blob: 82f9ba9681bfb48742acfc81f51224433cbe6a85 [file] [log] [blame]
#include "test.h"
#include <sys/timeb.h>
typedef struct cvthing_t_ cvthing_t;
struct cvthing_t_ {
pthread_cond_t notbusy;
pthread_mutex_t lock;
int shared;
};
static cvthing_t cvthing = {
PTHREAD_COND_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
0
};
enum {
NUMTHREADS = 2
};
void *
mythread(void * arg)
{
assert(pthread_mutex_lock(&cvthing.lock) == 0);
cvthing.shared++;
assert(pthread_mutex_unlock(&cvthing.lock) == 0);
assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);
return (void *) 0;
}
int
main()
{
pthread_t t[NUMTHREADS];
struct timespec abstime = { 0, 0 };
struct _timeb currSysTime;
const DWORD NANOSEC_PER_MILLISEC = 1000000;
cvthing.shared = 0;
assert((t[0] = pthread_self()) != 0);
assert(pthread_gethandle (t[0]) != NULL);
assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);
assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER);
assert(pthread_mutex_lock(&cvthing.lock) == 0);
assert(cvthing.lock != PTHREAD_MUTEX_INITIALIZER);
/* get current system time */
_ftime(&currSysTime);
abstime.tv_sec = currSysTime.time;
abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
abstime.tv_sec += 5;
assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == ETIMEDOUT);
assert(cvthing.notbusy != PTHREAD_COND_INITIALIZER);
assert(pthread_create(&t[1], NULL, mythread, (void *) 1) == 0);
_ftime(&currSysTime);
abstime.tv_sec = currSysTime.time;
abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
abstime.tv_sec += 5;
while (! (cvthing.shared > 0))
assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == 0);
assert(cvthing.shared > 0);
assert(pthread_mutex_unlock(&cvthing.lock) == 0);
assert(pthread_join(t[1], NULL) == 0);
assert(pthread_mutex_destroy(&cvthing.lock) == 0);
assert(cvthing.lock == NULL);
assert(pthread_cond_destroy(&cvthing.notbusy) == 0);
assert(cvthing.notbusy == NULL);
return 0;
}