X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FOSThreads.h;h=fd5064231311276bf605827a5ec7e415a6393bed;hb=f7bcfb698d9a895a168fd29eefd7dba8fd9be849;hp=32f147ae6f1157609e6c0f9ed12e95f05393d0ca;hpb=88b35c172f9434fd98b700f706074d142914a8bb;p=ghc-hetmet.git

diff --git a/includes/OSThreads.h b/includes/OSThreads.h
index 32f147a..fd50642 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
@@ -169,6 +172,7 @@ extern void closeMutex            ( Mutex* pMut );
 void  newThreadLocalKey (ThreadLocalKey *key);
 void *getThreadLocalVar (ThreadLocalKey *key);
 void  setThreadLocalVar (ThreadLocalKey *key, void *value);
+void  freeThreadLocalKey (ThreadLocalKey *key);
 
 #else