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annotate host/tools/Utils/common/Subprocess.cpp @ 177:4c750ce71ae3

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Merge from eCos master repository on 2001-08-10-19:22:57-BST
author jlarmour
date Fri, 10 Aug 2001 19:27:55 +0000
parents 489eb5632bc3
children a22e535e2a4c
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1 //####COPYRIGHTBEGIN####
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2 //
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3 // ----------------------------------------------------------------------------
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4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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5 //
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6 // This program is part of the eCos host tools.
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7 //
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8 // This program is free software; you can redistribute it and/or modify it
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9 // under the terms of the GNU General Public License as published by the Free
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10 // Software Foundation; either version 2 of the License, or (at your option)
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11 // any later version.
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12 //
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13 // This program is distributed in the hope that it will be useful, but WITHOUT
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14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 // more details.
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17 //
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18 // You should have received a copy of the GNU General Public License along with
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19 // this program; if not, write to the Free Software Foundation, Inc.,
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20 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 //
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22 // ----------------------------------------------------------------------------
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23 //
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24 //####COPYRIGHTEND####
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25 //===========================================================================
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26 //===========================================================================
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27 //#####DESCRIPTIONBEGIN####
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28 //
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29 // Author(s): sdf
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30 // Contact(s): sdf
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31 // Date: 1998/08/11
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32 // Version: 0.01
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33 // Purpose:
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34 // Description: This is the implementation of the class which allows for spawning subprocesses
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35 //
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36 // Requires:
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37 // Provides:
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38 // See also:
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39 // Known bugs:
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40 // Usage:
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //===========================================================================
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45 #include "eCosTrace.h"
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46 #include "Subprocess.h"
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47 #ifdef _WIN32
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48 #include <tlhelp32.h>
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49
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50 HINSTANCE CSubprocess::hInstLib1 = VER_PLATFORM_WIN32_NT==CSubprocess::GetPlatform()?LoadLibrary(_T("PSAPI.DLL")):LoadLibrary(_T("Kernel32.DLL")) ;
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51 HINSTANCE CSubprocess::hInstLib2 = VER_PLATFORM_WIN32_NT==CSubprocess::GetPlatform()?LoadLibrary(_T("NTDLL.DLL")):NULL;
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52
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53 #endif
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54
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55 //#define CloseHandle(x) TRACE(_T("CSubprocess::CloseHandle %x\n"),x);::CloseHandle(x)
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56
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57 const unsigned int CSubprocess::PROCESS_KILL_EXIT_CODE=0xCCFFCCFF;
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58
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59 CSubprocess::CSubprocess(bool bAutoDelete):
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60 m_pfnContinue(DefaultContinuationFunc),
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61 m_pContinuationFuncParam(0),
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62 m_bAutoDelete(bAutoDelete),
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63 m_bThreadTerminated(true),
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64 m_bVerbose(false),
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65 m_nExitCode(-1),
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66 m_idProcess(0),
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67 m_pLogparam(0),
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68 m_pfnLogfunc(0),
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69 m_bKillThread(false)
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70 {
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71 #ifdef _WIN32
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72 m_hProcess=0;
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73 #endif
82
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74 }
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75
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76 CSubprocess::~CSubprocess()
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77 {
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78 Kill();
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79 if(!CeCosThreadUtils::WaitFor(m_bThreadTerminated,1000)){
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80 m_bKillThread=true;
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81 CeCosThreadUtils::WaitFor(m_bThreadTerminated);
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82 }
84
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83 #ifdef _WIN32
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84 if(m_hProcess){
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85 CloseHandle(m_hProcess);
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86 }
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87 #endif
82
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88 }
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89
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90 bool CSubprocess::Run(LogFunc *pfnLog,void * pLogparam, LPCTSTR pszCmd,bool bBlock/*=true*/)
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91 {
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92 bool rc;
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93 if(!m_bThreadTerminated){
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94 rc=false;
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95 } else {
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96 m_pfnLogfunc=pfnLog;
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97 m_pLogparam=pLogparam;
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98 #ifdef _WIN32
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99 // UNIX does it from the thread func. WIN32 could too, but it's nice to know at the time
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100 // of calling run whether the process is successfully created.
84
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101 if(m_hProcess){
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102 // Normally done in the dtor
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103 CloseHandle(m_hProcess);
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104 }
82
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105 rc=CreateProcess(pszCmd);
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106 #else
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107 m_strCmd=pszCmd;
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108 rc=true;
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109 #endif
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110 if(rc){
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111 m_bKillThread=false;
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112 if(bBlock){
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113 // When using RunThread, the manipulation of this Boolean is taken care of.
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114 // Here we must do it ourselves.
