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