X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad816ba53975de78ea29acdc40f05217137c8ad3..94311eef78b66304c9a2f78bcbdd396c798f19a6:/src/mac/thread.cpp

diff --git a/src/mac/thread.cpp b/src/mac/thread.cpp
index 5ce510da31..474b92a22f 100644
--- 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