Cleaned up paint DC cache in ~wxPaintDC to avoid spurious memory warning

[wxWidgets.git] / include / wx / thread.h

diff --git a/include/wx/thread.h b/include/wx/thread.h
index d4bb7aeac3efbb5ae17ec08d17cba59ea70dcc80..39bc1dd2d49f219fe78dcc637f1eb44f1549b304 100644 (file)
--- a/include/wx/thread.h
+++ b/include/wx/thread.h
@@ -134,10 +134,12 @@ private:
 
 // in order to avoid any overhead under !MSW make all wxCriticalSection class
 // functions inline - but this can't be done under MSW
-#ifdef __WXMSW__
+#if defined(__WXMSW__)
     class WXDLLEXPORT wxCriticalSectionInternal;
     #define WXCRITICAL_INLINE
-#else // !MSW
+#elif defined(__WXPM__)
+    #define WXCRITICAL_INLINE
+#else // !MSW && !PM
     #define WXCRITICAL_INLINE   inline
 #endif // MSW/!MSW
 
@@ -160,7 +162,7 @@ private:
     wxCriticalSection(const wxCriticalSection&);
     wxCriticalSection& operator=(const wxCriticalSection&);
 
-#if defined(__WXMSW__) || defined(__WXPM__)
+#if defined(__WXMSW__)
     wxCriticalSectionInternal *m_critsect;
 #else // !MSW
     wxMutex m_mutex;
@@ -350,14 +352,26 @@ private:
 void WXDLLEXPORT wxMutexGuiEnter();
 void WXDLLEXPORT wxMutexGuiLeave();
 
+// macros for entering/leaving critical sections which may be used without
+// having to take them inside "#if wxUSE_THREADS"
+#define wxENTER_CRIT_SECT(cs)   (cs)->Enter()
+#define wxLEAVE_CRIT_SECT(cs)   (cs)->Leave()
+#define wxCRIT_SECT_LOCKER(name, cs)  wxCriticalSectionLocker name(*cs)
+
 #else // !wxUSE_THREADS
 
-#include <wx/defs.h> // for WXDLLEXPORT
+#include "wx/defs.h" // for WXDLLEXPORT
 
 // no thread support
 inline void WXDLLEXPORT wxMutexGuiEnter() { }
 inline void WXDLLEXPORT wxMutexGuiLeave() { }
 
+// macros for entering/leaving critical sections which may be used without
+// having to take them inside "#if wxUSE_THREADS"
+#define wxENTER_CRIT_SECT(cs)
+#define wxLEAVE_CRIT_SECT(cs)
+#define wxCRIT_SECT_LOCKER(name, cs)
+
 #endif // wxUSE_THREADS
 
 // automatically unlock GUI mutex in dtor
@@ -372,7 +386,7 @@ public:
 // implementation only until the end of file
 // -----------------------------------------------------------------------------
 #if wxUSE_THREADS
-#if defined(__WXMSW__) || defined(__WXPM__)
+#if defined(__WXMSW__)
     // 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
@@ -387,7 +401,18 @@ 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();
-#else // !MSW
+#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
+    // thread
+    extern void WXDLLEXPORT wxMutexGuiLeaveOrEnter();
+
+    // returns TRUE if the main thread has GUI lock
+    extern bool WXDLLEXPORT wxGuiOwnedByMainThread();
+
+    inline wxCriticalSection::wxCriticalSection() { }
+    inline wxCriticalSection::~wxCriticalSection() { }
+#else // !MSW && !PM
     // implement wxCriticalSection using mutexes
     inline wxCriticalSection::wxCriticalSection() { }
     inline wxCriticalSection::~wxCriticalSection() { }