[완료] pthread_cond_wait 가 wait 되지 않습니다.

#include <pthread.h> 
#include <windows.h>
 
pthread_mutex_t mut;
pthread_cond_t cond;
 
void *f( void * )
{
	pthread_mutex_lock( &mut );
	pthread_cond_wait( &cond, &mut );
 
	pthread_mutex_unlock( &mut );
 
	return 0;
}
 
int main(int argc, char *argv[]) 
{ 
	int res = 0;
	res = pthread_mutex_init(&mut, NULL);
	res = pthread_cond_init(&cond, NULL);	
 
	pthread_t pt;	
	pthread_create(&pt, NULL, f, NULL);
 
	Sleep(2000);
	pthread_cond_signal(&cond);
 
	void *p;
	pthread_join(pt, &p);
 
	pthread_mutex_destroy(&mut); 
	pthread_cond_destroy(&cond);
 
	return 0; 
}