From: sapier Date: Mon, 2 Dec 2013 21:21:58 +0000 (+0100) Subject: Fix broken async locking in release build X-Git-Tag: 0.4.9~61 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5004f31575c52b59e1fc654dfa08336a692afeee;p=oweals%2Fminetest.git Fix broken async locking in release build --- diff --git a/src/jthread/jthread.h b/src/jthread/jthread.h index 798750ebb..f7bce6f9a 100644 --- a/src/jthread/jthread.h +++ b/src/jthread/jthread.h @@ -50,6 +50,13 @@ public: bool StopRequested(); void *GetReturnValue(); bool IsSameThread(); + + /* + * Wait for thread to finish + * Note: this does not stop a thread you have to do this on your own + * WARNING: never ever call this on a thread not started or already killed! + */ + void Wait(); protected: void ThreadStarted(); private: @@ -67,6 +74,8 @@ private: static void *TheThread(void *param); pthread_t threadid; + + bool started; #endif // WIN32 void *retval; bool running; diff --git a/src/jthread/pthread/jevent.cpp b/src/jthread/pthread/jevent.cpp index 738e74f83..26a6fb05c 100644 --- a/src/jthread/pthread/jevent.cpp +++ b/src/jthread/pthread/jevent.cpp @@ -27,18 +27,28 @@ #include #include "jthread/jevent.h" +#define UNUSED(expr) do { (void)(expr); } while (0) + Event::Event() { - assert(sem_init(&sem, 0, 0) == 0); + int sem_init_retval = sem_init(&sem, 0, 0); + assert(sem_init_retval == 0); + UNUSED(sem_init_retval); } Event::~Event() { - assert(sem_destroy(&sem) == 0); + int sem_destroy_retval = sem_destroy(&sem); + assert(sem_destroy_retval == 0); + UNUSED(sem_destroy_retval); } void Event::wait() { - assert(sem_wait(&sem) == 0); + int sem_wait_retval = sem_wait(&sem); + assert(sem_wait_retval == 0); + UNUSED(sem_wait_retval); } void Event::signal() { - assert(sem_post(&sem) == 0); + int sem_post_retval = sem_post(&sem); + assert(sem_post_retval == 0); + UNUSED(sem_post_retval); } diff --git a/src/jthread/pthread/jmutex.cpp b/src/jthread/pthread/jmutex.cpp index bcc3853d2..0551b9728 100644 --- a/src/jthread/pthread/jmutex.cpp +++ b/src/jthread/pthread/jmutex.cpp @@ -26,25 +26,33 @@ */ #include #include "jthread/jmutex.h" - +#define UNUSED(expr) do { (void)(expr); } while (0) JMutex::JMutex() { - assert(pthread_mutex_init(&mutex,NULL) == 0); + int mutex_init_retval = pthread_mutex_init(&mutex,NULL); + assert( mutex_init_retval == 0 ); + UNUSED(mutex_init_retval); } JMutex::~JMutex() { - assert(pthread_mutex_destroy(&mutex) == 0); + int mutex_dextroy_retval = pthread_mutex_destroy(&mutex); + assert( mutex_dextroy_retval == 0 ); + UNUSED(mutex_dextroy_retval); } int JMutex::Lock() { - assert(pthread_mutex_lock(&mutex) == 0); - return 0; + int mutex_lock_retval = pthread_mutex_lock(&mutex); + assert( mutex_lock_retval == 0 ); + return mutex_lock_retval; + UNUSED(mutex_lock_retval); } int JMutex::Unlock() { - assert(pthread_mutex_unlock(&mutex) == 0); - return 0; + int mutex_unlock_retval = pthread_mutex_unlock(&mutex); + assert( mutex_unlock_retval == 0 ); + return mutex_unlock_retval; + UNUSED(mutex_unlock_retval); } diff --git a/src/jthread/pthread/jsemaphore.cpp b/src/jthread/pthread/jsemaphore.cpp index 31bf39466..962b582f1 100644 --- a/src/jthread/pthread/jsemaphore.cpp +++ b/src/jthread/pthread/jsemaphore.cpp @@ -18,25 +18,35 @@ with this program; if not, write to the Free Software Foundation, Inc., */ #include #include "jthread/jsemaphore.h" - +#define UNUSED(expr) do { (void)(expr); } while (0) JSemaphore::JSemaphore() { - assert(sem_init(&m_semaphore,0,0) == 0); + int sem_init_retval = sem_init(&m_semaphore,0,0); + assert(sem_init_retval == 0); + UNUSED(sem_init_retval); } JSemaphore::~JSemaphore() { - assert(sem_destroy(&m_semaphore) == 0); + int sem_destroy_retval = sem_destroy(&m_semaphore); + assert(sem_destroy_retval == 0); + UNUSED(sem_destroy_retval); } JSemaphore::JSemaphore(int initval) { - assert(sem_init(&m_semaphore,0,initval) == 0); + int sem_init_retval = sem_init(&m_semaphore,0,initval); + assert(sem_init_retval == 0); + UNUSED(sem_init_retval); } void