X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ef8d96c29c73b9da8cdaa2b8b4737862c85ccc20..4d876ee3f727afa0d79aa5f7b03bf9a59673bef6:/include/wx/thread.h diff --git a/include/wx/thread.h b/include/wx/thread.h index a4c4b465df..7dd5cfa621 100644 --- a/include/wx/thread.h +++ b/include/wx/thread.h @@ -99,8 +99,6 @@ public: bool IsLocked() const { return (m_locked > 0); } protected: - friend class wxCondition; - // no assignment operator nor copy ctor wxMutex(const wxMutex&); wxMutex& operator=(const wxMutex&); @@ -150,11 +148,11 @@ 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 @@ -234,9 +232,14 @@ public: // signal the condition // wakes up one (and only one) of the waiting threads void Signal(); - // wakes up all threads waiting onthis condition + // wakes up all threads waiting on this condition void Broadcast(); +#ifdef __WXDEBUG__ + // for debugging purposes only + void *GetId() const { return m_internal; } +#endif // __WXDEBUG__ + private: wxConditionInternal *m_internal; }; @@ -254,6 +257,13 @@ private: // created by the wxThread object while "main thread" is the thread created // during the process initialization (a.k.a. the GUI thread) +// On VMS thread pointers are 64 bits (also needed for other systems??? +#ifdef __VMS + typedef unsigned long long wxThreadIdType; +#else + typedef unsigned long wxThreadIdType; +#endif + class wxThreadInternal; class WXDLLEXPORT wxThread { @@ -286,6 +296,11 @@ public: // Returns -1 if unknown, number of CPUs otherwise static int GetCPUCount(); + // Get the platform specific thread ID and return as a long. This + // can be used to uniquely identify threads, even if they are not + // wxThreads. This is used by wxPython. + static wxThreadIdType GetCurrentId(); + // 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 @@ -303,8 +318,11 @@ public: // from _another_ thread (typically the thread that created this one, e.g. // the main thread), not from the thread itself - // create a new thread - call Run() to start it - wxThreadError Create(); + // create a new thread and optionally set the stack size on + // platforms that support that - call Run() to start it + // (special cased for watcom which won't accept 0 default) + + wxThreadError Create(unsigned int stackSize = 0); // starts execution of the thread - from the moment Run() is called // the execution of wxThread::Entry() may start at any moment, caller @@ -368,7 +386,7 @@ public: // Get the thread ID - a platform dependent number which uniquely // identifies a thread inside a process - unsigned long GetId() const; + wxThreadIdType GetId() const; // called when the thread exits - in the context of this thread // @@ -471,7 +489,7 @@ 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(); @@ -482,6 +500,13 @@ 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 @@ -514,3 +539,5 @@ public: #endif // wxUSE_THREADS #endif // __THREADH__ + +// vi:sts=4:sw=4:et