exec error - %s\n",strerror(errno));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
433 exit(4);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
434
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
435 default:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
436 // Process is created (we're the parent)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
437 TRACE(_T("Closing fd %d\n"),fdchild);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
438 close(fdchild);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
439 TRACE(_T("Forked to create process %s - process id <%d>\n"), pszCmdline, m_idProcess);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
440 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
441 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
442 return 0!=m_idProcess;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
443 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
444
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
445 void CSubprocess::ThreadFunc()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
446 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
447 if(!CreateProcess(m_strCmd)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
448 ERROR(_T("Failed to create process for %s\n"),(LPCTSTR)m_strCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
449 } else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
450 fcntl(m_tty,F_SETFL,O_NONBLOCK);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
451 int rc;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
452 do {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
453 TCHAR buf[4096];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
454 rc=read(m_tty, buf, sizeof(buf)-1);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
455 if(rc>=0){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
456 buf[rc]='\0';
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
457 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
458 switch(rc){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
459 case -1:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
460 if(EAGAIN==errno){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
461 CeCosThreadUtils::Sleep(250);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
462 } else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
463 goto Done;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
464 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
465 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
466 case 0:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
467 goto Done;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
468 continue;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
469 default:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
470 buf[rc]=_TCHAR('\0');
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
471 Output(String::CStrToUnicodeStr(buf));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
472 continue;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
473 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
474 } while(!m_bKillThread && m_pfnContinue(m_pContinuationFuncParam));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
475 Done:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
476 TRACE(_T("Closing fd %d\n"),m_tty);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
477 close (m_tty);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
478
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
479 switch(waitpid(m_idProcess,&m_nExitCode,WNOHANG));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
480 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
481
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
482 if(m_bAutoDelete){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
483 delete this;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
484 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
485 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
486 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
487
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
488 void CSubprocess::Output (LPCTSTR psz)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
489 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
490 m_pfnLogfunc(m_pLogparam,psz);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
491 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
492
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
493 void CSubprocess::Send(LPCTSTR str)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
494 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
495 char *psz=String(str).GetCString();
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
496 int nToWrite=strlen(psz);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
497 const char *c=psz;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
498 do {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
499 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
500 DWORD dwWritten;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
501 if(!::WriteFile(m_hwPipe,psz,nToWrite,&dwWritten,0)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
502 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
503 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
504 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
505 int dwWritten = write(m_tty, c, nToWrite);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
506 if(-1==dwWritten){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
507 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
508 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
509 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
510 nToWrite-=(int)dwWritten;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
511 c+=(int)dwWritten;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
512 } while (nToWrite>0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
513 //::FlushFileBuffers(m_hwPipe);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
514 delete [] psz;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
515 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
516
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
517 bool CSubprocess::Kill(bool bRecurse)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
518 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
519 TRACE(_T("CSubprocess::Kill pid %d recurse=%d\n"),m_idProcess,bRecurse);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
520 PInfoArray arPinfo;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
521 bool rc=false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
522 if(m_idProcess && -1!=m_idProcess){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
523 // Start of with the easy one:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
524 if(bRecurse) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
525 // Need to gather this information before we orphan our grandchildren:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
526 PSExtract(arPinfo);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
527 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
528
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
529 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
530
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
531 if(m_hProcess){
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
532 TRACE(_T("Terminate process %s\n"),(LPCTSTR)Name(m_idProcess));
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
533 rc=(TRUE==::TerminateProcess(m_hProcess,PROCESS_KILL_EXIT_CODE));
