452e5c7297
* winsup.api/pthread/mutex4.c (main): Ditto. * winsup.api/pthread/mutex5.c: Reflect change in cygwin default mutex type. * winsup.api/pthread/mutex6d.c: Ditto.
182 lines
3.3 KiB
C
182 lines
3.3 KiB
C
/*
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* File: cancel2.c
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*
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* Test Synopsis: Test SEH or C++ cancel exception handling within
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* application exception blocks.
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*
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* Test Method (Validation or Falsification):
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* -
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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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* - have working pthread_create, pthread_self, pthread_mutex_lock/unlock
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* pthread_testcancel, pthread_cancel, pthread_join
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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 = 10
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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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static pthread_mutex_t waitLock = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
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void *
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mythread(void * arg)
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{
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int result = 0;
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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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/* Set to known state and type */
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assert(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) == 0);
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switch (bag->threadnum % 2)
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{
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case 0:
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assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0);
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result = 0;
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break;
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case 1:
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assert(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) == 0);
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result = 1;
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break;
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}
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/* Wait for go from main */
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assert(pthread_mutex_lock(&waitLock) == 0);
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assert(pthread_mutex_unlock(&waitLock) == 0);
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sched_yield();
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for (;;)
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{
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pthread_testcancel();
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}
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return (void *) result;
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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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assert((t[0] = pthread_self()) != NULL);
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assert(pthread_mutex_lock(&waitLock) == 0);
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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(500);
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assert(pthread_mutex_unlock(&waitLock) == 0);
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Sleep(500);
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for (i = 1; i <= NUMTHREADS; i++)
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{
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assert(pthread_cancel(t[i]) == 0);
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}
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/*
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* Give threads time to run.
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*/
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Sleep(NUMTHREADS * 100);
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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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if (!threadbag[i].started)
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{
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failed |= !threadbag[i].started;
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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 output on failure.
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*/
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failed = 0;
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for (i = 1; i <= NUMTHREADS; i++)
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{
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int fail = 0;
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int result = 0;
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assert(pthread_join(t[i], (void **) &result) == 0);
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fail = (result != (int) PTHREAD_CANCELED);
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if (fail)
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{
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fprintf(stderr, "Thread %d: started %d: location %d: cancel type %s\n",
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i,
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threadbag[i].started,
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result,
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((result % 2) == 0) ? "ASYNCHRONOUS" : "DEFERRED");
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}
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failed |= fail;
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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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