JSemaphore::Post() { - assert(sem_post(&m_semaphore) == 0); + int sem_post_retval = sem_post(&m_semaphore); + assert(sem_post_retval == 0); + UNUSED(sem_post_retval); } void JSemaphore::Wait() { - assert(sem_wait(&m_semaphore) == 0); + int sem_wait_retval = sem_wait(&m_semaphore); + assert(sem_wait_retval == 0); + UNUSED(sem_wait_retval); } int JSemaphore::GetValue() { diff --git a/src/jthread/pthread/jthread.cpp b/src/jthread/pthread/jthread.cpp index e7bf17612..d818b19ed 100644 --- a/src/jthread/pthread/jthread.cpp +++ b/src/jthread/pthread/jthread.cpp @@ -26,15 +26,19 @@ */ #include "jthread/jthread.h" +#include #include #include #include +#define UNUSED(expr) do { (void)(expr); } while (0) + JThread::JThread() { retval = NULL; requeststop = false; running = false; + started = false; } JThread::~JThread() @@ -48,6 +52,20 @@ void JThread::Stop() { runningmutex.Unlock(); } +void JThread::Wait() { + void* status; + runningmutex.Lock(); + if (started) { + runningmutex.Unlock(); + int pthread_join_retval = pthread_join(threadid,&status); + assert(pthread_join_retval == 0); + UNUSED(pthread_join_retval); + runningmutex.Lock(); + started = false; + } + runningmutex.Unlock(); +} + int JThread::Start() { int status; @@ -63,7 +81,7 @@ int JThread::Start() pthread_attr_t attr; pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED); + //pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED); continuemutex.Lock(); status = pthread_create(&threadid,&attr,TheThread,this); @@ -89,6 +107,7 @@ int JThread::Start() runningmutex.Lock(); } + started = true; runningmutex.Unlock(); continuemutex.Unlock(); @@ -100,13 +119,30 @@ int JThread::Start() int JThread::Kill() { + void* status; runningmutex.Lock(); if (!running) { + if (started) { + runningmutex.Unlock(); + int pthread_join_retval = pthread_join(threadid,&status); + assert(pthread_join_retval == 0); + UNUSED(pthread_join_retval); + runningmutex.Lock(); + started = false; + } runningmutex.Unlock(); return ERR_JTHREAD_NOTRUNNING; } pthread_cancel(threadid); + if (started) { + runningmutex.Unlock(); + int pthread_join_retval = pthread_join(threadid,&status); + assert(pthread_join_retval == 0); + UNUSED(pthread_join_retval); + runningmutex.Lock(); + started = false; + } running = false; runningmutex.Unlock(); return 0; diff --git a/src/jthread/win32/jthread.cpp b/src/jthread/win32/jthread.cpp index 3d897822e..0781982e2 100644 --- a/src/jthread/win32/jthread.cpp +++ b/src/jthread/win32/jthread.cpp @@ -26,7 +26,8 @@ */ #include "jthread/jthread.h" - +#include +#define UNUSED(expr) do { (void)(expr); } while (0) #ifndef _WIN32_WCE #include #endif // _WIN32_WCE @@ -49,6 +50,12 @@ void JThread::Stop() { runningmutex.Unlock(); } +void JThread::Wait() { + int WaitForSingleObject_retval = WaitForSingleObject(threadhandle, INFINITE); + assert(WaitForSingleObject_retval == 0); + UNUSED(WaitForSingleObject_retval); +} + int JThread::Start() { runningmutex.Lock(); diff --git a/src/script/lua_api/l_async_events.h b/src/script/lua_api/l_async_events.h index c33f3a962..9d42b07cf 100644 --- a/src/script/lua_api/l_async_events.h +++ b/src/script/lua_api/l_async_events.h @@ -17,23 +17,12 @@ with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#ifndef C_ASYNC_EVENTS_H_ -#define C_ASYNC_EVENTS_H_ +#ifndef L_ASYNC_EVENTS_H_ +#define L_ASYNC_EVENTS_H_ #include #include -#ifndef _WIN32 -#include -#else -#define _WINSOCKAPI_ -#include -static unsigned sleep(unsigned seconds) { - Sleep(seconds * 1000); - return 0; -} -#endif - /******************************************************************************/ /* Includes */ /******************************************************************************/ @@ -93,15 +82,6 @@ public: return worker_thread_wrapper(this); } - /** - * wait for thread to stop - */ - void Wait() { - while(IsRunning()) { - sleep(1); - } - } - private: /** * helper function to run a lua script @@ -237,4 +217,4 @@ private: JSemaphore m_JobQueueCounter; }; -#endif /* C_ASYNC_EVENTS_H_ */ +#endif /* L_ASYNC_EVENTS_H_ */