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
534 // dtor's (or subsequent Run's) responsibility to close the handle
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
535 }
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
536
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
537 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
538 rc=(0==kill(m_idProcess,SIGTERM));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
539 int status;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
540 waitpid(m_idProcess,&status,WNOHANG);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
541 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
542
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
543 if(bRecurse) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
544 // kill process *and* its children
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
545 // FIXME: needs to be top-down
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
546 for(int i=0;i<(signed)arPinfo.size();i++){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
547 if(arPinfo[i].IsChildOf(m_idProcess)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
548
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
549 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
550 // begin hack
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
551 const String strName(Name(arPinfo[i].PID));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
552 if(_tcsstr(strName,_T("eCosTest")) || _tcsstr(strName,_T("cmd.EXE")) || _tcsstr(strName,_T("CMD.EXE")) || arPinfo[i].PID==(signed)GetCurrentProcessId()){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
553 continue;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
554 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
555 // end hack
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
556 HANDLE hProcess=::OpenProcess(PROCESS_TERMINATE,false,arPinfo[i].PID);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
557 if(hProcess){
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
558 TRACE(_T("Terminate process %s\n"),(LPCTSTR)Name(arPinfo[i].PID));
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
559 rc&=(TRUE==::TerminateProcess(hProcess,PROCESS_KILL_EXIT_CODE));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
560 CloseHandle(hProcess);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
561 } else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
562 rc=false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
563 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
564 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
565 rc&=(0==kill(arPinfo[i].PID,SIGTERM));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
566 int status;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
567 waitpid(arPinfo[i].PID,&status,WNOHANG);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
568 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
569 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
570 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
571 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
572 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
573 return rc;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
574 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
575
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
576 Time CSubprocess::CpuTime(bool bRecurse) const
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
577 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
578 Time t=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
579 // kill process *and* its children
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
580 // FIXME: needs to be top-down
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
581
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
582 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
583 __int64 ftCreation,ftExit,ftKernel,ftUser;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
584 if(m_hProcess && ::GetProcessTimes (m_hProcess,(FILETIME *)&ftCreation,(FILETIME *)&ftExit,(FILETIME *)&ftKernel,(FILETIME *)&ftUser)){
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parents:
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585 t+=Time((ftKernel+ftUser)/10000);
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jlarmour
parents:
diff changeset
586 }
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parents:
diff changeset
587
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jlarmour
parents:
diff changeset
588 if(bRecurse){
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parents:
diff changeset
589 PInfoArray arPinfo;
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parents:
diff changeset
590 PSExtract(arPinfo);
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parents:
diff changeset
591 if(m_idProcess && -1!=m_idProcess){
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diff changeset
592 for(int i=0;i<(signed)arPinfo.size();i++){
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parents:
diff changeset
593 if(arPinfo[i].IsChildOf(m_idProcess)){
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parents:
diff changeset
594 t+=arPinfo[i].tCpu;
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parents:
diff changeset
595 }
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diff changeset
596 }
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diff changeset
597 }
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diff changeset
598 }
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diff changeset
599 #else
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600 PInfoArray arPinfo;
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601 PSExtract(arPinfo);
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diff changeset
602 for(int i=0;i<(signed)arPinfo.size();i++){
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diff changeset
603 if(arPinfo[i].PID==m_idProcess || arPinfo[i].IsChildOf(m_idProcess)){
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604 t+=arPinfo[i].tCpu;
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parents:
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605 }
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606 }
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diff changeset
607 #endif
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608 return t;
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609 }
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diff changeset
610
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611 #ifdef _WIN32
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612 bool CSubprocess::PSExtract(CSubprocess::PInfoArray &arPinfo)
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613 {
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614 bool rc=false;
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615 arPinfo.clear();
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jlarmour
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diff changeset
616 // If Windows NT:
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diff changeset
617 switch(GetPlatform()) {
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618 case VER_PLATFORM_WIN32_NT:
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diff changeset
619 if(hInstLib1) {
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diff changeset
620
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parents:
diff changeset
621 // Get procedure addresses.
