X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bd24160658c0e3d8971c7f65391ad18fa631ed64..739e35e4fba5df59532ef7e62bcfc8ebbcd72bb5:/src/mac/carbon/thread.cpp?ds=sidebyside

diff --git a/src/mac/carbon/thread.cpp b/src/mac/carbon/thread.cpp
index 84de36ee2b..6c477b3685 100644
--- a/src/mac/carbon/thread.cpp
+++ b/src/mac/carbon/thread.cpp
@@ -114,16 +114,40 @@ MPCriticalRegionID gs_guiCritical = kInvalidID;
     to use two indices one for each 32 bit part as the MP implementation is limited
     to longs.
     
-    I have two implementations for mutexes :
+    I have three implementations for mutexes :
     version A based on a binary semaphore, problem - not reentrant, version B based 
     on a critical region, allows for reentrancy, performance implications not
-    yet tested
+    yet tested, and third a plain pthreads implementation
 
     The same for condition internal, one implementation by Aj Lavin and the other one
     copied from the thrimpl.cpp which I assume has been more broadly tested, I've just
     replaced the interlock increment with the appropriate PPC calls 
 */
 
+// ----------------------------------------------------------------------------
+// wxCriticalSection
+// ----------------------------------------------------------------------------
+
+wxCriticalSection::wxCriticalSection()
+{
+    MPCreateCriticalRegion( (MPCriticalRegionID*) &m_critRegion ) ;
+}
+
+wxCriticalSection::~wxCriticalSection()
+{
+    MPDeleteCriticalRegion( (MPCriticalRegionID) m_critRegion ) ;
+}
+
+void wxCriticalSection::Enter()
+{
+    MPEnterCriticalRegion( (MPCriticalRegionID) m_critRegion , kDurationForever ) ;
+}    
+
+void wxCriticalSection::Leave()
+{
+    MPExitCriticalRegion((MPCriticalRegionID) m_critRegion ) ;
+}
+
 // ----------------------------------------------------------------------------
 // wxMutex implementation
 // ----------------------------------------------------------------------------