X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2Fwin32%2FOSThreads.c;h=c772be38f4ed3e7b6400280153ff9f4dbcc56473;hb=2846bc8a8a6a02851dd62e2c04be358902eee204;hp=f48540eea5df9648aa94c62967d9aa57851501ae;hpb=f6feb336f56311aa0d9ed96418367f7ef339a555;p=ghc-hetmet.git

diff --git a/ghc/rts/win32/OSThreads.c b/ghc/rts/win32/OSThreads.c
index f48540e..c772be3 100644
--- a/ghc/rts/win32/OSThreads.c
+++ b/ghc/rts/win32/OSThreads.c
@@ -110,6 +110,13 @@ osThreadId()
   return GetCurrentThreadId();
 }
 
+#ifdef USE_CRITICAL_SECTIONS
+void
+initMutex (Mutex* pMut)
+{
+    InitializeCriticalSectionAndSpinCount(pMut,4000);
+}
+#else
 void
 initMutex (Mutex* pMut)
 {
@@ -120,6 +127,7 @@ initMutex (Mutex* pMut)
   *pMut = h;
   return;
 }
+#endif
 
 void
 newThreadLocalKey (ThreadLocalKey *key)