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622 static BOOL (WINAPI *lpfEnumProcesses)( DWORD *, DWORD cb, DWORD * ) = (BOOL(WINAPI *)(DWORD *,DWORD,DWORD*))GetProcAddress( hInstLib1, "EnumProcesses" ) ;
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diff changeset
623 if( lpfEnumProcesses) {
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diff changeset
624
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diff changeset
625 if(hInstLib2) {
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parents:
diff changeset
626
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diff changeset
627 static DWORD (WINAPI *lpfNtQueryInformationProcess)( HANDLE, int, void *, DWORD, LPDWORD ) =
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628 (DWORD(WINAPI *)(HANDLE, int, void *, DWORD, LPDWORD)) GetProcAddress( hInstLib2,"NtQueryInformationProcess" ) ;
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diff changeset
629
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diff changeset
630 if(lpfNtQueryInformationProcess){
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diff changeset
631 DWORD dwMaxPids=256;
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diff changeset
632 DWORD dwPidSize;
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diff changeset
633 DWORD *arPids = NULL ;
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diff changeset
634 do {
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diff changeset
635 delete [] arPids;
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diff changeset
636 arPids=new DWORD[dwMaxPids];
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diff changeset
637 } while(lpfEnumProcesses(arPids, dwMaxPids, &dwPidSize) && dwPidSize/sizeof(DWORD)==dwMaxPids) ;
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diff changeset
638
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jlarmour
parents:
diff changeset
639 if(dwPidSize/sizeof(DWORD)<dwMaxPids){
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diff changeset
640 rc=true;
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diff changeset
641 for( DWORD dwIndex = 0 ; (signed)dwIndex < dwPidSize/sizeof(DWORD); dwIndex++ ) {
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parents:
diff changeset
642 // Regardless of OpenProcess success or failure, we
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jlarmour
parents:
diff changeset
643 // still call the enum func with the ProcID.
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diff changeset
644 DWORD pid=arPids[dwIndex];
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diff changeset
645 HANDLE hProcess=::OpenProcess( PROCESS_QUERY_INFORMATION, FALSE, pid );
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jlarmour
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diff changeset
646 if (hProcess ) {
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parents:
diff changeset
647 struct {
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diff changeset
648 DWORD ExitStatus; // receives process termination status
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diff changeset
649 DWORD PebBaseAddress; // receives process environment block address
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diff changeset
650 DWORD AffinityMask; // receives process affinity mask
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diff changeset
651 DWORD BasePriority; // receives process priority class
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652 ULONG UniqueProcessId; // receives process identifier
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653 ULONG InheritedFromUniqueProcessId; // receives parent process identifier
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diff changeset
654 } pbi;
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655 memset( &pbi, 0, sizeof(pbi));
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diff changeset
656 DWORD retLen;
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diff changeset
657 __int64 ftCreation,ftExit,ftKernel,ftUser;
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diff changeset
658 if(lpfNtQueryInformationProcess(hProcess, 0 /*ProcessBasicInformation*/, &pbi, sizeof(pbi), &retLen)>=0 &&
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diff changeset
659 TRUE==::GetProcessTimes (hProcess,(FILETIME *)&ftCreation,(FILETIME *)&ftExit,(FILETIME *)&ftKernel,(FILETIME *)&ftUser)){
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diff changeset
660 // The second test is important. It excludes orphaned processes who appear to have been adopted by virtue of a new
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diff changeset
661 // process having been created with the same ID as their original parent.
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diff changeset
662 PInfo p;
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663 p.PID=pid;
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diff changeset
664 p.PPID=pbi.InheritedFromUniqueProcessId;
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diff changeset
665 p.tCreation=ftCreation;
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666 p.tCpu=Time((ftKernel+ftUser)/10000);
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667 arPinfo.push_back(p);
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jlarmour
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diff changeset
668 }
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jlarmour
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diff changeset
669
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jlarmour
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diff changeset
670 CloseHandle(hProcess);
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jlarmour
parents:
diff changeset
671
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jlarmour
parents:
diff changeset
672 }
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jlarmour
parents:
diff changeset
673 }
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jlarmour
parents:
diff changeset
674 }
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jlarmour
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diff changeset
675 delete [] arPids;
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jlarmour
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diff changeset
676 }
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jlarmour
parents:
diff changeset
677 }
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jlarmour
parents:
diff changeset
678 }
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jlarmour
parents:
diff changeset
679 }
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jlarmour
parents:
diff changeset
680 break;
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jlarmour
parents:
diff changeset
681 case VER_PLATFORM_WIN32_WINDOWS:
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jlarmour
parents:
diff changeset
682
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jlarmour
parents:
diff changeset
683 if( hInstLib1) {
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jlarmour
parents:
diff changeset
684
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jlarmour
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diff changeset
685 static HANDLE (WINAPI *lpfCreateToolhelp32Snapshot)(DWORD,DWORD)=
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parents:
diff changeset
686 (HANDLE(WINAPI *)(DWORD,DWORD))GetProcAddress( hInstLib1,"CreateToolhelp32Snapshot" ) ;
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jlarmour
parents:
diff changeset
687 static BOOL (WINAPI *lpfProcess32First)(HANDLE,LPPROCESSENTRY32)=
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jlarmour
parents:
diff changeset
688 (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))GetProcAddress( hInstLib1, "Process32First" ) ;
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jlarmour
parents:
diff changeset
689 static BOOL (WINAPI *lpfProcess32Next)(HANDLE,LPPROCESSENTRY32)=
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jlarmour
parents:
diff changeset
690 (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))GetProcAddress( hInstLib1, "Process32Next" ) ;
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jlarmour
parents:
diff changeset
691 if( lpfProcess32Next && lpfProcess32First && lpfCreateToolhelp32Snapshot) {
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jlarmour
parents:
diff changeset
692
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jlarmour
parents:
diff changeset
693 // Get a handle to a Toolhelp snapshot of the systems
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jlarmour
parents:
diff changeset
694 // processes.
