177 lines
3.7 KiB
C
177 lines
3.7 KiB
C
/*
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* File: errno1.c
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*
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright(C) 1998 John E. Bossom
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* Copyright(C) 1999,2005 Pthreads-win32 contributors
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*
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* Contact Email: rpj@callisto.canberra.edu.au
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*
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* The current list of contributors is contained
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* in the file CONTRIBUTORS included with the source
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* code distribution. The list can also be seen at the
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* following World Wide Web location:
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* http://sources.redhat.com/pthreads-win32/contributors.html
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING.LIB;
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* if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* --------------------------------------------------------------------------
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*
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* Test Synopsis: Test thread-safety of errno
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* -
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*
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* Test Method (Validation or Falsification):
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* - Validation
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*
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* Requirements Tested:
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* -
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*
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* Features Tested:
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* -
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*
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* Cases Tested:
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* -
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*
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* Description:
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* -
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*
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* Environment:
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* -
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*
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* Input:
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* - None.
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*
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* Output:
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* - File name, Line number, and failed expression on failure.
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* - No output on success.
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*
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* Assumptions:
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* -
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*
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* Pass Criteria:
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* - Process returns zero exit status.
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*
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* Fail Criteria:
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* - Process returns non-zero exit status.
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*/
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#include "test.h"
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/*
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* Create NUMTHREADS threads in addition to the Main thread.
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*/
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enum {
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NUMTHREADS = 3
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};
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typedef struct bag_t_ bag_t;
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struct bag_t_ {
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int threadnum;
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int started;
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/* Add more per-thread state variables here */
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};
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static bag_t threadbag[NUMTHREADS + 1];
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pthread_mutex_t stop_here = PTHREAD_MUTEX_INITIALIZER;
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void *
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mythread(void * arg)
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{
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bag_t * bag = (bag_t *) arg;
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assert(bag == &threadbag[bag->threadnum]);
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assert(bag->started == 0);
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bag->started = 1;
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errno = bag->threadnum;
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Sleep(1000);
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pthread_mutex_lock(&stop_here);
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assert(errno == bag->threadnum);
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pthread_mutex_unlock(&stop_here);
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Sleep(1000);
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return 0;
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}
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int
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main()
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{
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int failed = 0;
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int i;
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pthread_t t[NUMTHREADS + 1];
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pthread_mutex_lock(&stop_here);
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errno = 0;
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assert((t[0] = pthread_self()).p != NULL);
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for (i = 1; i <= NUMTHREADS; i++)
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{
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threadbag[i].started = 0;
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threadbag[i].threadnum = i;
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assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
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}
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/*
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* Code to control or munipulate child threads should probably go here.
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*/
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Sleep(2000);
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pthread_mutex_unlock(&stop_here);
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/*
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* Give threads time to run.
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*/
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Sleep(NUMTHREADS * 1000);
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/*
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* Standard check that all threads started.
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*/
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for (i = 1; i <= NUMTHREADS; i++)
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{
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failed = !threadbag[i].started;
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if (failed)
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{
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fprintf(stderr, "Thread %d: started %d\n", i, threadbag[i].started);
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}
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}
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assert(!failed);
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/*
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* Check any results here. Set "failed" and only print ouput on failure.
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*/
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for (i = 1; i <= NUMTHREADS; i++)
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{
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/* ... */
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}
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assert(!failed);
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/*
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* Success.
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*/
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return 0;
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}
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