X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fthread.cpp;h=ac0be89fdcaee7766bbe8a3ede5765f90d7c691f;hb=b69d9ee3f720ba04bbc22eb24203123f4b79707f;hp=6044d0aa0df5777bdc0f89d72ccc6999d5caf662;hpb=7d5b8fcf7724a66f191cae45d858a1b3d63c2bce;p=stockfish diff --git a/src/thread.cpp b/src/thread.cpp index 6044d0aa..ac0be89f 100644 --- a/src/thread.cpp +++ b/src/thread.cpp @@ -27,7 +27,7 @@ ThreadsManager Threads; // Global object definition namespace { extern "C" { // start_routine() is the C function which is called when a new thread - // is launched. It simply calls idle_loop() of the supplied threadID. + // is launched. It simply calls idle_loop() of the supplied thread. // There are two versions of this function; one for POSIX threads and // one for Windows threads. @@ -63,9 +63,8 @@ void Thread::wake_up() { } -// cutoff_occurred() checks whether a beta cutoff has occurred in -// the thread's currently active split point, or in some ancestor of -// the current split point. +// cutoff_occurred() checks whether a beta cutoff has occurred in the current +// active split point, or in some ancestor of the split point. bool Thread::cutoff_occurred() const { @@ -148,11 +147,6 @@ void ThreadsManager::set_size(int cnt) { void ThreadsManager::init() { - // Threads will go to sleep as soon as created, only main thread is kept alive - set_size(1); - threads[0].state = Thread::SEARCHING; - threads[0].threadID = 0; - // Initialize threads lock, used when allocating slaves during splitting lock_init(&threadsLock); @@ -166,7 +160,13 @@ void ThreadsManager::init() { lock_init(&(threads[i].splitPoints[j].lock)); } - // Create and startup all the threads but the main that is already running + // Initialize main thread's associated data + threads[0].state = Thread::SEARCHING; + threads[0].threadID = 0; + set_size(1); // This makes all the threads but the main to go to sleep + + // Create and launch all the threads but the main that is already running, + // threads will go immediately to sleep. for (int i = 1; i < MAX_THREADS; i++) { threads[i].state = Thread::AVAILABLE; @@ -205,7 +205,6 @@ void ThreadsManager::exit() { CloseHandle(threads[i].handle); #else pthread_join(threads[i].handle, NULL); - pthread_detach(threads[i].handle); #endif }