diff --git a/Code/Legacy/CryCommon/CryThreadImpl_windows.h b/Code/Legacy/CryCommon/CryThreadImpl_windows.h index d81f3b0689..9157bde9bc 100644 --- a/Code/Legacy/CryCommon/CryThreadImpl_windows.h +++ b/Code/Legacy/CryCommon/CryThreadImpl_windows.h @@ -76,180 +76,3 @@ bool CryLock_CritSection::TryLock() { return TryEnterCriticalSection((CRITICAL_SECTION*)&m_cs) != FALSE; } - -////////////////////////////////////////////////////////////////////////// -// most of this is taken from http://www.cs.wustl.edu/~schmidt/win32-cv-1.html -////////////////////////////////////////////////////////////////////////// -CryConditionVariable::CryConditionVariable() -{ - m_waitersCount = 0; - m_wasBroadcast = 0; - m_sema = CreateSemaphore(NULL, 0, 0x7fffffff, NULL); - InitializeCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - m_waitersDone = CreateEvent(NULL, FALSE, FALSE, NULL); -} - -////////////////////////////////////////////////////////////////////////// -CryConditionVariable::~CryConditionVariable() -{ - CloseHandle(m_sema); - DeleteCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - CloseHandle(m_waitersDone); -} - -////////////////////////////////////////////////////////////////////////// -void CryConditionVariable::Wait(LockType& lock) -{ - EnterCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - m_waitersCount++; - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - - SignalObjectAndWait(lock._get_win32_handle(), m_sema, INFINITE, FALSE); - - EnterCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - m_waitersCount--; - bool lastWaiter = m_wasBroadcast && m_waitersCount == 0; - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - - if (lastWaiter) - { - SignalObjectAndWait(m_waitersDone, lock._get_win32_handle(), INFINITE, FALSE); - } - else - { - WaitForSingleObject(lock._get_win32_handle(), INFINITE); - } -} - -////////////////////////////////////////////////////////////////////////// -bool CryConditionVariable::TimedWait(LockType& lock, uint32 millis) -{ - EnterCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - m_waitersCount++; - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - - bool ok = true; - if (WAIT_TIMEOUT == SignalObjectAndWait(lock._get_win32_handle(), m_sema, millis, FALSE)) - { - ok = false; - } - - EnterCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - m_waitersCount--; - bool lastWaiter = m_wasBroadcast && m_waitersCount == 0; - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - - if (lastWaiter) - { - SignalObjectAndWait(m_waitersDone, lock._get_win32_handle(), INFINITE, FALSE); - } - else - { - WaitForSingleObject(lock._get_win32_handle(), INFINITE); - } - - return ok; -} - -////////////////////////////////////////////////////////////////////////// -void CryConditionVariable::NotifySingle() -{ - EnterCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - bool haveWaiters = m_waitersCount > 0; - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - if (haveWaiters) - { - ReleaseSemaphore(m_sema, 1, 0); - } -} - -////////////////////////////////////////////////////////////////////////// -void CryConditionVariable::Notify() -{ - EnterCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - bool haveWaiters = false; - if (m_waitersCount > 0) - { - m_wasBroadcast = 1; - haveWaiters = true; - } - if (haveWaiters) - { - ReleaseSemaphore(m_sema, m_waitersCount, 0); - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - WaitForSingleObject(m_waitersDone, INFINITE); - m_wasBroadcast = 0; - } - else - { - LeaveCriticalSection((CRITICAL_SECTION*)&m_waitersCountLock); - } -} - -////////////////////////////////////////////////////////////////////////// -CrySemaphore::CrySemaphore(int