X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FOSThreads.h;h=f9af6c408c1bcfa0ae3e6a2d3ba2f37a3947e520;hb=8ab093423360990fc108d86098fc6bfb3b555269;hp=90431445b7befaf93a4d200a2405a5a54d1937fa;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1;p=ghc-hetmet.git

diff --git a/includes/OSThreads.h b/includes/OSThreads.h
index 9043144..f9af6c4 100644
--- a/includes/OSThreads.h
+++ b/includes/OSThreads.h
@@ -73,6 +73,8 @@ typedef pthread_key_t   ThreadLocalKey;
 
 typedef HANDLE Condition;
 typedef DWORD OSThreadId;
+// don't be tempted to use HANDLE as the OSThreadId: there can be 
+// many HANDLES to a given thread, so comparison would not work.
 typedef DWORD ThreadLocalKey;
 
 #define OSThreadProcAttr __stdcall
@@ -146,6 +148,7 @@ typedef void OSThreadProcAttr OSThreadProc(void *);
 
 extern int  createOSThread        ( OSThreadId* tid, 
 				    OSThreadProc *startProc, void *param);
+extern rtsBool osThreadIsAlive    ( OSThreadId id );
 
 //
 // Condition Variables
@@ -161,6 +164,7 @@ extern rtsBool waitCondition      ( Condition* pCond,
 // Mutexes
 //
 extern void initMutex             ( Mutex* pMut );
+extern void closeMutex            ( Mutex* pMut );
 
 //
 // Thread-local storage