46 lines
583 B
C
46 lines
583 B
C
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/*
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* once1.c
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*
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* Create a static pthread_once and test that it calls myfunc once.
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*
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* Depends on API functions:
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* pthread_once()
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* pthread_create()
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*/
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#include "test.h"
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pthread_once_t once = PTHREAD_ONCE_INIT;
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static int washere = 0;
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void
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myfunc(void)
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{
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washere++;
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}
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void *
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mythread(void * arg)
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{
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assert(pthread_once(&once, myfunc) == 0);
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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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pthread_t t1, t2;
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assert(pthread_create(&t1, NULL, mythread, NULL) == 0);
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assert(pthread_create(&t2, NULL, mythread, NULL) == 0);
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Sleep(2000);
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assert(washere == 1);
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return 0;
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}
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