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https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
Some fixes for the new threading backends
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@@ -25,53 +25,48 @@ namespace love
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namespace thread
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{
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Mutex::Mutex() {
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Mutex::Mutex()
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{
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InitializeCriticalSection(&mutex);
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}
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Mutex::~Mutex() {
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Mutex::~Mutex()
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{
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DeleteCriticalSection(&mutex);
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}
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void Mutex::lock() {
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void Mutex::lock()
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{
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EnterCriticalSection(&mutex);
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}
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void Mutex::unlock() {
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void Mutex::unlock()
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{
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LeaveCriticalSection(&mutex);
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}
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int ThreadBase::thread_runner(void* param) {
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int ThreadBase::thread_runner(void* param)
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{
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ThreadBase* thread = (ThreadBase*)param;
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thread->main();
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return 0;
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}
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ThreadBase::ThreadBase() : running(false) {
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HANDLE thread;
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ThreadBase::ThreadBase()
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: running(false)
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{
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}
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ThreadBase::~ThreadBase() {
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ThreadBase::~ThreadBase()
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{
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if (running) {
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wait();
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}
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}
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bool ThreadBase::start() {
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thread = CreateThread(NULL, 0, run_thread, rd, NULL);
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bool ThreadBase::start()
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{
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thread = CreateThread(NULL, 0, thread_runner, this, NULL);
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if (thread == NULL) {
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return false;
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} else {
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@@ -80,60 +75,76 @@ namespace thread
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}
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}
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void ThreadBase::wait() {
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void ThreadBase::wait()
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{
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WaitForSingleObject(thread, INFINITE);
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CloseHandle(thread);
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running = false;
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}
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void ThreadBase::kill() {
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void ThreadBase::kill()
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{
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TerminateThread(thread, FALSE);
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running = false;
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}
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unsigned int ThreadBase::threadId() {
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unsigned int ThreadBase::threadId()
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{
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return (unsigned int)GetCurrentThreadId();
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}
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Semaphore::Semaphore()
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: Semaphore(0)
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{
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}
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Semaphore::Semaphore(unsigned int initial_value)
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: count(initial_value) {
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: count(initial_value)
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{
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semaphore = CreateSemaphore(NULL, initial_value, 65535, NULL);
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}
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Semaphore::~Semaphore() {
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Semaphore::~Semaphore()
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{
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CloseHandle(semaphore);
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}
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unsigned int Semaphore::value() {
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unsigned int Semaphore::value()
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{
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return count;
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}
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void Semaphore::post() {
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void Semaphore::post()
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{
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InterlockedIncrement(&count);
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if (ReleaseSemaphore(semaphore, 1, NULL) == FALSE) {
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InterlockedDecrement(&count);
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}
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}
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bool Semaphore::wait(int timeout) {
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bool Semaphore::wait(int timeout)
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{
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int result;
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result = WaitForSingleObject(semaphore, timeout < 0 ? INFINITE : timeout);
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if (result == WAIT_OBJECT_0) {
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if (result == WAIT_OBJECT_0)
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{
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InterlockedDecrement(&count);
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return true;
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} else if (result == WAIT_TIMEOUT) {
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}
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else if (result == WAIT_TIMEOUT)
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{
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return false;
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} else {
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}
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else
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{
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// error
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return false;
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}
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}
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bool Semaphore::tryWait() {
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bool Semaphore::tryWait()
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{
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return wait(0);
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}
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@@ -145,40 +156,49 @@ namespace thread
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Conditional::Conditional()
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: waiting(0), signals(0) {
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: waiting(0), signals(0)
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{
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}
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Conditional::~Conditional() {
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Conditional::~Conditional()
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{
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}
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void Conditional::signal() {
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void Conditional::signal()
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{
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mutex.lock();
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if (waiting > signals) {
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if (waiting > signals)
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{
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signals++;
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sem.post();
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mutex.unlock();
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done.wait();
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} else {
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}
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else
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{
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mutex.unlock();
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}
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}
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void Conditional::broadcast() {
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void Conditional::broadcast()
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{
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mutex.lock();
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if (waiting > signals) {
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if (waiting > signals)
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{
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int num = waiting - signals;
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signals = waiting;
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for(int i = 0; i < num; i++) sem.post();
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mutex.unlock();
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for(int i = 0; i < num; i++) done.wait();
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} else {
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}
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else
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{
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mutex.unlock();
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}
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}
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bool Conditional::wait(Mutex* cmutex, int timeout) {
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bool Conditional::wait(Mutex* cmutex, int timeout)
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{
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mutex.lock();
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waiting++;
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mutex.unlock();
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@@ -188,8 +208,10 @@ namespace thread
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mutex.lock();
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if (signals > 0) {
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if (!ret) sem.wait();
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if (signals > 0)
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{
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if (!ret)
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sem.wait();
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done.post();
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signals--;
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}
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@@ -198,5 +220,5 @@ namespace thread
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cmutex->lock();
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}
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} // namespace thread
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} // namespace love
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} // thread
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} // love
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