Sat Apr 14 17:04:00 2001 Robert Collins <rbtcollins@hotmail.com>

* thread.h (MTinterface): Add threadcount.
	* thread.cc (MTinterface::Init): Set threadcount to 1.
	(__pthread_create): Increment threadcount.
	(__pthread_exit): Decrement threadcount and call exit() from the last thread.

winsup/cygwin/thread.h

@@ -333,6 +333,7 @@ public:
   /* we may get 0 for the Tls index.. grrr */
   int indexallocated;
   int concurrency;
+  long int threadcount;
 
   // Used for main thread data, and sigproc thread
   struct __reent_t reents;
@@ -346,7 +347,7 @@ public:
 
   void Init (int);
 
-    MTinterface ():reent_index (0), indexallocated (0) 
+    MTinterface ():reent_index (0), indexallocated (0), threadcount (1)
   {
     pthread_prepare = NULL;
     pthread_child   = NULL;