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115 m_bThreadTerminated=false;
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116 ThreadFunc();
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117 m_bThreadTerminated=true;
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118 } else {
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119 CeCosThreadUtils::RunThread(SThreadFunc,this,&m_bThreadTerminated,String::SFormat(_T("subprocess %d read"),m_idProcess));
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120 }
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121 }
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122 }
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123 return rc;
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124 }
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125
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126 #ifdef _WIN32
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127 bool CSubprocess::CreateProcess(LPCTSTR pszCmdline)
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128 {
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129
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130 STARTUPINFO si; // For CreateProcess call
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131 HANDLE hrPipe,hwPipe,hwPipe2,m_hrPipeTemp,m_hwPipeTemp;
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132 // Create the anonymous pipe
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133
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134 SECURITY_ATTRIBUTES saPipe; // Security for anonymous pipe
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135 saPipe.nLength = sizeof(SECURITY_ATTRIBUTES);
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136 saPipe.lpSecurityDescriptor = NULL;
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137 saPipe.bInheritHandle = true;
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138
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139 ::CreatePipe(&m_hrPipeTemp,&hwPipe,&saPipe,10240);
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140
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141 // In most cases you can get away with using the same anonymous
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142 // pipe write handle for both the child's standard output and
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143 // standard error, but this may cause problems if the child app
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144 // explicitly closes one of its standard output or error handles. If
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145 // that happens, the anonymous pipe will close, since the child's
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146 // standard output and error handles are really the same handle. The
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147 // child won't be able to write to the other write handle since the
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148 // pipe is now gone, and parent reads from the pipe will return
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149 // ERROR_BROKEN_PIPE and child output will be lost. To solve this
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150 // problem, simply duplicate the write end of the pipe to create
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151 // another distinct, separate handle to the write end of the pipe.
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152 // One pipe write handle will serve as standard out, the other as
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153 // standard error. Now *both* write handles must be closed before the
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154 // write end of the pipe actually closes.
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155
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156 ::DuplicateHandle(::GetCurrentProcess(), // Source process
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157 hwPipe, // Handle to duplicate
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158 ::GetCurrentProcess(), // Destination process
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159 &hwPipe2, // New handle, used as stderr by child
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160 0, // New access flags - ignored since DUPLICATE_SAME_ACCESS
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161 true, // It's inheritable
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162 DUPLICATE_SAME_ACCESS);
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163
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164 ::CreatePipe(&hrPipe,&m_hwPipeTemp,&saPipe,10240);
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165
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166
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167 // Create new output read handle and the input write handles, setting
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168 // the Properties to FALSE. Otherwise, the child inherits the
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169 // properties and, as a result, non-closeable handles to the pipes
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170 // are created.
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171 DuplicateHandle(GetCurrentProcess(),m_hrPipeTemp,
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172 GetCurrentProcess(),
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173 &m_hrPipe, // Address of new handle.
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174 0,FALSE, // Make it uninheritable.
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175 DUPLICATE_SAME_ACCESS);
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176
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177 DuplicateHandle(GetCurrentProcess(),m_hwPipeTemp,
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178 GetCurrentProcess(),
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179 &m_hwPipe, // Address of new handle.
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180 0,FALSE, // Make it uninheritable.
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181 DUPLICATE_SAME_ACCESS);
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182
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183 // Close inheritable copies of the handles we do not want to be inherited:
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184 CloseHandle(m_hrPipeTemp);
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185 CloseHandle(m_hwPipeTemp);
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186
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187
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188 memset(&si, 0, sizeof(si));
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189 si.cb = sizeof(si);
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190
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191 si.hStdOutput = hwPipe;
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192 si.hStdError = hwPipe2;
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193 si.hStdInput = hrPipe;
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194 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
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195 si.wShowWindow = SW_SHOW;
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196
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197 LPCTSTR pszDir;
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198 if(m_strDir.empty()){
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199 pszDir=NULL; // current directory
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200 } else {
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201 pszDir=m_strDir;
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202 }
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203
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204 PROCESS_INFORMATION pi;
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205 String strCmd(pszCmdline);
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206
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207 String strOrigpath;
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208 if(!m_strPath.empty()){
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209 int nSize=GetEnvironmentVariable(_T("PATH"), NULL, 0);
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210 if(nSize>0){
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211 GetEnvironmentVariable(_T("PATH"),strOrigpath.GetBuffer(nSize),nSize);
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212 strOrigpath.ReleaseBuffer();
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213 SetEnvironmentVariable(_T("PATH"),m_strPath);
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214 }
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215 }
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216
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217 bool rc=(TRUE==::CreateProcess(NULL,strCmd.GetBuffer(),NULL,NULL,true,DETACHED_PROCESS|CREATE_NEW_PROCESS_GROUP,NULL,pszDir,&si,&pi));
