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[wxWidgets.git] / src / mac / thread.cpp

diff --git a/src/mac/thread.cpp b/src/mac/thread.cpp
index 5ce510da31c00c056283c9405bb9bb9777a483f5..474b92a22f79fb6d36f63e07b7c57e02cecf75a1 100644 (file)
--- a/src/mac/thread.cpp
+++ b/src/mac/thread.cpp
@@ -99,7 +99,7 @@ public:
     {
         if ( m_locked > 0 )
         {
-            wxLogDebug(_T("Warning: freeing a locked mutex (%d locks)."), m_locked);
+            wxLogDebug(_T("Warning: freeing a locked mutex (%ld locks)."), m_locked);
         }
     }
 
@@ -523,11 +523,11 @@ void wxThread::Yield()
 
 void wxThread::Sleep(unsigned long milliseconds)
 {
-        clock_t start = clock() ;
-        do
-        {
-            YieldToAnyThread() ;
-        } while( clock() - start < milliseconds / CLOCKS_PER_SEC ) ;
+    clock_t start = clock();
+    do
+    {
+        YieldToAnyThread();
+    } while( clock() - start < (milliseconds * CLOCKS_PER_SEC) / 1000 ) ;
 }
 
 int wxThread::GetCPUCount()
@@ -576,7 +576,10 @@ wxThread::wxThread(wxThreadKind kind)
 wxThread::~wxThread()
 {
     s_threads.Remove( (void*) this ) ;
-    delete m_internal;
+    if (m_internal != NULL) {
+        delete m_internal;
+        m_internal = NULL;
+    }
 }
 
 // create/start thread