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From: David Xu <davidxu@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Subject: PERFORCE change 56203 for review
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http://perforce.freebsd.org/chv.cgi?CH=56203

Change 56203 by davidxu@davidxu_celeron on 2004/07/01 09:19:47

	If a lwp is not used by any user thread, return TD_NOTHR.

Affected files ...

.. //depot/projects/davidxu_ksedbg/src/gnu/usr.bin/gdb/libgdb/freebsd-threads.c#2 delete
.. //depot/projects/davidxu_ksedbg/src/lib/libthread_db/pthread/pthread_db.c#3 edit

Differences ...

==== //depot/projects/davidxu_ksedbg/src/lib/libthread_db/pthread/pthread_db.c#3 (text+ko) ====

@@ -302,16 +302,6 @@
 			return (P2T(ret));
 	}
 
-	/*
-	 * If we reach here, the lwp is upcall thread or similar thing not yet
-	 * mapped to user thread.
-	 * XXX we probably should check if the lwp is existing in process by
-	 * calling getgreg, current we just trust gdb.
-	 */
-	th->th_ta_p = (td_thragent_t *)ta;
-	th->th_unique = pt_map_lwp(ta, lwp);
-	if (th->th_unique == -1)
-		return (TD_MALLOC);
 	return (TD_OK);
 }