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218
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219 if(!m_strPath.empty()){
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220 SetEnvironmentVariable(_T("PATH"),strOrigpath);
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221 }
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222
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223 m_nErr=GetLastError();
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224
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225 strCmd.ReleaseBuffer();
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226
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227 if(rc){
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228 m_idProcess=pi.dwProcessId;
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229 m_hProcess=pi.hProcess;
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230 if(m_bVerbose){
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231 Output(String::SFormat(_T("*** Process %d created \"%s\"\n"),m_idProcess,pszCmdline));
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232 }
84
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233 TRACE(String::SFormat(_T("Process %d created \"%s\"\n"),m_idProcess,pszCmdline));
82
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234 m_nExitCode=STILL_ACTIVE;
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235 CloseHandle(pi.hThread);
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236 } else {
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237 m_idProcess=0;
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238 if(m_bVerbose){
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239 Output(String::SFormat(_T("*** Failed to create process \"%s\" %s\n"),pszCmdline,(LPCTSTR)ErrorString()));
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240 }
84
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241 TRACE(String::SFormat(_T("Failed to create process \"%s\" %s\n"),pszCmdline,(LPCTSTR)ErrorString()));
82
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242 m_nExitCode=GetLastError();
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243 CloseHandle(m_hrPipe);m_hrPipe=INVALID_HANDLE_VALUE;
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244 CloseHandle(m_hwPipe);m_hwPipe=INVALID_HANDLE_VALUE;
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245 }
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246
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247 CloseHandle(hrPipe);
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248 CloseHandle(hwPipe);
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249 CloseHandle(hwPipe2);
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250
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251 return rc;
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252
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253 }
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254
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255 void CSubprocess::ThreadFunc()
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256 {
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257
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258 TRACE(_T("Reading from process %d\n"),m_idProcess);
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259
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260 DWORD dwAvail;
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261
177
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262 DWORD dwExitCode;
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263
82
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264 while (!m_bKillThread && m_pfnContinue(m_pContinuationFuncParam) && ::PeekNamedPipe(m_hrPipe, NULL, 0, 0, &dwAvail, NULL)){
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265 //TRACE(_T("P%d\n"),dwAvail);
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266 if(dwAvail){
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267 dwAvail=MIN(dwAvail,80); // Read a maximum of 80 characters at a time
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268 DWORD dwRead;
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269 char *buf=new char[dwAvail+1];
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270 //TRACE(_T("R%d\n"),dwAvail);
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271 if(!::ReadFile(m_hrPipe, buf, dwAvail, &dwRead, NULL)){
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272 TRACE(_T("ReadFile returns false\n"));
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273 delete [] buf;
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274 break;
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275 }
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276 buf[dwRead]='\0';
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277 Output(String::CStrToUnicodeStr(buf));
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278 delete [] buf;
177
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279 }
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280 else if (!ProcessAlive())
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281 {
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282 TRACE(_T("m_bThreadTerminated=%d\n"),m_bThreadTerminated);
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283 break;
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284 }
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285 // Fix for hanging in an endless loop under Windows ME, by Bill Diehls <billabloke@yahoo.com>
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286 else if (::GetExitCodeProcess(m_hProcess, &dwExitCode) && dwExitCode!=STILL_ACTIVE)
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287 {
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288 break;
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289 }
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parents: 84
diff changeset
290 else
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parents: 84
diff changeset
291 {
82
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292 CeCosThreadUtils::Sleep(250);
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diff changeset
293 }
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parents:
diff changeset
294 }
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jlarmour
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diff changeset
295
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296 ::GetExitCodeProcess(m_hProcess, &dwExitCode);
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297 m_nExitCode=dwExitCode;
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298
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diff changeset
299 #ifdef _DEBUG
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diff changeset
300 String str;
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diff changeset
301 switch(dwExitCode){
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parents:
diff changeset
302 case STILL_ACTIVE:
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303 str=_T("still alive");
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diff changeset
304 if(m_bKillThread){
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parents:
diff changeset
305 str+=_T(" - requested to stop reading");
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jlarmour
parents:
diff changeset
306 }
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diff changeset
307 break;
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diff changeset
308 case PROCESS_KILL_EXIT_CODE:
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diff changeset
309 str=_T("killed");
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jlarmour
parents:
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310 break;
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311 default:
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jlarmour
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312 str.Format(_T("terminated rc=%d"),dwExitCode);
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313 break;
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314 }
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315 TRACE(_T("Finished reading from process %d (%s)\n"),m_idProcess,(LPCTSTR)str);
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316 #endif
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317
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318 CloseHandle(m_hrPipe);m_hrPipe=INVALID_HANDLE_VALUE;
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319 CloseHandle(m_hwPipe);m_hwPipe=INVALID_HANDLE_VALUE;
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jlarmour
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320
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jlarmour
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diff changeset
321 if(m_bAutoDelete){
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322 m_bThreadTerminated=true; // or else the dtor will block
