#if wxUSE_THREADS
// only for wxUSE_THREADS - otherwise we'd get undefined symbols
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "thread.h"
#endif
#undef Yield
#endif
-#include "wx/module.h"
-
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// just mutexes make all wxCriticalSection class functions inline
#if !defined(__WXMSW__) && !defined(__WXPM__)
#define wxCRITSECT_IS_MUTEX 1
+
+ #define wxCRITSECT_INLINE inline
#else // MSW || OS2
#define wxCRITSECT_IS_MUTEX 0
+
+ #define wxCRITSECT_INLINE
#endif // MSW/!MSW
// you should consider wxCriticalSectionLocker whenever possible instead of
{
public:
// ctor & dtor
- wxCriticalSection();
- ~wxCriticalSection();
+ wxCRITSECT_INLINE wxCriticalSection();
+ wxCRITSECT_INLINE ~wxCriticalSection();
// enter the section (the same as locking a mutex)
- void Enter();
+ wxCRITSECT_INLINE void Enter();
// leave the critical section (same as unlocking a mutex)
- void Leave();
+ wxCRITSECT_INLINE void Leave();
private:
#if wxCRITSECT_IS_MUTEX
#elif defined(__WXMSW__)
// we can't allocate any memory in the ctor, so use placement new -
// unfortunately, we have to hardcode the sizeof() here because we can't
- // include windows.h from this public header
+ // include windows.h from this public header and we also have to use the
+ // union to force the correct (i.e. maximal) alignment
//
// if CRITICAL_SECTION size changes in Windows, you'll get an assert from
// thread.cpp and will need to increase the buffer size
- char m_buffer[24];
+ //
+ // finally, we need this typedef instead of declaring m_buffer directly
+ // because otherwise the assert mentioned above wouldn't compile with some
+ // compilers (notably CodeWarrior 8)
+ typedef char wxCritSectBuffer[24];
+ union
+ {
+ unsigned long m_dummy1;
+ void *m_dummy2;
+
+ wxCritSectBuffer m_buffer;
+ };
#else
// nothing for OS/2
#endif // Unix/Win32/OS2
#if wxCRITSECT_IS_MUTEX
// implement wxCriticalSection using mutexes
- wxCriticalSection::wxCriticalSection() { }
- wxCriticalSection::~wxCriticalSection() { }
+ inline wxCriticalSection::wxCriticalSection() { }
+ inline wxCriticalSection::~wxCriticalSection() { }
- void wxCriticalSection::Enter() { (void)m_mutex.Lock(); }
- void wxCriticalSection::Leave() { (void)m_mutex.Unlock(); }
+ inline void wxCriticalSection::Enter() { (void)m_mutex.Lock(); }
+ inline void wxCriticalSection::Leave() { (void)m_mutex.Unlock(); }
#endif // wxCRITSECT_IS_MUTEX
+#undef wxCRITSECT_INLINE
+#undef wxCRITSECT_IS_MUTEX
+
// wxCriticalSectionLocker is the same to critical sections as wxMutexLocker is
// to th mutexes
class WXDLLEXPORT wxCriticalSectionLocker
#define wxENTER_CRIT_SECT(cs) (cs).Enter()
#define wxLEAVE_CRIT_SECT(cs) (cs).Leave()
#define wxCRIT_SECT_DECLARE(cs) static wxCriticalSection cs
+#define wxCRIT_SECT_DECLARE_MEMBER(cs) wxCriticalSection cs
#define wxCRIT_SECT_LOCKER(name, cs) wxCriticalSectionLocker name(cs)
+// function for checking if we're in the main thread which may be used whether
+// wxUSE_THREADS is 0 or 1
+inline bool wxIsMainThread() { return wxThread::IsMain(); }
+
#else // !wxUSE_THREADS
// no thread support
#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)
+// if there is only one thread, it is always the main one
+inline bool wxIsMainThread() { return true; }
+
#endif // wxUSE_THREADS/!wxUSE_THREADS
// mark part of code as being a critical section: this macro declares a