- if( !p_condvar->semaphore )
- {
- PulseEvent( p_condvar->event );
- }
- else if( p_condvar->i_win9x_cv == 1 )
- {
- /* Wait for the gate to be open */
- WaitForSingleObject( p_condvar->event, INFINITE );
-
- if( p_condvar->i_waiting_threads )
- {
- /* Using a semaphore exposes us to a race condition. It is
- * possible for another thread to start waiting on the semaphore
- * just after we signaled it and thus steal the signal.
- * We have to prevent new threads from entering the cond_wait(). */
- ResetEvent( p_condvar->event );
-
- /* A semaphore is used here because Win9x doesn't have
- * SignalObjectAndWait() and thus a race condition exists
- * during the time we release the mutex and the time we start
- * waiting on the event (more precisely, the signal can sometimes
- * be missed by the waiting thread if we use PulseEvent()). */
- ReleaseSemaphore( p_condvar->semaphore, 1, 0 );
- }
- }
- else
- {
- if( p_condvar->i_waiting_threads )
- {
- ReleaseSemaphore( p_condvar->semaphore, 1, 0 );
-
- /* Wait for the last thread to be awakened */
- WaitForSingleObject( p_condvar->event, INFINITE );
- }
- }
- return 0;
-
-#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
- return pthread_cond_signal( p_condvar );
-
-#elif defined( HAVE_CTHREADS_H )
- /* condition_signal() */
- if ( p_condvar->queue.head || p_condvar->implications )
- {
- cond_signal( (condition_t)p_condvar );
- }
- return 0;
-
-#elif defined( HAVE_KERNEL_SCHEDULER_H )
- if( !p_condvar )
- {
- return B_BAD_VALUE;
- }
-
- if( p_condvar->init < 2000 )
- {
- return B_NO_INIT;
- }