X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FOSThreads.h;h=dd7f91a92dc8d9a0cf88449555e9b67dbd57a091;hb=db01886e22bd80de8d94a8d5e71d2ca645cb7a8e;hp=32429b5794ce7de58ca249b291e4293b1c3bc0dc;hpb=16ed3e3cd3ba05ae7222f8da2c80f8294540817d;p=ghc-hetmet.git

diff --git a/includes/OSThreads.h b/includes/OSThreads.h
index 32429b5..dd7f91a 100644
--- a/includes/OSThreads.h
+++ b/includes/OSThreads.h
@@ -79,6 +79,18 @@ typedef pthread_key_t   ThreadLocalKey;
 #endif // CMINUSMINUS
 
 # elif defined(HAVE_WINDOWS_H)
+
+#if CMINUSMINUS
+
+/* We jump through a hoop here to get a CCall EnterCriticalSection
+   and LeaveCriticalSection, as that's what C-- wants. */
+
+#define ACQUIRE_LOCK(mutex) CCallEnterCriticalSection(mutex)
+#define RELEASE_LOCK(mutex) CCallLeaveCriticalSection(mutex)
+#define ASSERT_LOCK_HELD(mutex) /* nothing */
+
+#else
+
 #include <windows.h>
 
 typedef HANDLE Condition;
@@ -143,6 +155,8 @@ typedef HANDLE Mutex;
 #define ASSERT_LOCK_HELD(mutex) /* nothing */
 #endif
 
+#endif // CMINUSMINUS
+
 # else
 #  error "Threads not supported"
 # endif