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diff changeset
323 delete this;
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324 }
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325 }
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326
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jlarmour
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diff changeset
327 #else // UNIX
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jlarmour
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328
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329 bool CSubprocess::CreateProcess(LPCTSTR pszCmdline)
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330 {
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331 m_idProcess=0;
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332 int fdchild=-1; // the file descriptor for the child (slave) half of the pseudo-tty pair
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jlarmour
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333
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334 // Get a free /dev/ptyp0 (master) and /dev/ttyp0 (slave) tty pair
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diff changeset
335 String strMasterTty,strChildTty;
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diff changeset
336 for(unsigned int c=0;c<64;c++){
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diff changeset
337 strMasterTty.Format("/dev/pty%c%x",'p'+c/16,c%16);
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jlarmour
parents:
diff changeset
338
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diff changeset
339 m_tty=open(strMasterTty, O_RDWR | O_NOCTTY);
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parents:
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340 if (-1!=m_tty) {
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parents:
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341 strChildTty.Format("/dev/tty%c%x",'p'+c/16,c%16);
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jlarmour
parents:
diff changeset
342
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343 fdchild = open(strChildTty, O_RDWR);
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344 if (-1==fdchild) {
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345 close(m_tty);
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346 m_tty=fdchild=-1;
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diff changeset
347 } else {
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diff changeset
348 VTRACE("opened %s - fd=%d\n",(LPCTSTR)strMasterTty,m_tty);
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diff changeset
349 break;
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diff changeset
350 }
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351 }
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diff changeset
352 }
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jlarmour
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diff changeset
353
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diff changeset
354 if(-1==m_tty){
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parents:
diff changeset
355 ERROR(_T("Failed to get a pty\n"));
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diff changeset
356 return false;
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jlarmour
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diff changeset
357 }
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diff changeset
358
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jlarmour
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diff changeset
359 TRACE(_T("Master pty %s (fd %d) slave pty %s (fd %d)\n"),(LPCTSTR)strMasterTty,m_tty,(LPCTSTR)strChildTty,fdchild);
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jlarmour
parents:
diff changeset
360
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diff changeset
361 m_idProcess=fork();
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jlarmour
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diff changeset
362
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jlarmour
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diff changeset
363 switch (m_idProcess) {
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jlarmour
parents:
diff changeset
364 // Fork failed
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jlarmour
parents:
diff changeset
365 case -1:
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jlarmour
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diff changeset
366 TRACE(_T("Failed to create process - %s\n"),strerror(errno));
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jlarmour
parents:
diff changeset
367 m_idProcess=0;
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jlarmour
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diff changeset
368 break;
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jlarmour
parents:
diff changeset
369 case 0:
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jlarmour
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diff changeset
370 // Process is created (we're the child)
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jlarmour
parents:
diff changeset
371 {
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jlarmour
parents:
diff changeset
372 // Close all descriptors except the slave side of the pseudo-terminal
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jlarmour
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diff changeset
373 for (int fd = 0; fd < (int) sysconf(_SC_OPEN_MAX); fd++) {
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jlarmour
parents:
diff changeset
374 if(fd!=fdchild){
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jlarmour
parents:
diff changeset
375 close(fd);
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jlarmour
parents:
diff changeset
376 }
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jlarmour
parents:
diff changeset
377 }
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jlarmour
parents:
diff changeset
378 setsid();
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jlarmour
parents:
diff changeset
379
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jlarmour
parents:
diff changeset
380 dup2(fdchild, 0);
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jlarmour
parents:
diff changeset
381 dup2(fdchild, 1);
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jlarmour
parents:
diff changeset
382 dup2(fdchild, 2);
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jlarmour
parents:
diff changeset
383
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jlarmour
parents:
diff changeset
384 close(fdchild);
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jlarmour
parents:
diff changeset
385
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jlarmour
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diff changeset
386 if(!m_strDir.empty()){
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jlarmour
parents:
diff changeset
387 if(0!=chdir(m_strDir)){
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jlarmour
parents:
diff changeset
388 if(m_bVerbose){
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jlarmour
parents:
diff changeset
389 fprintf(stderr,_T("*** Failed to change directory to %s\n"),(LPCTSTR)m_strDir);
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jlarmour
parents:
diff changeset
390 }
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jlarmour
parents:
diff changeset
391 exit (5);
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jlarmour
parents:
diff changeset
392 }
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jlarmour
parents:
diff changeset
393 }
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jlarmour
parents:
diff changeset
394 if(m_bVerbose){
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jlarmour
parents:
diff changeset
395 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
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 StringArray ar;
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jlarmour
parents:
diff changeset
399 int argc=String(pszCmdline).Chop(ar,_TCHAR(' '),true);
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jlarmour
parents:
diff changeset
400 TCHAR **argv=new TCHAR *[1+argc];
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jlarmour
parents:
diff changeset
401 for(int i=0;i<argc;i++){
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jlarmour
parents:
diff changeset
402 argv[i]=new TCHAR[1+strlen(ar[i])];
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jlarmour
parents:
diff changeset
403 strcpy(argv[i],ar[i]);
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jlarmour
parents:
diff changeset
404 }
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jlarmour
parents:
diff changeset
405 argv[argc]=0;
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jlarmour
parents:
diff changeset
406 if(!m_strPath.empty()){
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jlarmour
parents:
diff changeset
407 _tputenv(String::SFormat(_T("PATH=%s"),(LPCTSTR)m_strPath));
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jlarmour
