// 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__) || defined(__WXPM__)
class WXDLLEXPORT wxCriticalSectionInternal;
#define WXCRITICAL_INLINE
-#else // !MSW
+#elif defined(__WXMAC__)
+ class WXDLLEXPORT wxCriticalSectionInternal;
+ #define WXCRITICAL_INLINE
+#else // !MSW && !PM
#define WXCRITICAL_INLINE inline
#endif // MSW/!MSW
wxCriticalSection(const wxCriticalSection&);
wxCriticalSection& operator=(const wxCriticalSection&);
-#ifdef __WXMSW__
+#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__)
wxCriticalSectionInternal *m_critsect;
#else // !MSW
wxMutex m_mutex;
class WXDLLEXPORT wxCriticalSectionLocker
{
public:
- wxCriticalSectionLocker(wxCriticalSection& critsect) : m_critsect(critsect)
- { m_critsect.Enter(); }
- ~wxCriticalSectionLocker()
- { m_critsect.Leave(); }
+ inline wxCriticalSectionLocker(wxCriticalSection& critsect);
+ inline ~wxCriticalSectionLocker();
private:
// no assignment operator nor copy ctor
// Returns true if the thread is running (not paused, not killed).
bool IsRunning() const;
// Returns true if the thread is suspended
- bool IsPaused() const { return IsAlive() && !IsRunning(); }
+ bool IsPaused() const;
// called when the thread exits - in the context of this thread
//
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
// -----------------------------------------------------------------------------
// implementation only until the end of file
// -----------------------------------------------------------------------------
+
#if wxUSE_THREADS
-#ifdef __WXMSW__
+
+#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
// 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(__WXMAC__)
+ extern void WXDLLEXPORT wxMutexGuiLeaveOrEnter();
+
+ // returns TRUE if the main thread has GUI lock
+ extern bool WXDLLEXPORT wxGuiOwnedByMainThread();
+
+ // wakes up the main thread if it's sleeping inside ::GetMessage()
+ extern void WXDLLEXPORT wxWakeUpMainThread();
+
+ // return TRUE if the main thread is waiting for some other to terminate:
+ // wxApp then should block all "dangerous" messages
+ extern bool WXDLLEXPORT wxIsWaitingForThread();
+#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();
+ // 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 && !PM
// implement wxCriticalSection using mutexes
inline wxCriticalSection::wxCriticalSection() { }
inline wxCriticalSection::~wxCriticalSection() { }
inline void wxCriticalSection::Enter() { (void)m_mutex.Lock(); }
inline void wxCriticalSection::Leave() { (void)m_mutex.Unlock(); }
#endif // MSW/!MSW
+
+ // we can define these inline functions now (they should be defined after
+ // wxCriticalSection::Enter/Leave)
+ inline
+ wxCriticalSectionLocker:: wxCriticalSectionLocker(wxCriticalSection& cs)
+ : m_critsect(cs) { m_critsect.Enter(); }
+ inline
+ wxCriticalSectionLocker::~wxCriticalSectionLocker() { m_critsect.Leave(); }
#endif // wxUSE_THREADS
#endif // __THREADH__