nMaximumCount, int nInitialCount) -{ - m_Semaphore = (void*)CreateSemaphore(NULL, nInitialCount, nMaximumCount, NULL); -} - -////////////////////////////////////////////////////////////////////////// -CrySemaphore::~CrySemaphore() -{ - CloseHandle((HANDLE)m_Semaphore); -} - -////////////////////////////////////////////////////////////////////////// -void CrySemaphore::Acquire() -{ - WaitForSingleObject((HANDLE)m_Semaphore, INFINITE); -} - -////////////////////////////////////////////////////////////////////////// -void CrySemaphore::Release() -{ - ReleaseSemaphore((HANDLE)m_Semaphore, 1, NULL); -} - -////////////////////////////////////////////////////////////////////////// -CryFastSemaphore::CryFastSemaphore(int nMaximumCount, int nInitialCount) - : m_Semaphore(nMaximumCount) - , m_nCounter(nInitialCount) -{ -} - -////////////////////////////////////////////////////////////////////////// -CryFastSemaphore::~CryFastSemaphore() -{ -} - -////////////////////////////////////////////////////////////////////////// -void CryFastSemaphore::Acquire() -{ - int nCount = ~0; - do - { - nCount = *const_cast(&m_nCounter); - } while (CryInterlockedCompareExchange(alias_cast(&m_nCounter), nCount - 1, nCount) != nCount); - - // if the count would have been 0 or below, go to kernel semaphore - if ((nCount - 1) < 0) - { - m_Semaphore.Acquire(); - } -} - -////////////////////////////////////////////////////////////////////////// -void CryFastSemaphore::Release() -{ - int nCount = ~0; - do - { - nCount = *const_cast(&m_nCounter); - } while (CryInterlockedCompareExchange(alias_cast(&m_nCounter), nCount + 1, nCount) != nCount); - - // wake up kernel semaphore if we have waiter - if (nCount < 0) - { - m_Semaphore.Release(); - } -} diff --git a/Code/Legacy/CryCommon/CryThread_pthreads.h b/Code/Legacy/CryCommon/CryThread_pthreads.h index 8dd4bfba6c..9e04784f3f 100644 --- a/Code/Legacy/CryCommon/CryThread_pthreads.h +++ b/Code/Legacy/CryCommon/CryThread_pthreads.h @@ -48,52 +48,12 @@ #undef AZ_RESTRICTED_SECTION_IMPLEMENTED #endif -#if !defined(RegisterThreadName) - #define RegisterThreadName(id, name) - #define UnRegisterThreadName(id) -#endif - #if defined(APPLE) || defined(ANDROID) // PTHREAD_MUTEX_FAST_NP is only defined by Pthreads-w32, thus not on MAC #define PTHREAD_MUTEX_FAST_NP PTHREAD_MUTEX_NORMAL #endif -// Define LARGE_THREAD_STACK to use larger than normal per-thread stack -#if defined(_DEBUG) && (defined(MAC) || defined(LINUX) || defined(AZ_PLATFORM_IOS)) -#define LARGE_THREAD_STACK -#endif - -#if defined(LINUX) -#undef RegisterThreadName -ILINE void RegisterThreadName(pthread_t id, const char* name) -{ - if ((!name) || (!id)) - { - return; - } - int ret; - // pthread names on linux are limited to 16 char - if (strlen(name) >= 16) - { - char thread_name[16]; - memcpy(thread_name, name, 15); - thread_name[15] = 0; - ret = pthread_setname_np(id, thread_name); - } - else - { - ret = pthread_setname_np(id, name); - } - if (ret != 0) - { - CryLog("Failed to set thread name for %" PRI_THREADID ", name: %s", id, name); - } -} -#endif - #if !defined _CRYTHREAD_HAVE_LOCK -template -class _PthreadCond; template class _PthreadLockBase; @@ -130,8 +90,6 @@ template class _PthreadLock : public _PthreadLockBase { - friend class _PthreadCond; - //#if defined(_DEBUG) public: //#endif @@ -218,9 +176,6 @@ public: #if !defined(LINUX) && !defined(APPLE) #define CRYTHREAD_PTHREADS_H_TRAIT_DEFINE_CRYMUTEX 1 #endif -#if !defined(LINUX) && !defined(APPLE) -#define CRYTHREAD_PTHREADS_H_TRAIT_SET_THREAD_NAME 1 -#endif #endif #if CRYTHREAD_PTHREADS_H_TRAIT_DEFINE_CRYMUTEX @@ -237,386 +192,8 @@ class CryMutex #endif #endif // CRYTHREAD_PTHREADS_TRAIT_DEFINE_CRYMUTEX -template -class _PthreadCond -{ - pthread_cond_t m_Cond; - -public: - _PthreadCond() { pthread_cond_init(&m_Cond, NULL); } - ~_PthreadCond() { pthread_cond_destroy(&m_Cond); } - void Notify() { pthread_cond_broadcast(&m_Cond); } - void NotifySingle() { pthread_cond_signal(&m_Cond); } - void Wait(LockClass& Lock) { pthread_cond_wait(&m_Cond, &Lock.m_Lock); } - bool TimedWait(LockClass& Lock, uint32 milliseconds) - { - struct timeval now; - struct timespec timeout; - int err; - - gettimeofday(&now, NULL); - while (true) - { - timeout.tv_sec = now.tv_sec + milliseconds / 1000; - uint64 nsec = (uint64)now.tv_usec * 1000 + (uint64)milliseconds * 1000000; - if (nsec >= 1000000000) - { - timeout.tv_sec += (long)(nsec / 1000000000); - nsec %= 1000000000; - } - timeout.tv_nsec = (long)nsec; -#if defined(AZ_RESTRICTED_PLATFORM) - #define AZ_RESTRICTED_SECTION CRYTHREAD_PTHREADS_H_SECTION_PTHREADCOND - #include AZ_RESTRICTED_FILE(CryThread_pthreads_h) -#endif -#if defined(AZ_RESTRICTED_SECTION_IMPLEMENTED) - #undef AZ_RESTRICTED_SECTION_IMPLEMENTED -#else - err = pthread_cond_timedwait(&m_Cond, &Lock.m_Lock, &timeout); - if (err == EINTR) - { - // Interrupted by a signal. - continue; - } - else if (err == ETIMEDOUT) - { - return false; - } -#endif - else - { - assert(err == 0); - } - break; - } - return true; - } - - // Get the POSIX pthread_cont_t. - // Warning: - // This method will not be available in the Win32 port of CryThread. - pthread_cond_t& Get_pthread_cond_t() { return m_Cond; } -}; - -#if AZ_LEGACY_CRYCOMMON_TRAIT_USE_PTHREADS -template -class CryConditionVariableT - : public _PthreadCond -{ -}; - -#if defined CRYLOCK_HAVE_FASTTLOCK -template<> -class CryConditionVariableT< CryLockT > - : public _PthreadCond< CryLockT > -{ - typedef CryLockT LockClass; - CryConditionVariableT(const CryConditionVariableT&); - CryConditionVariableT& operator = (const CryConditionVariableT&); - -public: - CryConditionVariableT() { } -}; -#endif // CRYLOCK_HAVE_FASTLOCK - -template<> -class CryConditionVariableT< CryLockT > - : public _PthreadCond< CryLockT > -{ - typedef CryLockT LockClass; - CryConditionVariableT(const CryConditionVariableT&); - CryConditionVariableT& operator = (const CryConditionVariableT&); - -public: - CryConditionVariableT() { } -}; - -#if !defined(_CRYTHREAD_CONDLOCK_GLITCH) -typedef CryConditionVariableT< CryLockT > CryConditionVariable; -#else -typedef CryConditionVariableT< CryLockT > CryConditionVariable; -#endif - #define _CRYTHREAD_HAVE_LOCK 1 -#else // LINUX MAC - -#if defined CRYLOCK_HAVE_FASTLOCK -template<> -class CryConditionVariable - : public _PthreadCond< CryLockT > -{ - typedef CryLockT LockClass; - CryConditionVariable(const CryConditionVariable&); - CryConditionVariable& operator = (const CryConditionVariable&); - -public: - CryConditionVariable() { } -}; -#endif // CRYLOCK_HAVE_FASTLOCK - -template<> -class CryConditionVariable - : public _PthreadCond< CryLockT > -{ - typedef CryLockT LockClass; - CryConditionVariable(const CryConditionVariable&); - CryConditionVariable& operator = (const CryConditionVariable&); - -public: - CryConditionVariable() { } -}; - -#define _CRYTHREAD_HAVE_LOCK 1 - -#endif // LINUX MAC #endif // !defined _CRYTHREAD_HAVE_LOCK -////////////////////////////////////////////////////////////////////////// -// Platform independet wrapper for a counting semaphore -class CrySemaphore -{ -public: - CrySemaphore(int nMaximumCount, int nInitialCount = 0); - ~CrySemaphore(); - - void Acquire(); - void Release(); - -private: -#if defined(APPLE) - // Apple only supports named semaphores