parents:
diff changeset
408 }
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jlarmour
parents:
diff changeset
409 _texecvp(argv[0], argv);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
410 }
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jlarmour
parents:
diff changeset
411
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
412 fprintf(stderr,"exec error - %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
413 exit(4);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
414
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
415 default:
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jlarmour
parents:
diff changeset
416 // Process is created (we're the parent)
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jlarmour
parents:
diff changeset
417 TRACE(_T("Closing fd %d\n"),fdchild);
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jlarmour
parents:
diff changeset
418 close(fdchild);
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jlarmour
parents:
diff changeset
419 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
420 break;
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jlarmour
parents:
diff changeset
421 }
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jlarmour
parents:
diff changeset
422 return 0!=m_idProcess;
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jlarmour
parents:
diff changeset
423 }
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 void CSubprocess::ThreadFunc()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
426 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
427 if(!CreateProcess(m_strCmd)){
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jlarmour
parents:
diff changeset
428 ERROR(_T("Failed to create process for %s\n"),(LPCTSTR)m_strCmd);
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jlarmour
parents:
diff changeset
429 } else {
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jlarmour
parents:
diff changeset
430 fcntl(m_tty,F_SETFL,O_NONBLOCK);
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jlarmour
parents:
diff changeset
431 int rc;
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jlarmour
parents:
diff changeset
432 do {
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jlarmour
parents:
diff changeset
433 TCHAR buf[4096];
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jlarmour
parents:
diff changeset
434 rc=read(m_tty, buf, sizeof(buf)-1);
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jlarmour
parents:
diff changeset
435 if(rc>=0){
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jlarmour
parents:
diff changeset
436 buf[rc]='\0';
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
437 }
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jlarmour
parents:
diff changeset
438 switch(rc){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
439 case -1:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
440 if(EAGAIN==errno){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
441 CeCosThreadUtils::Sleep(250);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
442 } else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
443 goto Done;
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 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
446 case 0:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
447 goto Done;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
448 continue;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
449 default:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
450 buf[rc]=_TCHAR('\0');
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
451 Output(String::CStrToUnicodeStr(buf));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
452 continue;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
453 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
454 } 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
455 Done:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
456 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
457 close (m_tty);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
458
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
459 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
460 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
461
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
462 if(m_bAutoDelete){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
463 delete this;
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 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
466 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
467
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
468 void CSubprocess::Output (LPCTSTR psz)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
469 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
470 m_pfnLogfunc(m_pLogparam,psz);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
471 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
472
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
473 void CSubprocess::Send(LPCTSTR str)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
474 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
475 char *psz=String(str).GetCString();
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
476 int nToWrite=strlen(psz);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
477 const char *c=psz;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
478 do {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
479 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
480 DWORD dwWritten;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
481 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
482 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
483 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
484 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
485 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
486 if(-1==dwWritten){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
487 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
488 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
489 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
490 nToWrite-=(int)dwWritten;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
491 c+=(int)dwWritten;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
492 } while (nToWrite>0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
493 //::FlushFileBuffers(m_hwPipe);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
494 delete [] psz;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
495 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
496
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
497 bool CSubprocess::Kill(bool bRecurse)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
498 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
499 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
500 PInfoArray arPinfo;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
501 bool rc=false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
502 if(m_idProcess && -1!=m_idProcess){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
503 // Start of with the easy one:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
504 if(bRecurse) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
505 // 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
506 PSExtract(arPinfo);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
507 }
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 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
510
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
511 if(m_hProcess){
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
512 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
513 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
514 // 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
515 }
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
516
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
517 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
518 rc=(0==kill(m_idProcess,SIGTERM));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
519 int status;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
520 waitpid(m_idProcess,&status,WNOHANG);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
521 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
522
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
523 if(bRecurse) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
524 // kill process *and* its children
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
525 // FIXME: needs to be top-down
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
526 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
527 if(arPinfo[i].IsChildOf(m_idProcess)){
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 // begin hack
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
531 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
532 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
533 continue;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
534 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
535 // end hack
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
