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
// ----------------------------------------------------------------------------