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annotate packages/kernel/current/tests/mutex2.cxx @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //==========================================================================
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2 //
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3 // mutex1.cxx
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4 //
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5 // Mutex test 1
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): nickg
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43 // Contributors: nickg
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44 // Date: 1999-02-19
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45 // Description: Tests mutex release functionality
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46 //####DESCRIPTIONEND####
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47
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48 #include <pkgconf/kernel.h>
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49
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50 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
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51 #include <cyg/kernel/thread.hxx> // Cyg_Thread
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52
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53 #include <cyg/kernel/mutex.hxx>
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54
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55 #include <cyg/infra/testcase.h>
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56
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57 #include <cyg/kernel/sched.inl>
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58 #include <cyg/kernel/thread.inl>
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59
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60 // ------------------------------------------------------------------------
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61
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62 #if !defined(CYGPKG_KERNEL_SMP_SUPPORT)
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63
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64 // ------------------------------------------------------------------------
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65
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66 #define NTHREADS 4
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67 #include "testaux.hxx"
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68 #include "testaux.h"
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69
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70 // ------------------------------------------------------------------------
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71
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72 static Cyg_Mutex m0, m1;
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73 static Cyg_Condition_Variable cvar0( m0 ), cvar1( m0 ), cvar2( m1 );
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74
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75 volatile int thread_state[NTHREADS];
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76
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77 // ------------------------------------------------------------------------
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78 // This thread is meant to get hung up trying to re-acquire m0
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79 // after waiting on the cv.
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80
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81 static void entry0( CYG_ADDRWORD data )
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82 {
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83 CYG_TEST_INFO( "thread0: lock mutex 0");
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84
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85 m0.lock();
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86
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87 CYG_TEST_INFO( "thread0: wait cvar 0");
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88
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89 thread_state[data] = 1;
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90
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91 cvar0.wait();
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92
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93 thread_state[data] = 2;
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94
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95 CYG_TEST_INFO( "thread0: woke from cvar 0");
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96
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97 CYG_TEST_INFO( "thread0: unlock mutex 0");
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98
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99 m0.unlock();
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100
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101 thread_state[data] = 3;
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102
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103 CYG_TEST_INFO( "thread0: exit");
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104
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105 thread[data]->exit();
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106 }
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107
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108 // ------------------------------------------------------------------------
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109 // This thread is meant to claim and keep m0.
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110
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111 static void entry1( CYG_ADDRWORD data )
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112 {
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113 CYG_TEST_INFO( "thread1: lock mutex 0");
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114
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115 m0.lock();
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116
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117 CYG_TEST_INFO( "thread1: lock mutex 1");
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118
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119 thread_state[data] = 1;
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120
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121 m1.lock();
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122
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123 thread_state[data] = 2;
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124
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125 CYG_TEST_INFO( "thread1: wait cvar 2");
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126
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127 cvar2.wait();
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128
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129 thread_state[data] = 3;
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130
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131 CYG_TEST_INFO( "thread1: woke from cvar 2");
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132
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133 CYG_TEST_INFO( "thread1: unlock mutex 1");
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134
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135 m1.unlock();
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136
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137 thread_state[data] = 4;
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138
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139 CYG_TEST_INFO( "thread1: unlock m0");
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140
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141 m0.unlock();
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142
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143 thread_state[data] = 5;
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144
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145 CYG_TEST_INFO( "thread1: exit");
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146
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147 thread[data]->exit();
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148 }
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149
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150 // ------------------------------------------------------------------------
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151 // This thread is meant to get hung trying to acquire m0, and then get
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152 // released out of it by thread3.
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153
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154 static void entry2( CYG_ADDRWORD data )
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155 {
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156 CYG_TEST_INFO( "thread2: lock mutex 0");
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157
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158 thread_state[data] = 1;
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159
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160 if( m0.lock() )
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161 {
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162 thread_state[data] = 2;
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163
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164 CYG_TEST_INFO( "thread2: lock mutex 0 - returned TRUE");
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165 CYG_TEST_FAIL_FINISH(" m0.lock() returned TRUE" );
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166 }
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167 else
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168 {
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169 thread_state[data] = 3;
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170 CYG_TEST_INFO( "thread2: lock mutex 0 - returned FALSE");
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171 }
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172
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173 CYG_TEST_INFO( "thread2: exit");
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174
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175 thread[data]->exit();
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176 }
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177
177
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178 // ------------------------------------------------------------------------
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179
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180 static void entry3( CYG_ADDRWORD data )
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181 {
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182
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183 CHECK( thread_state[0] == 1 );
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184 CHECK( thread_state[1] == 2 );
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185 CHECK( thread_state[2] == 1 );
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186
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187 CYG_TEST_INFO( "thread3: signal cvar 0");
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188
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189 cvar0.signal();
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190
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191 CHECK( thread_state[0] == 1 );
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192 CHECK( thread_state[1] == 2 );
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193 CHECK( thread_state[2] == 1 );
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194
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195 CYG_TEST_INFO( "thread3: release mutex 0");
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196
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197 m0.release();
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198
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199 CHECK( thread_state[0] == 1 );
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200 CHECK( thread_state[1] == 2 );
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201 CHECK( thread_state[2] == 3 );
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202
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203 CYG_TEST_INFO( "thread3: signal cvar 2");
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204
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205 cvar2.signal();
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206
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207 CHECK( thread_state[0] == 3 );
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208 CHECK( thread_state[1] == 5 );
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209 CHECK( thread_state[2] == 3 );
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210
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211 CYG_TEST_PASS_FINISH( "mutex2 finished OK");
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212
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213 CYG_TEST_INFO( "thread3: exit");
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214
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215 thread[data]->exit();
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216 }
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217
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218 // ------------------------------------------------------------------------
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219
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220 void mutex2_main( void )
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221 {
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222 CYG_TEST_INIT();
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223
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224 new_thread(entry0, 0);
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225 new_thread(entry1, 1);
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226 new_thread(entry2, 2);
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227 new_thread(entry3, 3);
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228
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229 // Set priorities from the top to prevent two threads getting
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230 // the same priority: this causes an ASSERT on some configurations.
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231 thread[3]->set_priority( 5 );
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232 thread[2]->set_priority( 4 );
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233 thread[1]->set_priority( 3 );
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234 thread[0]->set_priority( 2 );
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235
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236 Cyg_Scheduler::start();
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237
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238 CYG_TEST_FAIL_FINISH("Not reached");
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239 }
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240
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241 // ------------------------------------------------------------------------
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242
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243 externC void
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244 cyg_start( void )
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245 {
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246 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
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247 cyg_hal_invoke_constructors();
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248 #endif
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249 mutex2_main();
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250 }
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251
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252 // ------------------------------------------------------------------------
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253
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254 #else // CYGPKG_KERNEL_SMP_SUPPORT
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255
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256 // ------------------------------------------------------------------------
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257
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258 externC void
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259 cyg_start( void )
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260 {
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261 CYG_TEST_INIT();
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262 CYG_TEST_NA("Mutex2 test requires: !defined(CYGPKG_KERNEL_SMP_SUPPORT)");
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263
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264 }
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265
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266 // ------------------------------------------------------------------------
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267
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268 #endif // CYGPKG_KERNEL_SMP_SUPPORT
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269
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270 // ------------------------------------------------------------------------
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271 // EOF mutex2.cxx