536 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
537 if(hProcess){
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
538 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
539 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
540 CloseHandle(hProcess);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
541 } else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
542 rc=false;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
543 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
544 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
545 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
546 int status;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
547 waitpid(arPinfo[i].PID,&status,WNOHANG);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
548 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
549 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
550 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
551 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
552 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
553 return rc;
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
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
556 Time CSubprocess::CpuTime(bool bRecurse) const
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
557 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
558 Time t=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
559 // kill process *and* its children
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
560 // FIXME: needs to be top-down
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
561
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
562 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
563 __int64 ftCreation,ftExit,ftKernel,ftUser;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
564 if(m_hProcess && ::GetProcessTimes (m_hProcess,(FILETIME *)&ftCreation,(FILETIME *)&ftExit,(FILETIME *)&ftKernel,(FILETIME *)&ftUser)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
565 t+=Time((ftKernel+ftUser)/10000);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
566 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
567
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
568 if(bRecurse){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
569 PInfoArray arPinfo;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
570 PSExtract(arPinfo);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
571 if(m_idProcess && -1!=m_idProcess){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
572 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
573 if(arPinfo[i].IsChildOf(m_idProcess)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
574 t+=arPinfo[i].tCpu;
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 }
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 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
579 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
580 PInfoArray arPinfo;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
581 PSExtract(arPinfo);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
582 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
583 if(arPinfo[i].PID==m_idProcess || arPinfo[i].IsChildOf(m_idProcess)){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
584 t+=arPinfo[i].tCpu;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
585 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
586 }
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parents:
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587 #endif
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parents:
diff changeset
588 return t;
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parents:
diff changeset
589 }
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diff changeset
590
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591 #ifdef _WIN32
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592 bool CSubprocess::PSExtract(CSubprocess::PInfoArray &arPinfo)
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parents:
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593 {
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594 bool rc=false;
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diff changeset
595 arPinfo.clear();
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parents:
diff changeset
596 // If Windows NT:
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parents:
diff changeset
597 switch(GetPlatform()) {
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parents:
diff changeset
598 case VER_PLATFORM_WIN32_NT:
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parents:
diff changeset
599 if(hInstLib1) {
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parents:
diff changeset
600
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parents:
diff changeset
601 // Get procedure addresses.
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602 static BOOL (WINAPI *lpfEnumProcesses)( DWORD *, DWORD cb, DWORD * ) = (BOOL(WINAPI *)(DWORD *,DWORD,DWORD*))GetProcAddress( hInstLib1, "EnumProcesses" ) ;
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603 if( lpfEnumProcesses) {
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diff changeset
604
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parents:
diff changeset
605 if(hInstLib2) {
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parents:
diff changeset
606
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diff changeset
607 static DWORD (WINAPI *lpfNtQueryInformationProcess)( HANDLE, int, void *, DWORD, LPDWORD ) =
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608 (DWORD(WINAPI *)(HANDLE, int, void *, DWORD, LPDWORD)) GetProcAddress( hInstLib2,"NtQueryInformationProcess" ) ;
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609
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parents:
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610 if(lpfNtQueryInformationProcess){
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611 DWORD dwMaxPids=256;
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612 DWORD dwPidSize;
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613 DWORD *arPids = NULL ;
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614 do {
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615 delete [] arPids;
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diff changeset
616 arPids=new DWORD[dwMaxPids];
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617 } while(lpfEnumProcesses(arPids, dwMaxPids, &dwPidSize) && dwPidSize/sizeof(DWORD)==dwMaxPids) ;
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618
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diff changeset
619 if(dwPidSize/sizeof(DWORD)<dwMaxPids){
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620 rc=true;
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621 for( DWORD dwIndex = 0 ; (signed)dwIndex < dwPidSize/sizeof(DWORD); dwIndex++ ) {
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622 // Regardless of OpenProcess success or failure, we
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623 // still call the enum func with the ProcID.
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624 DWORD pid=arPids[dwIndex];
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625 HANDLE hProcess=::OpenProcess( PROCESS_QUERY_INFORMATION, FALSE, pid );
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626 if (hProcess ) {
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diff changeset
627 struct {
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628 DWORD ExitStatus; // receives process termination status
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629 DWORD PebBaseAddress; // receives process environment block address
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630 DWORD AffinityMask; // receives process affinity mask
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631 DWORD BasePriority; // receives process priority class
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632 ULONG UniqueProcessId; // receives process identifier
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633 ULONG InheritedFromUniqueProcessId; // receives parent process identifier
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634 } pbi;
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635 memset( &pbi, 0, sizeof(pbi));
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diff changeset
636 DWORD retLen;
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diff changeset
637 __int64 ftCreation,ftExit,ftKernel,ftUser;
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638 if(lpfNtQueryInformationProcess(hProcess, 0 /*ProcessBasicInformation*/, &pbi, sizeof(pbi), &retLen)>=0 &&
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639 TRUE==::GetProcessTimes (hProcess,(FILETIME *)&ftCreation,(FILETIME *)&ftExit,(FILETIME *)&ftKernel,(FILETIME *)&ftUser)){
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640 // 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
641 // process having been created with the same ID as their original parent.
