2001-07-24  Mo DeJong  <mdejong@redhat.com>

	* win/tclWinThrd.c (Tcl_CreateThread, TclpThreadExit):
	When building under Cygwin, call CreateThread instead
	of _beginthreadex and call ExitThread instead of
	_endthreadex. Cygwin does not support these msvcrt
	methods and does not suffer from the memory leak
	problems that prompted their use.

Index: win/tclWinThrd.c
===================================================================
RCS file: /cvsroot/tcl/tcl/win/tclWinThrd.c,v
retrieving revision 1.13
diff -u -r1.13 tclWinThrd.c
--- win/tclWinThrd.c	2001/07/24 19:47:02	1.13
+++ win/tclWinThrd.c	2001/07/24 20:33:05
@@ -135,10 +135,16 @@
 
     EnterCriticalSection(&joinLock);
 
+#ifdef __CYGWIN__
+    tHandle = CreateThread(NULL, (DWORD) stackSize,
+        (LPTHREAD_START_ROUTINE) proc, (LPVOID) clientData,
+        (DWORD) 0, (LPDWORD)idPtr);
+    if (tHandle == NULL) {
+#else
     tHandle = (HANDLE) _beginthreadex(NULL, (unsigned) stackSize, proc,
-	clientData, 0, (unsigned *)idPtr);
-
+	clientData, (unsigned) 0, (unsigned *)idPtr);
     if (tHandle == 0) {
+#endif /* __CYGWIN__ */
         LeaveCriticalSection(&joinLock);
 	return TCL_ERROR;
     } else {
@@ -203,7 +209,11 @@
     TclSignalExitThread (Tcl_GetCurrentThread (), status);
     LeaveCriticalSection(&joinLock);
 
-    _endthreadex((DWORD)status);
+#ifdef __CYGWIN__
+    ExitThread((DWORD) status);
+#else
+    _endthreadex((unsigned) status);
+#endif /* __CYGWIN__ */
 }
 
 