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jlarmour
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diff changeset
695 HANDLE hSnapShot = lpfCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) ;
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jlarmour
parents:
diff changeset
696 if(INVALID_HANDLE_VALUE != hSnapShot) {
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jlarmour
parents:
diff changeset
697 // Get the first process' information.
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jlarmour
parents:
diff changeset
698 PROCESSENTRY32 procentry;
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jlarmour
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diff changeset
699 procentry.dwSize = sizeof(PROCESSENTRY32) ;
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jlarmour
parents:
diff changeset
700 if(lpfProcess32First( hSnapShot, &procentry )){
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jlarmour
parents:
diff changeset
701 rc=true;
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jlarmour
parents:
diff changeset
702 do {
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jlarmour
parents:
diff changeset
703 PInfo p;
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jlarmour
parents:
diff changeset
704 p.PID=procentry.th32ProcessID;
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jlarmour
parents:
diff changeset
705 p.PPID=procentry.th32ParentProcessID;
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jlarmour
parents:
diff changeset
706 arPinfo.push_back(p);
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jlarmour
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diff changeset
707 } while(lpfProcess32Next( hSnapShot, &procentry ));
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jlarmour
parents:
diff changeset
708 }
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jlarmour
parents:
diff changeset
709 CloseHandle(hSnapShot);
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jlarmour
parents:
diff changeset
710 }
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jlarmour
parents:
diff changeset
711 }
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jlarmour
parents:
diff changeset
712 }
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jlarmour
parents:
diff changeset
713 break;
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jlarmour
parents:
diff changeset
714 default:
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jlarmour
parents:
diff changeset
715 break;
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jlarmour
parents:
diff changeset
716 }
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jlarmour
parents:
diff changeset
717
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jlarmour
parents:
diff changeset
718 SetParents(arPinfo);
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jlarmour
parents:
diff changeset
719
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jlarmour
parents:
diff changeset
720 if(!rc){
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jlarmour
parents:
diff changeset
721 ERROR(_T("Couldn't get process information!\n"));
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jlarmour
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diff changeset
722 }
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jlarmour
parents:
diff changeset
723 return rc;
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jlarmour
parents:
diff changeset
724 }
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jlarmour
parents:
diff changeset
725
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jlarmour
parents:
diff changeset
726 #else // UNIX
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jlarmour
parents:
diff changeset
727
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jlarmour
parents:
diff changeset
728 bool CSubprocess::PSExtract(CSubprocess::PInfoArray &arPinfo)
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jlarmour
parents:
diff changeset
729 {
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jlarmour
parents:
diff changeset
730 arPinfo.clear();
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
731 int i;
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jlarmour
parents:
diff changeset
732 FILE *f=popen("ps -l",_T("r") MODE_TEXT);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
733 if(f){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
734 char buf[100];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
735 while(fgets(buf,sizeof(buf)-1,f)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
736 TCHAR discard[100];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
737 PInfo p;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
738 // Output is in the form
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
739 // F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
740 //100 S 490 877 876 0 70 0 - 368 wait4 pts/0 00:00:00 bash
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
741 int F,UID,C,PRI,NI,SZ,HH,MM,SS;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
742 bool rc=(15==_stscanf(buf,_T("%d %s %d %d %d %d %d %d %s %d %s %s %d:%d:%d"),&F,discard,&UID,&p.PID,&p.PPID,&C,&PRI,&NI,discard,&SZ,discard,discard,&HH,&MM,&SS));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
743 if(rc){
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jlarmour
parents:
diff changeset
744 p.tCpu=1000*(SS+60*(60*HH+MM));
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jlarmour
parents:
diff changeset
745 arPinfo.push_back(p);
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jlarmour
parents:
diff changeset
746 }
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jlarmour
parents:
diff changeset
747 }
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jlarmour
parents:
diff changeset
748 pclose(f);
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jlarmour
parents:
diff changeset
749 for(i=0;i<(signed)arPinfo.size();i++){
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jlarmour
parents:
diff changeset
750 int pid=arPinfo[i].PPID;
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jlarmour
parents:
diff changeset
751 arPinfo[i].pParent=0;
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jlarmour
parents:
diff changeset
752 for(int j=0;j<(signed)arPinfo.size();j++){
