X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c4b64a941e03ea4c2c88233b750a5054552698c3..fa61b1df36e12ffdb77ec07677f6e14881c96a3b:/include/wx/thread.h

diff --git a/include/wx/thread.h b/include/wx/thread.h
index dcc5ed8b43..53e177f515 100644
--- a/include/wx/thread.h
+++ b/include/wx/thread.h
@@ -22,11 +22,6 @@
 
 #if wxUSE_THREADS
 
-// Windows headers define it
-#ifdef Yield
-    #undef Yield
-#endif
-
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -209,7 +204,7 @@ private:
 
 // in order to avoid any overhead under platforms where critical sections are
 // just mutexes make all wxCriticalSection class functions inline
-#if !defined(__WXMSW__) && !defined(__WXMAC__)
+#if !defined(__WXMSW__) && ( !defined(__WXMAC__) || wxOSX_USE_COCOA_OR_IPHONE )
     #define wxCRITSECT_IS_MUTEX 1
 
     #define wxCRITSECT_INLINE inline
@@ -452,7 +447,7 @@ public:
 
         // Sleep during the specified period of time in milliseconds
         //
-        // NB: at least under MSW worker threads can not call ::wxSleep()!
+        // This is the same as wxMilliSleep().
     static void Sleep(unsigned long milliseconds);
 
         // get the number of system CPUs - useful with SetConcurrency()
@@ -732,11 +727,12 @@ inline void 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_DECLARE(cs)
-#define wxCRIT_SECT_DECLARE_MEMBER(cs)
-#define wxCRIT_SECT_LOCKER(name, cs)
+// (the implementation uses dummy structs to force semicolon after the macro)
+#define wxENTER_CRIT_SECT(cs)            do {} while (0)
+#define wxLEAVE_CRIT_SECT(cs)            do {} while (0)
+#define wxCRIT_SECT_DECLARE(cs)          struct wxDummyCS##cs
+#define wxCRIT_SECT_DECLARE_MEMBER(cs)   struct wxDummyCSMember##cs
+#define wxCRIT_SECT_LOCKER(name, cs)     struct wxDummyCSLocker##name
 
 // if there is only one thread, it is always the main one
 inline bool wxIsMainThread() { return true; }