X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2Fwin32%2FOSThreads.c;fp=rts%2Fwin32%2FOSThreads.c;h=6f3629be4b5390df9c4fce92de5e17c6f792be04;hp=32800e73bdd2b6778a3a9087e0c8ae4cdcefe767;hb=e4fdc426413d178c86d3ba93702aad5eb17734bf;hpb=80ce44f764633347ea15b570e3f758b6e7aecd63

diff --git a/rts/win32/OSThreads.c b/rts/win32/OSThreads.c
index 32800e7..6f3629b 100644
--- a/rts/win32/OSThreads.c
+++ b/rts/win32/OSThreads.c
@@ -7,6 +7,8 @@
  *
  * --------------------------------------------------------------------------*/
 
+#define _WIN32_WINNT 0x0500
+
 #include "Rts.h"
 #if defined(THREADED_RTS)
 #include "OSThreads.h"
@@ -112,6 +114,22 @@ osThreadId()
   return GetCurrentThreadId();
 }
 
+rtsBool
+osThreadIsAlive(OSThreadId id)
+{
+    DWORD exit_code;
+    HANDLE hdl;
+    if (!(hdl = OpenThread(THREAD_QUERY_INFORMATION,FALSE,id))) {
+        sysErrorBelch("osThreadIsAlive: OpenThread");
+        stg_exit(EXIT_FAILURE);
+    }
+    if (!GetExitCodeThread(hdl, &exit_code)) {
+        sysErrorBelch("osThreadIsAlive: GetExitCodeThread");
+        stg_exit(EXIT_FAILURE);
+    }
+    return (exit_code == STILL_ACTIVE);
+}
+
 #ifdef USE_CRITICAL_SECTIONS
 void
 initMutex (Mutex* pMut)
@@ -161,7 +179,8 @@ getThreadLocalVar (ThreadLocalKey *key)
     // r is allowed to be NULL - it can mean that either there was an
     // error or the stored value is in fact NULL.
     if (GetLastError() != NO_ERROR) {
-	barf("getThreadLocalVar: key not found");
+	sysErrorBelch("getThreadLocalVar");
+        stg_exit(EXIT_FAILURE);
     }
 #endif
     return r;
@@ -173,7 +192,8 @@ setThreadLocalVar (ThreadLocalKey *key, void *value)
     BOOL b;
     b = TlsSetValue(*key, value);
     if (!b) {
-	barf("setThreadLocalVar: %d", GetLastError());
+	sysErrorBelch("setThreadLocalVar");
+        stg_exit(EXIT_FAILURE);
     }
 }