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jlarmour
parents:
diff changeset
753 if(i!=j && arPinfo[j].PID==pid){
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jlarmour
parents:
diff changeset
754 arPinfo[i].pParent=&arPinfo[j];
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jlarmour
parents:
diff changeset
755 break;
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jlarmour
parents:
diff changeset
756 }
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jlarmour
parents:
diff changeset
757 }
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jlarmour
parents:
diff changeset
758 }
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jlarmour
parents:
diff changeset
759 } else {
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jlarmour
parents:
diff changeset
760 ERROR(_T("Failed to run ps -l\n"));
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jlarmour
parents:
diff changeset
761 }
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jlarmour
parents:
diff changeset
762 return true; //FIXME
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jlarmour
parents:
diff changeset
763 }
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parents:
diff changeset
764
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jlarmour
parents:
diff changeset
765 #endif
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jlarmour
parents:
diff changeset
766
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jlarmour
parents:
diff changeset
767 void CSubprocess::SetParents(CSubprocess::PInfoArray &arPinfo)
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jlarmour
parents:
diff changeset
768 {
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jlarmour
parents:
diff changeset
769 int i;
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jlarmour
parents:
diff changeset
770 for(i=0;i<(signed)arPinfo.size();i++){
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jlarmour
parents:
diff changeset
771 PInfo &p=arPinfo[i];
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jlarmour
parents:
diff changeset
772 p.pParent=0;
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jlarmour
parents:
diff changeset
773 for(int j=0;j<(signed)arPinfo.size();j++){
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jlarmour
parents:
diff changeset
774 if(arPinfo[j].PID==p.PPID
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jlarmour
parents:
diff changeset
775 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
776 && arPinfo[j].tCreation<p.tCreation
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
777 #endif
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jlarmour
parents:
diff changeset
778 )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
779 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
780 arPinfo[i].pParent=&arPinfo[j];
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jlarmour
parents:
diff changeset
781 break;
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jlarmour
parents:
diff changeset
782 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
783 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
784 }
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jlarmour
parents:
diff changeset
785
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
786 // Check for circularity
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
787 bool bCircularity=false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
788 for(i=0;i<(signed)arPinfo.size();i++){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
789 PInfo *p=&arPinfo[i];
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jlarmour
parents:
diff changeset
790 for(int j=0;j<(signed)arPinfo.size() && p;j++){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
791 p=p->pParent;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
792 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
793 // If all is well, p should be NULL here. Otherwise we have a loop.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
794 if(p){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
795 // Make sure it can't foul things up:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
796 arPinfo[i].pParent=0;
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jlarmour
parents:
diff changeset
797 bCircularity=true;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
798 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
799 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
800
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
801 if(bCircularity){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
802 ERROR(_T("!!! Circularly linked process list at index %d\n"),i);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
803 for(int k=0;k<(signed)arPinfo.size();k++){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
804 const PInfo &p=arPinfo[k];
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
805 ERROR(_T("%d: %s ppid=%4d\n"),k,(LPCTSTR)Name(p.PID),p.PPID);
82
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jlarmour
parents:
diff changeset
806 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
807 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
808 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
809
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
810 bool CSubprocess::PInfo::IsChildOf(int pid) const
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
811 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
812 for(PInfo *p=pParent;p && p!=this;p=p->pParent) { // guard against circular linkage
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
813 if(p->PID==pid){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
814 return true;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
815 }
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jlarmour
parents:
diff changeset
816 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
817 return false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
818 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
819
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
820 const String CSubprocess::Name(int pid)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
821 {
84
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jlarmour
parents: 82
diff changeset
822 String str(String::SFormat(_T("id=%d"),pid));
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
