X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bdc72a22686ac141e9bc4559a1171d017fdcb094..15678bec37c6e3cb8a67a8b041579af595d4ccf3:/include/wx/thread.h?ds=sidebyside diff --git a/include/wx/thread.h b/include/wx/thread.h index 7c9df994de..7e575b2f1e 100644 --- a/include/wx/thread.h +++ b/include/wx/thread.h @@ -150,11 +150,11 @@ class WXDLLEXPORT wxCriticalSectionInternal; // in order to avoid any overhead under platforms where critical sections are // just mutexes make all wxCriticalSection class functions inline -#if !defined(__WXMSW__) && !defined(__WXPM__) && !defined(__WXMAC__) +#if !defined(__WXMSW__) && !defined(__WXPM__) #define WXCRITICAL_INLINE inline #define wxCRITSECT_IS_MUTEX 1 -#else // MSW || Mac || OS2 +#else // MSW || OS2 #define WXCRITICAL_INLINE #define wxCRITSECT_IS_MUTEX 0 @@ -280,6 +280,21 @@ public: // NB: at least under MSW worker threads can not call ::wxSleep()! static void Sleep(unsigned long milliseconds); + // get the number of system CPUs - useful with SetConcurrency() + // (the "best" value for it is usually number of CPUs + 1) + // + // Returns -1 if unknown, number of CPUs otherwise + static int GetCPUCount(); + + // sets the concurrency level: this is, roughly, the number of threads + // the system tries to schedule to run in parallel. 0 means the + // default value (usually acceptable, but may not yield the best + // performance for this process) + // + // Returns TRUE on success, FALSE otherwise (if not implemented, for + // example) + static bool SetConcurrency(size_t level); + // constructor only creates the C++ thread object and doesn't create (or // start) the real thread wxThread(wxThreadKind kind = wxTHREAD_DETACHED); @@ -353,8 +368,12 @@ public: // Get the thread ID - a platform dependent number which uniquely // identifies a thread inside a process - unsigned long GetId() const; - +#ifdef __VMS + unsigned long long GetId() const; +#else + unsigned long GetId() const; +#endif + // called when the thread exits - in the context of this thread // // NB: this function will not be called if the thread is Kill()ed @@ -456,7 +475,7 @@ public: // wxApp then should block all "dangerous" messages extern bool WXDLLEXPORT wxIsWaitingForThread(); #elif defined(__WXMAC__) - extern void WXDLLEXPORT wxMutexGuiLeaveOrEnter(); + extern void WXDLLEXPORT wxMutexGuiLeaveOrEnter(); // returns TRUE if the main thread has GUI lock extern bool WXDLLEXPORT wxGuiOwnedByMainThread(); @@ -467,6 +486,13 @@ public: // return TRUE if the main thread is waiting for some other to terminate: // wxApp then should block all "dangerous" messages extern bool WXDLLEXPORT wxIsWaitingForThread(); + + // implement wxCriticalSection using mutexes + inline wxCriticalSection::wxCriticalSection() { } + inline wxCriticalSection::~wxCriticalSection() { } + + inline void wxCriticalSection::Enter() { (void)m_mutex.Lock(); } + inline void wxCriticalSection::Leave() { (void)m_mutex.Unlock(); } #elif defined(__WXPM__) // 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