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diff changeset
642 PInfo p;
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643 p.PID=pid;
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644 p.PPID=pbi.InheritedFromUniqueProcessId;
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645 p.tCreation=ftCreation;
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646 p.tCpu=Time((ftKernel+ftUser)/10000);
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647 arPinfo.push_back(p);
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648 }
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649
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diff changeset
650 CloseHandle(hProcess);
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651
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652 }
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653 }
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654 }
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655 delete [] arPids;
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656 }
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657 }
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diff changeset
658 }
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659 }
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660 break;
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661 case VER_PLATFORM_WIN32_WINDOWS:
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diff changeset
662
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663 if( hInstLib1) {
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664
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665 static HANDLE (WINAPI *lpfCreateToolhelp32Snapshot)(DWORD,DWORD)=
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666 (HANDLE(WINAPI *)(DWORD,DWORD))GetProcAddress( hInstLib1,"CreateToolhelp32Snapshot" ) ;
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667 static BOOL (WINAPI *lpfProcess32First)(HANDLE,LPPROCESSENTRY32)=
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668 (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))GetProcAddress( hInstLib1, "Process32First" ) ;
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diff changeset
669 static BOOL (WINAPI *lpfProcess32Next)(HANDLE,LPPROCESSENTRY32)=
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diff changeset
670 (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))GetProcAddress( hInstLib1, "Process32Next" ) ;
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671 if( lpfProcess32Next && lpfProcess32First && lpfCreateToolhelp32Snapshot) {
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672
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jlarmour
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diff changeset
673 // Get a handle to a Toolhelp snapshot of the systems
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diff changeset
674 // processes.
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675 HANDLE hSnapShot = lpfCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) ;
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676 if(INVALID_HANDLE_VALUE != hSnapShot) {
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jlarmour
parents:
diff changeset
677 // Get the first process' information.
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diff changeset
678 PROCESSENTRY32 procentry;
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679 procentry.dwSize = sizeof(PROCESSENTRY32) ;
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680 if(lpfProcess32First( hSnapShot, &procentry )){
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681 rc=true;
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682 do {
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diff changeset
683 PInfo p;
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684 p.PID=procentry.th32ProcessID;
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685 p.PPID=procentry.th32ParentProcessID;
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686 arPinfo.push_back(p);
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687 } while(lpfProcess32Next( hSnapShot, &procentry ));
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688 }
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689 CloseHandle(hSnapShot);
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parents:
diff changeset
690 }
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parents:
diff changeset
691 }
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parents:
diff changeset
692 }
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diff changeset
693 break;
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parents:
diff changeset
694 default:
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695 break;
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696 }
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parents:
diff changeset
697
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jlarmour
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698 SetParents(arPinfo);
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jlarmour
parents:
diff changeset
699
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diff changeset
700 if(!rc){
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701 ERROR(_T("Couldn't get process information!\n"));
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702 }
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703 return rc;
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704 }
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jlarmour
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705
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jlarmour
parents:
diff changeset
706 #else // UNIX
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jlarmour
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diff changeset
707
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jlarmour
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diff changeset
708 bool CSubprocess::PSExtract(CSubprocess::PInfoArray &arPinfo)
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jlarmour
parents:
diff changeset
709 {
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jlarmour
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diff changeset
710 arPinfo.clear();
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jlarmour
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diff changeset
711 int i;
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712 FILE *f=popen("ps -l",_T("r") MODE_TEXT);
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jlarmour
parents:
diff changeset
713 if(f){
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diff changeset
714 char buf[100];
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jlarmour
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diff changeset
715 while(fgets(buf,sizeof(buf)-1,f)){
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diff changeset
716 TCHAR discard[100];
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diff changeset
717 PInfo p;
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718 // Output is in the form
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jlarmour
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719 // F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD
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720 //100 S 490 877 876 0 70 0 - 368 wait4 pts/0 00:00:00 bash
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721 int F,UID,C,PRI,NI,SZ,HH,MM,SS;
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722 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));
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diff changeset
723 if(rc){
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diff changeset
724 p.tCpu=1000*(SS+60*(60*HH+MM));
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725 arPinfo.push_back(p);
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jlarmour
parents:
diff changeset
726 }
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jlarmour
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diff changeset
727 }
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jlarmour
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diff changeset
728 pclose(f);
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parents:
diff changeset
729 for(i=0;i<(signed)arPinfo.size();i++){
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jlarmour
parents:
diff changeset
730 int pid=arPinfo[i].PPID;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
731 arPinfo[i].pParent=0;
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jlarmour
parents:
diff changeset
732 for(int j=0;j<(signed)arPinfo.size();j++){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
733 if(i!=j && arPinfo[j].PID==pid){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
734 arPinfo[i].pParent=&arPinfo[j];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
735 break;
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jlarmour
parents:
diff changeset
736 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
737 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
738 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
739 } else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
740 ERROR(_T("Failed to run ps -l\n"));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
