bool thread_is_available(int slave, int master) const;
bool thread_should_stop(int threadID) const;
void wake_sleeping_thread(int threadID);
- void put_threads_to_sleep();
void idle_loop(int threadID, SplitPoint* sp);
template <bool Fake>
if (UseLogFile)
LogFile.close();
- ThreadsMgr.put_threads_to_sleep();
+ // This makes all the threads to go to sleep
+ ThreadsMgr.set_active_threads(1);
return !Quit;
}
// If we are not thinking, wait for a condition to be signaled
// instead of wasting CPU time polling for work.
- while ( threadID >= ActiveThreads
- || threads[threadID].state == THREAD_INITIALIZING)
+ while (threadID >= ActiveThreads || threads[threadID].state == THREAD_INITIALIZING)
{
assert(!sp);
assert(threadID != 0);
threads[threadID].state = THREAD_AVAILABLE;
-#if !defined(_MSC_VER)
lock_grab(&WaitLock);
- if (threadID >= ActiveThreads)
- pthread_cond_wait(&WaitCond[threadID], &WaitLock);
+
+ if (threadID >= ActiveThreads || threads[threadID].state == THREAD_INITIALIZING)
+ cond_wait(&WaitCond[threadID], &WaitLock);
+
lock_release(&WaitLock);
-#else
- WaitForSingleObject(WaitCond[threadID], INFINITE);
-#endif
}
// If this thread has been assigned work, launch a search
lock_init(&WaitLock);
for (i = 0; i < MAX_THREADS; i++)
-#if !defined(_MSC_VER)
- pthread_cond_init(&WaitCond[i], NULL);
-#else
- WaitCond[i] = CreateEvent(0, FALSE, FALSE, 0);
-#endif
+ cond_init(&WaitCond[i]);
// Initialize splitPoints[] locks
for (i = 0; i < MAX_THREADS; i++)
void ThreadsManager::wake_sleeping_thread(int threadID) {
- assert(threadID > 0);
- assert(threads[threadID].state == THREAD_AVAILABLE);
-
-#if !defined(_MSC_VER)
- pthread_mutex_lock(&WaitLock);
- pthread_cond_signal(&WaitCond[threadID]);
- pthread_mutex_unlock(&WaitLock);
-#else
- SetEvent(WaitCond[threadID]);
-#endif
+ lock_grab(&WaitLock);
+ cond_signal(&WaitCond[threadID]);
+ lock_release(&WaitLock);
}
- // put_threads_to_sleep() makes all the threads go to sleep just before
- // to leave think(), at the end of the search. Threads should have already
- // finished the job and should be idle.
-
- void ThreadsManager::put_threads_to_sleep() {
-
- // This makes the threads to go to sleep
- ActiveThreads = 1;
- }
-
/// The RootMoveList class
// RootMoveList c'tor