X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2b5f62a0b2db198609b45dec622a018dae37008e..9d180f3ad0459709707ca591295c7c885d09c614:/src/msw/thread.cpp diff --git a/src/msw/thread.cpp b/src/msw/thread.cpp index 4cbf5710d5..576f756780 100644 --- a/src/msw/thread.cpp +++ b/src/msw/thread.cpp @@ -26,11 +26,14 @@ #endif #ifndef WX_PRECOMP -# include "wx/wx.h" + #include "wx/intl.h" + #include "wx/app.h" #endif #if wxUSE_THREADS +#include "wx/apptrait.h" + #include "wx/msw/private.h" #include "wx/msw/missing.h" @@ -174,6 +177,8 @@ private: wxMutexError LockTimeout(DWORD milliseconds); HANDLE m_mutex; + + DECLARE_NO_COPY_CLASS(wxMutexInternal) }; // all mutexes are recursive under Win32 so we don't use mutexType @@ -265,13 +270,24 @@ public: bool IsOk() const { return m_semaphore != NULL; } wxSemaError Wait() { return WaitTimeout(INFINITE); } - wxSemaError TryWait() { return WaitTimeout(0); } + + wxSemaError TryWait() + { + wxSemaError rc = WaitTimeout(0); + if ( rc == wxSEMA_TIMEOUT ) + rc = wxSEMA_BUSY; + + return rc; + } + wxSemaError WaitTimeout(unsigned long milliseconds); wxSemaError Post(); private: HANDLE m_semaphore; + + DECLARE_NO_COPY_CLASS(wxSemaphoreInternal) }; wxSemaphoreInternal::wxSemaphoreInternal(int initialcount, int maxcount) @@ -317,7 +333,7 @@ wxSemaError wxSemaphoreInternal::WaitTimeout(unsigned long milliseconds) return wxSEMA_NO_ERROR; case WAIT_TIMEOUT: - return wxSEMA_BUSY; + return wxSEMA_TIMEOUT; default: wxLogLastError(_T("WaitForSingleObject(semaphore)")); @@ -536,6 +552,8 @@ private: wxThreadState m_state; // state, see wxThreadState enum unsigned int m_priority; // thread priority in "wx" units DWORD m_tid; // thread id + + DECLARE_NO_COPY_CLASS(wxThreadInternal) }; THREAD_RETVAL THREAD_CALLCONV wxThreadInternal::WinThreadStart(void *param) @@ -614,6 +632,9 @@ void wxThreadInternal::SetPriority(unsigned int priority) bool wxThreadInternal::Create(wxThread *thread, unsigned int stackSize) { + wxASSERT_MSG( m_state == STATE_NEW && !m_hThread, + _T("Create()ing thread twice?") ); + // for compilers which have it, we should use C RTL function for thread // creation instead of Win32 API one because otherwise we will have memory // leaks if the thread uses C RTL (and most threads do) @@ -982,10 +1003,11 @@ wxThreadError wxThread::Delete(ExitCode *pRc) m_internal->Cancel(); } -#if wxUSE_GUI // we can't just wait for the thread to terminate because it might be // calling some GUI functions and so it will never terminate before we // process the Windows messages that result from these functions + // (note that even in console applications we might have to process + // messages if we use wxExecute() or timers or ...) DWORD result = 0; // suppress warnings from broken compilers do { @@ -1023,12 +1045,17 @@ wxThreadError wxThread::Delete(ExitCode *pRc) case WAIT_OBJECT_0 + 1: // new message arrived, process it - if ( !wxTheApp->DoMessage() ) { - // WM_QUIT received: kill the thread - Kill(); + wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() + : NULL; + + if ( traits && !traits->DoMessageFromThreadWait() ) + { + // WM_QUIT received: kill the thread + Kill(); - return wxTHREAD_KILLED; + return wxTHREAD_KILLED; + } } break; @@ -1036,16 +1063,6 @@ wxThreadError wxThread::Delete(ExitCode *pRc) wxFAIL_MSG(wxT("unexpected result of MsgWaitForMultipleObject")); } } while ( result != WAIT_OBJECT_0 ); -#else // !wxUSE_GUI - // simply wait for the thread to terminate - // - // OTOH, even console apps create windows (in wxExecute, for WinSock - // &c), so may be use MsgWaitForMultipleObject() too here? - if ( WaitForSingleObject(hThread, INFINITE) != WAIT_OBJECT_0 ) - { - wxFAIL_MSG(wxT("unexpected result of WaitForSingleObject")); - } -#endif // wxUSE_GUI/!wxUSE_GUI if ( IsMain() ) { @@ -1250,7 +1267,7 @@ void wxThreadModule::OnExit() // not a mutex, so the names are a bit confusing // ---------------------------------------------------------------------------- -void WXDLLEXPORT wxMutexGuiEnter() +void WXDLLIMPEXP_BASE wxMutexGuiEnter() { // this would dead lock everything... wxASSERT_MSG( !wxThread::IsMain(), @@ -1272,7 +1289,7 @@ void WXDLLEXPORT wxMutexGuiEnter() gs_critsectGui->Enter(); } -void WXDLLEXPORT wxMutexGuiLeave() +void WXDLLIMPEXP_BASE wxMutexGuiLeave() { wxCriticalSectionLocker enter(*gs_critsectWaitingForGui); @@ -1294,7 +1311,7 @@ void WXDLLEXPORT wxMutexGuiLeave() gs_critsectGui->Leave(); } -void WXDLLEXPORT wxMutexGuiLeaveOrEnter() +void WXDLLIMPEXP_BASE wxMutexGuiLeaveOrEnter() { wxASSERT_MSG( wxThread::IsMain(), wxT("only main thread may call wxMutexGuiLeaveOrEnter()!") ); @@ -1324,13 +1341,13 @@ void WXDLLEXPORT wxMutexGuiLeaveOrEnter() } } -bool WXDLLEXPORT wxGuiOwnedByMainThread() +bool WXDLLIMPEXP_BASE wxGuiOwnedByMainThread() { return gs_bGuiOwnedByMainThread; } // wake up the main thread if it's in ::GetMessage() -void WXDLLEXPORT wxWakeUpMainThread() +void WXDLLIMPEXP_BASE wxWakeUpMainThread() { // sending any message would do - hopefully WM_NULL is harmless enough if ( !::PostThreadMessage(gs_idMainThread, WM_NULL, 0, 0) ) @@ -1340,7 +1357,7 @@ void WXDLLEXPORT wxWakeUpMainThread() } } -bool WXDLLEXPORT wxIsWaitingForThread() +bool WXDLLIMPEXP_BASE wxIsWaitingForThread() { return gs_waitingForThread; }