so have to use sem_open/unlink/sem_close instead - // of sem_open/sem_destroy, passing in this array for the name. - char m_semaphoreName[L_tmpnam]; -#endif - sem_t* m_Semaphore; -}; - -////////////////////////////////////////////////////////////////////////// -inline CrySemaphore::CrySemaphore(int nMaximumCount, int nInitialCount) -{ -#if defined(AZ_RESTRICTED_PLATFORM) - #define AZ_RESTRICTED_SECTION CRYTHREAD_PTHREADS_H_SECTION_SEMAPHORE_CONSTRUCT - #include AZ_RESTRICTED_FILE(CryThread_pthreads_h) -#endif -#if defined(AZ_RESTRICTED_SECTION_IMPLEMENTED) - #undef AZ_RESTRICTED_SECTION_IMPLEMENTED -#elif defined(APPLE) -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wdeprecated-declarations" - tmpnam(m_semaphoreName); -# pragma clang diagnostic pop - m_Semaphore = sem_open(m_semaphoreName, O_CREAT | O_EXCL, 0644, nInitialCount); -#else - m_Semaphore = new sem_t; - sem_init(m_Semaphore, 0, nInitialCount); -#endif -} - -////////////////////////////////////////////////////////////////////////// -inline CrySemaphore::~CrySemaphore() -{ -#if defined(AZ_RESTRICTED_PLATFORM) - #define AZ_RESTRICTED_SECTION CRYTHREAD_PTHREADS_H_SECTION_SEMAPHORE_DESTROY - #include AZ_RESTRICTED_FILE(CryThread_pthreads_h) -#endif -#if defined(AZ_RESTRICTED_SECTION_IMPLEMENTED) - #undef AZ_RESTRICTED_SECTION_IMPLEMENTED -#elif defined(APPLE) - sem_close(m_Semaphore); - sem_unlink(m_semaphoreName); -#else - sem_destroy(m_Semaphore); - delete m_Semaphore; -#endif -} - -////////////////////////////////////////////////////////////////////////// -inline void CrySemaphore::Acquire() -{ -#if defined(AZ_RESTRICTED_PLATFORM) - #define AZ_RESTRICTED_SECTION CRYTHREAD_PTHREADS_H_SECTION_SEMAPHORE_ACQUIRE - #include AZ_RESTRICTED_FILE(CryThread_pthreads_h) -#endif -#if defined(AZ_RESTRICTED_SECTION_IMPLEMENTED) - #undef AZ_RESTRICTED_SECTION_IMPLEMENTED -#else - while (sem_wait(m_Semaphore) != 0 && errno == EINTR) - { - ; - } -#endif -} - -////////////////////////////////////////////////////////////////////////// -inline void CrySemaphore::Release() -{ -#if defined(AZ_RESTRICTED_PLATFORM) - #define AZ_RESTRICTED_SECTION CRYTHREAD_PTHREADS_H_SECTION_SEMAPHORE_RELEASE - #include AZ_RESTRICTED_FILE(CryThread_pthreads_h) -#endif -#if defined(AZ_RESTRICTED_SECTION_IMPLEMENTED) - #undef AZ_RESTRICTED_SECTION_IMPLEMENTED -#else - sem_post(m_Semaphore); -#endif -} - -////////////////////////////////////////////////////////////////////////// -// Platform independet wrapper for a counting semaphore -// except that this version uses C-A-S only until a blocking call is needed -// -> No kernel call if there are object in the semaphore - -class CryFastSemaphore -{ -public: - CryFastSemaphore(int nMaximumCount, int nInitialCount = 0); - ~CryFastSemaphore(); - void Acquire(); - void Release(); - -private: - CrySemaphore m_Semaphore; - volatile int32 m_nCounter; -}; - -////////////////////////////////////////////////////////////////////////// -inline CryFastSemaphore::CryFastSemaphore(int nMaximumCount, int nInitialCount) - : m_Semaphore(nMaximumCount) - , m_nCounter(nInitialCount) -{ -} - -////////////////////////////////////////////////////////////////////////// -inline CryFastSemaphore::~CryFastSemaphore() -{ -} - -///////////////////////////////////////////////////////////////////////// -inline void CryFastSemaphore::Acquire() -{ - int nCount = ~0; - do - { - nCount = *const_cast(&m_nCounter); - } while (CryInterlockedCompareExchange(alias_cast(&m_nCounter), nCount - 1, nCount) != nCount); - - // if the count would have been 0 or below, go to kernel semaphore - if ((nCount - 1) < 