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improve locks

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This commit is contained in:
gbeauche 2006-05-01 13:13:18 +00:00
parent f853ce6c5b
commit daa0af4da6
1 changed files with 6 additions and 2 deletions
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8
BasiliskII/src/Unix/timer_unix.cpp
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@ -333,16 +333,19 @@ void idle_wait(void)
pthread_mutex_unlock(&idle_lock);
#else
#ifdef IDLE_USES_SEMAPHORE
LOCK_IDLE;
if (idle_sem_ok < 0)
idle_sem_ok = (sem_init(&idle_sem, 0, 0) == 0);
if (idle_sem_ok > 0) {
LOCK_IDLE;
idle_sem_ok++;
UNLOCK_IDLE;
sem_wait(&idle_sem);
return;
}
UNLOCK_IDLE;
#endif
// Fallback: sleep 10 ms
Delay_usec(10000);
#endif
}
@ -358,13 +361,14 @@ void idle_resume(void)
pthread_cond_signal(&idle_cond);
#else
#ifdef IDLE_USES_SEMAPHORE
LOCK_IDLE;
if (idle_sem_ok > 1) {
LOCK_IDLE;
idle_sem_ok--;
UNLOCK_IDLE;
sem_post(&idle_sem);
return;
}
UNLOCK_IDLE;
#endif
#endif
}