X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d1bab566475b6573c1c0c982eec395c6d8eef13a..9611686694f0449c7f7ced2e0badad9f04a22ea5:/include/wx/thread.h diff --git a/include/wx/thread.h b/include/wx/thread.h index b3cc0a45f0..036b3d0adb 100644 --- a/include/wx/thread.h +++ b/include/wx/thread.h @@ -22,11 +22,6 @@ #if wxUSE_THREADS -// only for wxUSE_THREADS - otherwise we'd get undefined symbols -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "thread.h" -#endif - // Windows headers define it #ifdef Yield #undef Yield @@ -177,10 +172,10 @@ class WXDLLIMPEXP_BASE wxMutexLocker public: // lock the mutex in the ctor wxMutexLocker(wxMutex& mutex) - : m_isOk(FALSE), m_mutex(mutex) + : m_isOk(false), m_mutex(mutex) { m_isOk = ( m_mutex.Lock() == wxMUTEX_NO_ERROR ); } - // returns TRUE if mutex was successfully locked in ctor + // returns true if mutex was successfully locked in ctor bool IsOk() const { return m_isOk; } @@ -209,7 +204,7 @@ private: // in order to avoid any overhead under platforms where critical sections are // just mutexes make all wxCriticalSection class functions inline -#if !defined(__WXMSW__) +#if !defined(__WXMSW__) && !defined(__WXMAC__) #define wxCRITSECT_IS_MUTEX 1 #define wxCRITSECT_INLINE inline @@ -249,7 +244,11 @@ private: // finally, we need this typedef instead of declaring m_buffer directly // because otherwise the assert mentioned above wouldn't compile with some // compilers (notably CodeWarrior 8) +#ifdef __WIN64__ + typedef char wxCritSectBuffer[40]; +#else // __WIN32__ typedef char wxCritSectBuffer[24]; +#endif union { unsigned long m_dummy1; @@ -257,6 +256,8 @@ private: wxCritSectBuffer m_buffer; }; +#elif defined(__WXMAC__) + void *m_critRegion ; #endif // Unix&OS2/Win32 DECLARE_NO_COPY_CLASS(wxCriticalSection) @@ -275,7 +276,7 @@ private: #undef wxCRITSECT_IS_MUTEX // wxCriticalSectionLocker is the same to critical sections as wxMutexLocker is -// to th mutexes +// to mutexes class WXDLLIMPEXP_BASE wxCriticalSectionLocker { public: @@ -311,11 +312,11 @@ public: // dtor is not virtual, don't use this class polymorphically ~wxCondition(); - // return TRUE if the condition has been created successfully + // return true if the condition has been created successfully bool IsOk() const; // NB: the associated mutex MUST be locked beforehand by the calling thread - // + // // it atomically releases the lock on the associated mutex // and starts waiting to be woken up by a Signal()/Broadcast() // once its signaled, then it will wait until it can reacquire @@ -323,19 +324,19 @@ public: wxCondError Wait(); // exactly as Wait() except that it may also return if the specified - // timeout ellapses even if the condition hasn't been signalled: in this - // case, the return value is FALSE, otherwise (i.e. in case of a normal - // return) it is TRUE - // - // the timeeout parameter specifies a interval that needs to be waited in - // milliseconds + // timeout elapses even if the condition hasn't been signalled: in this + // case, the return value is false, otherwise (i.e. in case of a normal + // return) it is true + // + // the timeout parameter specifies an interval that needs to be waited for + // in milliseconds wxCondError WaitTimeout(unsigned long milliseconds); // NB: the associated mutex may or may not be locked by the calling thread // // this method unblocks one thread if any are blocking on the condition. // if no thread is blocking in Wait(), then the signal is NOT remembered - // The thread which was blocking on Wait(), will then reacquire the lock + // The thread which was blocking on Wait() will then reacquire the lock // on the associated mutex object before returning wxCondError Signal(); @@ -343,14 +344,15 @@ public: // // this method unblocks all threads if any are blocking on the condition. // if no thread is blocking in Wait(), then the signal is NOT remembered - // The threads which were blocking on Wait(), will then reacquire the lock + // The threads which were blocking on Wait() will then reacquire the lock // on the associated mutex object before returning. wxCondError Broadcast(); +#if WXWIN_COMPATIBILITY_2_6 // deprecated version, don't use - bool Wait(unsigned long milliseconds) - { return WaitTimeout(milliseconds) == wxCOND_NO_ERROR; } + wxDEPRECATED( bool Wait(unsigned long milliseconds) ); +#endif // WXWIN_COMPATIBILITY_2_6 private: wxConditionInternal *m_internal; @@ -358,6 +360,11 @@ private: DECLARE_NO_COPY_CLASS(wxCondition) }; +#if WXWIN_COMPATIBILITY_2_6 + inline bool