160 lines
2.6 KiB
C
160 lines
2.6 KiB
C
/*
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* File: cleanup3.c
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*
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* Test Synopsis: Test cleanup handler does not execute (when thread is
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* not canceled).
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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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int count;
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};
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static bag_t threadbag[NUMTHREADS + 1];
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static int pop_count = 0;
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static void
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increment_pop_count(void * arg)
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{
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int * c = (int *) arg;
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(*c)++;
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}
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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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pthread_cleanup_push(increment_pop_count, (void *) &pop_count);
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sched_yield();
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pop_count--;
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pthread_cleanup_pop(0);
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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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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(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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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 != 0);
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if (fail)
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{
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fprintf(stderr, "Thread %d: started %d: result: %d\n",
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i,
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threadbag[i].started,
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result);
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}
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failed = (failed || fail);
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}
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assert(!failed);
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assert(pop_count == -(NUMTHREADS));
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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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