823 #ifdef _DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
824 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
825 if(VER_PLATFORM_WIN32_NT==GetPlatform() && hInstLib1){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
826 static BOOL (WINAPI *lpfEnumProcessModules)( HANDLE, HMODULE *, DWORD, LPDWORD ) =
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
827 (BOOL(WINAPI *)(HANDLE, HMODULE *, DWORD, LPDWORD)) GetProcAddress( hInstLib1,"EnumProcessModules" ) ;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
828 static DWORD (WINAPI *lpfGetModuleFileNameEx)( HANDLE, HMODULE, LPTSTR, DWORD )=
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
829 (DWORD (WINAPI *)(HANDLE, HMODULE,LPTSTR, DWORD )) GetProcAddress( hInstLib1,"GetModuleFileNameExA" ) ;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
830 if( lpfEnumProcessModules && lpfGetModuleFileNameEx ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
831 HANDLE hProcess=::OpenProcess(PROCESS_ALL_ACCESS,false,pid);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
832 if(hProcess) {
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jlarmour
parents:
diff changeset
833 HMODULE hMod;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
834 DWORD dwSize;
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jlarmour
parents:
diff changeset
835 if(lpfEnumProcessModules( hProcess, &hMod, sizeof(HMODULE), &dwSize ) ){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
836 // Get Full pathname:
84
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jlarmour
parents: 82
diff changeset
837 TCHAR buf[1+MAX_PATH];
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
838 lpfGetModuleFileNameEx( hProcess, hMod, buf, MAX_PATH);
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
839 str+=_TCHAR(' ');
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jlarmour
parents: 82
diff changeset
840 str+=buf;
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
841 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
842 CloseHandle(hProcess);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
843 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
844 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
845 }
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jlarmour
parents:
diff changeset
846 #endif
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jlarmour
parents:
diff changeset
847 #endif
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jlarmour
parents:
diff changeset
848 return str;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
849 }
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jlarmour
parents:
diff changeset
850
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
851 #ifdef _WIN32
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jlarmour
parents:
diff changeset
852 DWORD CSubprocess::GetPlatform()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
853 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
854 OSVERSIONINFO osver;
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jlarmour
parents:
diff changeset
855 osver.dwOSVersionInfoSize = sizeof( osver ) ;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
856 return GetVersionEx( &osver ) ? osver.dwPlatformId : (DWORD)-1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
857 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
858 #endif
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jlarmour
parents:
diff changeset
859
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
860 bool CSubprocess::ProcessAlive()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
861 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
862 return !m_bThreadTerminated;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
863 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
864
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
865 void CSubprocess::CloseInput()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
866 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
867 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
868 CloseHandle(m_hwPipe);m_hwPipe=INVALID_HANDLE_VALUE;
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jlarmour
parents:
diff changeset
869 #else
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jlarmour
parents:
diff changeset
870 close(m_tty);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
871 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
872 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
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873
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874 bool CSubprocess::Wait(Duration dTimeout)
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875 {
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876 return CeCosThreadUtils::WaitFor(m_bThreadTerminated,dTimeout);
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877 }
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878
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879 const String CSubprocess::ErrorString() const
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880 {
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881 #ifdef _WIN32
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882 TCHAR *pszMsg;
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883 FormatMessage(
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884 FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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885 NULL,
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886 m_nErr,
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887 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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888 (LPTSTR)&pszMsg,
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889 0,
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890 NULL
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891 );
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892 return pszMsg;
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893 #else
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894 return strerror(errno);
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895 #endif
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896 }
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897