CCriticalSection using wxWidgets instead of Windows OS calls

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@19 1a98c847-1fd6-4fd8-948a-caf3550aa51b

1 files changed, 20 insertions, 11 deletions

diff --git a/util.h b/util.h
index 61f774a8d9..436281c90a 100644
--- a/util.h
+++ b/util.h
@@ -106,28 +106,38 @@ void AddTimeData(unsigned int ip, int64 nTime);
 // Could use wxCriticalSection for portability, but it doesn't support TryEnterCriticalSection

 class CCriticalSection

 {

+#ifdef __WXMSW__

 protected:

     CRITICAL_SECTION cs;

 public:

-    char* pszFile;

-    int nLine;

     explicit CCriticalSection() { InitializeCriticalSection(&cs); }

     ~CCriticalSection() { DeleteCriticalSection(&cs); }

     void Enter() { EnterCriticalSection(&cs); }

     void Leave() { LeaveCriticalSection(&cs); }

     bool TryEnter() { return TryEnterCriticalSection(&cs); }

-    CRITICAL_SECTION* operator&() { return &cs; }

+#else

+protected:

+    wxMutex mutex;

+public:

+    explicit CCriticalSection() { }

+    ~CCriticalSection() { }

+    void Enter() { mutex.Lock(); }

+    void Leave() { mutex.Unlock(); }

+    bool TryEnter() { return mutex.TryLock() == wxMUTEX_NO_ERROR; }

+#endif

+public:

+    char* pszFile;

+    int nLine;

 };

 

 // Automatically leave critical section when leaving block, needed for exception safety

 class CCriticalBlock

 {

 protected:

-    CRITICAL_SECTION* pcs;

+    CCriticalSection* pcs;

 public:

-    CCriticalBlock(CRITICAL_SECTION& csIn) { pcs = &csIn; EnterCriticalSection(pcs); }

-    CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; EnterCriticalSection(pcs); }

-    ~CCriticalBlock() { LeaveCriticalSection(pcs); }

+    CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; pcs->Enter(); }

+    ~CCriticalBlock() { pcs->Leave(); }

 };

 

 // WARNING: This will catch continue and break!

@@ -141,11 +151,10 @@ public:
 class CTryCriticalBlock

 {

 protected:

-    CRITICAL_SECTION* pcs;

+    CCriticalSection* pcs;

 public:

-    CTryCriticalBlock(CRITICAL_SECTION& csIn) { pcs = (TryEnterCriticalSection(&csIn) ? &csIn : NULL); }

-    CTryCriticalBlock(CCriticalSection& csIn) { pcs = (TryEnterCriticalSection(&csIn) ? &csIn : NULL); }

-    ~CTryCriticalBlock() { if (pcs) LeaveCriticalSection(pcs); }

+    CTryCriticalBlock(CCriticalSection& csIn) { pcs = (csIn.TryEnter() ? &csIn : NULL); }

+    ~CTryCriticalBlock() { if (pcs) pcs->Leave(); }

     bool Entered() { return pcs != NULL; }

 };