wxCondition::Wait(unsigned long milliseconds) + { return WaitTimeout(milliseconds) == wxCOND_NO_ERROR; } +#endif // WXWIN_COMPATIBILITY_2_6 + // ---------------------------------------------------------------------------- // wxSemaphore: a counter limiting the number of threads concurrently accessing // a shared resource @@ -373,7 +380,7 @@ public: // dtor is not virtual, don't use this class polymorphically ~wxSemaphore(); - // return TRUE if the semaphore has been created successfully + // return true if the semaphore has been created successfully bool IsOk() const; // wait indefinitely, until the semaphore count goes beyond 0 @@ -386,7 +393,7 @@ public: wxSemaError TryWait(); // same as Wait(), but as a timeout limit, returns wxSEMA_NO_ERROR if the - // semaphore was acquired and wxSEMA_TIMEOUT if the timeout has ellapsed + // semaphore was acquired and wxSEMA_TIMEOUT if the timeout has elapsed wxSemaError WaitTimeout(unsigned long milliseconds); // increments the semaphore count and signals one of the waiting threads @@ -399,7 +406,7 @@ private: }; // ---------------------------------------------------------------------------- -// wxThread: class encpasulating a thread of execution +// wxThread: class encapsulating a thread of execution // ---------------------------------------------------------------------------- // there are two different kinds of threads: joinable and detached (default) @@ -435,7 +442,7 @@ public: // Returns true if current thread is the main thread. static bool IsMain(); - // Release the rest of our time slice leting the other threads run + // Release the rest of our time slice letting the other threads run static void Yield(); // Sleep during the specified period of time in milliseconds @@ -459,7 +466,7 @@ public: // default value (usually acceptable, but may not yield the best // performance for this process) // - // Returns TRUE on success, FALSE otherwise (if not implemented, for + // Returns true on success, false otherwise (if not implemented, for // example) static bool SetConcurrency(size_t level); @@ -501,9 +508,9 @@ public: ExitCode Wait(); // kills the thread without giving it any chance to clean up - should - // not be used in normal circumstances, use Delete() instead. It is a - // dangerous function that should only be used in the most extreme - // cases! + // not be used under normal circumstances, use Delete() instead. + // It is a dangerous function that should only be used in the most + // extreme cases! // // The wxThread object is deleted by Kill() if the thread is // detachable, but you still have to delete it manually for joinable @@ -546,16 +553,16 @@ public: // NB: this function will not be called if the thread is Kill()ed virtual void OnExit() { } + // Returns true if the thread was asked to terminate: this function should + // be called by the thread from time to time, otherwise the main thread + // will be left forever in Delete()! + virtual bool TestDestroy(); + // dtor is public, but the detached threads should never be deleted - use // Delete() instead (or leave the thread terminate by itself) virtual ~wxThread(); protected: - // Returns TRUE if the thread was asked to terminate: this function should - // be called by the thread from time to time, otherwise the main thread - // will be left forever in Delete()! - bool TestDestroy(); - // exits from the current thread - can be called only from this thread void Exit(ExitCode exitcode = 0); @@ -732,21 +739,19 @@ public: #if wxUSE_THREADS -#if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXPM__) +#if defined(__WXMSW__) || defined(__WXMAC__) || defined(__OS2__) || defined(__EMX__) // unlock GUI if there are threads waiting for and lock it back when // there are no more of them - should be called periodically by the main // thread extern void WXDLLIMPEXP_BASE wxMutexGuiLeaveOrEnter(); - // returns TRUE if the main thread has GUI lock + // returns true if the main thread has GUI lock extern bool WXDLLIMPEXP_BASE wxGuiOwnedByMainThread(); -#ifndef __WXPM__ // wakes up the main thread if it's sleeping inside ::GetMessage() extern void WXDLLIMPEXP_BASE wxWakeUpMainThread(); -#endif // !OS/2 - // return TRUE if the main thread is waiting for some other to terminate: + // return true if the main thread is waiting for some other to terminate: // wxApp then should block all "dangerous" messages extern bool WXDLLIMPEXP_BASE wxIsWaitingForThread(); #endif // MSW, Mac, OS/2 @@ -754,4 +759,3 @@ public: #endif // wxUSE_THREADS #endif // _WX_THREAD_H_ -