wxTHREAD_JOINABLE
};
+enum wxThreadWait
+{
+ wxTHREAD_WAIT_BLOCK,
+ wxTHREAD_WAIT_YIELD, // process events while waiting; MSW only
+
+ // For compatibility reasons we use wxTHREAD_WAIT_YIELD by default as this
+ // was the default behaviour of wxMSW 2.8 but it should be avoided as it's
+ // dangerous and not portable.
+#if WXWIN_COMPATIBILITY_2_8
+ wxTHREAD_WAIT_DEFAULT = wxTHREAD_WAIT_YIELD
+#else
+ wxTHREAD_WAIT_DEFAULT = wxTHREAD_WAIT_BLOCK
+#endif
+};
+
// defines the interval of priority
enum
{
// 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(__WINDOWS__)
#define wxCRITSECT_IS_MUTEX 1
#define wxCRITSECT_INLINE WXEXPORT inline
// enter the section (the same as locking a mutex)
wxCRITSECT_INLINE void Enter();
+ // try to enter the section (the same as trying to lock a mutex)
+ wxCRITSECT_INLINE bool TryEnter();
+
// leave the critical section (same as unlocking a mutex)
wxCRITSECT_INLINE void Leave();
private:
#if wxCRITSECT_IS_MUTEX
wxMutex m_mutex;
-#elif defined(__WXMSW__)
+#elif defined(__WINDOWS__)
// we can't allocate any memory in the ctor, so use placement new -
// unfortunately, we have to hardcode the sizeof() here because we can't
// include windows.h from this public header and we also have to use the
//
// if CRITICAL_SECTION size changes in Windows, you'll get an assert from
// thread.cpp and will need to increase the buffer size
- //
- // 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__
inline wxCriticalSection::~wxCriticalSection() { }
inline void wxCriticalSection::Enter() { (void)m_mutex.Lock(); }
+ inline bool wxCriticalSection::TryEnter() { return m_mutex.TryLock() == wxMUTEX_NO_ERROR; }
inline void wxCriticalSection::Leave() { (void)m_mutex.Unlock(); }
#endif // wxCRITSECT_IS_MUTEX
// does it!
//
// will fill the rc pointer with the thread exit code if it's !NULL
- wxThreadError Delete(ExitCode *rc = NULL);
+ wxThreadError Delete(ExitCode *rc = NULL,
+ wxThreadWait waitMode = wxTHREAD_WAIT_DEFAULT);
// waits for a joinable thread to finish and returns its exit code
//
// Returns (ExitCode)-1 on error (for example, if the thread is not
// joinable)
- ExitCode Wait();
+ ExitCode Wait(wxThreadWait waitMode = wxTHREAD_WAIT_DEFAULT);
// kills the thread without giving it any chance to clean up - should
// not be used under normal circumstances, use Delete() instead.
#if wxUSE_THREADS
-#if defined(__WXMSW__) || defined(__OS2__) || defined(__EMX__) || defined(__WXOSX__)
+#if defined(__WINDOWS__) || defined(__OS2__) || defined(__EMX__) || defined(__WXOSX__)
// 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