pthread detach problem with glibc 2.2 on SMP

[Wolfram Gloger]

> Note that this test you have introduced is precisely equivalent to
> 
>     if (nonexisting_handle(handle, thread_id))
> 
> so it should be expressed this way.

You're correct, thanks.  Updated patch below.

Regards,
Wolfram.

2000-12-06  Wolfram Gloger  <wg@malloc.de>

	* join.c (pthread_detach): Allow case where the thread has already
	terminated.

--- join.c	2000/12/06 08:37:38	1.1
+++ join.c	2000/12/06 09:20:17
@@ -181,7 +181,7 @@
   pthread_descr th;
 
   __pthread_lock(&handle->h_lock, NULL);
-  if (invalid_handle(handle, thread_id)) {
+  if (nonexisting_handle(handle, thread_id)) {
     __pthread_unlock(&handle->h_lock);
     return ESRCH;
   }