741 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
742 return true; //FIXME
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
743 }
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jlarmour
parents:
diff changeset
744
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
745 #endif
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jlarmour
parents:
diff changeset
746
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jlarmour
parents:
diff changeset
747 void CSubprocess::SetParents(CSubprocess::PInfoArray &arPinfo)
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jlarmour
parents:
diff changeset
748 {
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jlarmour
parents:
diff changeset
749 int i;
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jlarmour
parents:
diff changeset
750 for(i=0;i<(signed)arPinfo.size();i++){
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jlarmour
parents:
diff changeset
751 PInfo &p=arPinfo[i];
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jlarmour
parents:
diff changeset
752 p.pParent=0;
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jlarmour
parents:
diff changeset
753 for(int j=0;j<(signed)arPinfo.size();j++){
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jlarmour
parents:
diff changeset
754 if(arPinfo[j].PID==p.PPID
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jlarmour
parents:
diff changeset
755 #ifdef _WIN32
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jlarmour
parents:
diff changeset
756 && arPinfo[j].tCreation<p.tCreation
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jlarmour
parents:
diff changeset
757 #endif
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jlarmour
parents:
diff changeset
758 )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
759 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
760 arPinfo[i].pParent=&arPinfo[j];
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jlarmour
parents:
diff changeset
761 break;
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jlarmour
parents:
diff changeset
762 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
763 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
764 }
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jlarmour
parents:
diff changeset
765
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
766 // Check for circularity
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jlarmour
parents:
diff changeset
767 bool bCircularity=false;
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jlarmour
parents:
diff changeset
768 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
769 PInfo *p=&arPinfo[i];
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jlarmour
parents:
diff changeset
770 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
771 p=p->pParent;
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jlarmour
parents:
diff changeset
772 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
773 // 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
774 if(p){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
775 // 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
776 arPinfo[i].pParent=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
777 bCircularity=true;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
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
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
781 if(bCircularity){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
782 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
783 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
784 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
785 ERROR(_T("%d: %s ppid=%4d\n"),k,(LPCTSTR)Name(p.PID),p.PPID);
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
786 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
787 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
788 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
789
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
790 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
791 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
792 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
793 if(p->PID==pid){
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
794 return true;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
795 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
796 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
797 return false;
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 const String CSubprocess::Name(int pid)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
801 {
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
802 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
803 #ifdef _DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
804 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
805 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
806 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
807 (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
808 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
809 (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
810 if( lpfEnumProcessModules && lpfGetModuleFileNameEx ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
811 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
812 if(hProcess) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
813 HMODULE hMod;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
814 DWORD dwSize;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
815 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
816 // Get Full pathname:
84
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
817 TCHAR buf[1+MAX_PATH];
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
818 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
819 str+=_TCHAR(' ');
489eb5632bc3 Merge from eCos master repository on 2000-04-28-18:44:39-BST
jlarmour
parents: 82
diff changeset
820 str+=buf;
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
821 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
822 CloseHandle(hProcess);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
823 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
824 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
825 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
826 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
827 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
828 return str;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
829 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
830
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
831 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
832 DWORD CSubprocess::GetPlatform()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
833 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
834 OSVERSIONINFO osver;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
835 osver.dwOSVersionInfoSize = sizeof( osver ) ;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
836 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
837 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
838 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
839
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
840 bool CSubprocess::ProcessAlive()
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 return !m_bThreadTerminated;
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 void CSubprocess::CloseInput()
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
846 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
847 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
848 CloseHandle(m_hwPipe);m_hwPipe=INVALID_HANDLE_VALUE;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
849 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
850 close(m_tty);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
851 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
852 }
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 bool CSubprocess::Wait(Duration dTimeout)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
855 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
856 return CeCosThreadUtils::WaitFor(m_bThreadTerminated,dTimeout);
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
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
859 const String CSubprocess::ErrorString() const
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
860 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
861 #ifdef _WIN32
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
862 TCHAR *pszMsg;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
863 FormatMessage(
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
864 FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
865 NULL,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
866 m_nErr,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
867 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
868 (LPTSTR)&pszMsg,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
869 0,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
870 NULL
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
871 );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
872 return pszMsg;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
873 #else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
874 return strerror(errno);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
875 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
876 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
877