[project @ 2005-11-04 12:02:04 by simonmar]

[ghc-hetmet.git] / ghc / rts / win32 / OSThreads.c

diff --git a/ghc/rts/win32/OSThreads.c b/ghc/rts/win32/OSThreads.c
index f48540e..c772be3 100644 (file)
--- 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)