newlib/winsup/testsuite/winsup.api/pthread/join2.c

42 lines
735 B
C

/*
* Test for pthread_join() returning return value from threads.
*
* Depends on API functions: pthread_create().
*/
#include "test.h"
void *
func(void * arg)
{
Sleep(1000);
return arg;
}
int
main(int argc, char * argv[])
{
pthread_t id[4];
int i;
int result;
/* Create a few threads and then exit. */
for (i = 0; i < 4; i++)
{
assert(pthread_create(&id[i], NULL, func, (void *) i) == 0);
}
for (i = 0; i < 4; i++)
{
assert(pthread_join(id[i], (void **) &result) == 0);
#if ! defined (__MINGW32__) || defined (__MSVCRT__)
/* CRTDLL _beginthread doesn't support return value, so
the assertion is guaranteed to fail. */
assert(result == i);
#endif
}
/* Success. */
return 0;
}