0) - { - m_Semaphore.Acquire(); - } -} - -////////////////////////////////////////////////////////////////////////// -inline void CryFastSemaphore::Release() -{ - int nCount = ~0; - do - { - nCount = *const_cast(&m_nCounter); - } while (CryInterlockedCompareExchange(alias_cast(&m_nCounter), nCount + 1, nCount) != nCount); - - // wake up kernel semaphore if we have waiter - if (nCount < 0) - { - m_Semaphore.Release(); - } -} - -//////////////////////////////////////////////////////////////////////////////// -// Provide TLS implementation using pthreads for those platforms without __thread -//////////////////////////////////////////////////////////////////////////////// - -struct SCryPthreadTLSBase -{ - SCryPthreadTLSBase(void (*pDestructor)(void*)) - { - pthread_key_create(&m_kKey, pDestructor); - } - - ~SCryPthreadTLSBase() - { - pthread_key_delete(m_kKey); - } - - void* GetSpecific() - { - return pthread_getspecific(m_kKey); - } - - void SetSpecific(const void* pValue) - { - pthread_setspecific(m_kKey, pValue); - } - - pthread_key_t m_kKey; -}; - -template -struct SCryPthreadTLSImpl{}; - -template -struct SCryPthreadTLSImpl - : private SCryPthreadTLSBase -{ - SCryPthreadTLSImpl() - : SCryPthreadTLSBase(NULL) - { - } - - T Get() - { - void* pSpecific(GetSpecific()); - return *reinterpret_cast(&pSpecific); - } - - void Set(const T& kValue) - { - SetSpecific(*reinterpret_cast(&kValue)); - } -}; - -template -struct SCryPthreadTLSImpl - : private SCryPthreadTLSBase -{ - SCryPthreadTLSImpl() - : SCryPthreadTLSBase(&Destroy) - { - } - - T* GetPtr() - { - T* pPtr(static_cast(GetSpecific())); - if (pPtr == NULL) - { - pPtr = new T(); - SetSpecific(pPtr); - } - return pPtr; - } - - static void Destroy(void* pPointer) - { - delete static_cast(pPointer); - } - - const T& Get() - { - return *GetPtr(); - } - - void Set(const T& kValue) - { - *GetPtr() = kValue; - } -}; - -template -struct SCryPthreadTLS - : SCryPthreadTLSImpl -{ -}; - #include "MemoryAccess.h" diff --git a/Code/Legacy/CryCommon/CryThread_windows.h b/Code/Legacy/CryCommon/CryThread_windows.h index 68908ab34a..5f83aa48e0 100644 --- a/Code/Legacy/CryCommon/CryThread_windows.h +++ b/Code/Legacy/CryCommon/CryThread_windows.h @@ -93,59 +93,3 @@ class CryMutex { }; #define _CRYTHREAD_CONDLOCK_GLITCH 1 - -////////////////////////////////////////////////////////////////////////// -class CryConditionVariable -{ -public: - typedef CryMutex LockType; - - CryConditionVariable(); - ~CryConditionVariable(); - void Wait(LockType& lock); - bool TimedWait(LockType& lock, uint32 millis); - void NotifySingle(); - void Notify(); - -private: - CryConditionVariable(const CryConditionVariable&); - CryConditionVariable& operator = (const CryConditionVariable&); - -private: - int m_waitersCount; - CRY_CRITICAL_SECTION m_waitersCountLock; - void* m_sema; - void* m_waitersDone; - size_t m_wasBroadcast; -}; - -////////////////////////////////////////////////////////////////////////// -// Platform independet wrapper for a counting semaphore -class CrySemaphore -{ -public: - CrySemaphore(int nMaximumCount, int nInitialCount = 0); - ~CrySemaphore(); - void Acquire(); - void Release(); - -private: - void* m_Semaphore; -}; - -////////////////////////////////////////////////////////////////////////// -// Platform independet wrapper for a counting semaphore -// except that this version uses C-A-S only until a blocking call is needed -// -> No kernel call if there are object in the semaphore -class CryFastSemaphore -{ -public: - CryFastSemaphore(int nMaximumCount, int nInitialCount = 0); - ~CryFastSemaphore(); - void Acquire(); - void Release(); - -private: - CrySemaphore m_Semaphore; - volatile int32 m_nCounter; -};