X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7c3d7e2d777b4c5892adadf3e658b8923645ae04..c0ab6adfedf92aa4457821422e77c19b80f10bee:/include/wx/thread.h

diff --git a/include/wx/thread.h b/include/wx/thread.h
index cb3f019236..6775fdf760 100644
--- a/include/wx/thread.h
+++ b/include/wx/thread.h
@@ -13,10 +13,6 @@
 #ifndef __THREADH__
 #define __THREADH__
 
-#ifdef __GNUG__
-    #pragma interface "thread.h"
-#endif
-
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
@@ -25,6 +21,10 @@
 #include "wx/setup.h"
 
 #if wxUSE_THREADS
+/* otherwise we get undefined references for non-thread case (KB)*/
+#ifdef __GNUG__
+    #pragma interface "thread.h"
+#endif
 
 // Windows headers define it
 #ifdef Yield
@@ -134,10 +134,13 @@ private:
 
 // 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
 
@@ -151,16 +154,16 @@ public:
     WXCRITICAL_INLINE ~wxCriticalSection();
 
     // enter the section (the same as locking a mutex)
-    void WXCRITICAL_INLINE Enter();
+    WXCRITICAL_INLINE void Enter();
     // leave the critical section (same as unlocking a mutex)
-    void WXCRITICAL_INLINE Leave();
+    WXCRITICAL_INLINE void Leave();
 
 private:
     // no assignment operator nor copy ctor
     wxCriticalSection(const wxCriticalSection&);
     wxCriticalSection& operator=(const wxCriticalSection&);
 
-#ifdef __WXMSW__
+#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__)
     wxCriticalSectionInternal *m_critsect;
 #else // !MSW
     wxMutex m_mutex;
@@ -175,10 +178,8 @@ private:
 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
@@ -301,7 +302,7 @@ public:
         // 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
     //
@@ -312,7 +313,7 @@ protected:
     // Returns TRUE if the thread was asked to terminate: this function should
     // be called by the thread from time to time, otherwise the main thread
     // will be left forever in Delete()!
-    bool TestDestroy() const;
+    bool TestDestroy();
 
     // exits from the current thread - can be called only from this thread
     void Exit(void *exitcode = 0);
@@ -350,12 +351,26 @@ private:
 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
+
 // 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
@@ -369,8 +384,10 @@ public:
 // -----------------------------------------------------------------------------
 // implementation only until the end of file
 // -----------------------------------------------------------------------------
-#ifdef wxUSE_THREADS
-#ifdef __WXMSW__
+
+#if wxUSE_THREADS
+
+#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
@@ -385,7 +402,27 @@ public:
     // 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();
+#else // !MSW && !PM
     // implement wxCriticalSection using mutexes
     inline wxCriticalSection::wxCriticalSection() { }
     inline wxCriticalSection::~wxCriticalSection() { }
@@ -393,6 +430,14 @@ public:
     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__