(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

[platform/upstream/glibc.git] / hurd / hurdpid.c

diff --git a/hurd/hurdpid.c b/hurd/hurdpid.c
index 23594d9..418b916 100644 (file)
--- a/hurd/hurdpid.c
+++ b/hurd/hurdpid.c
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 92, 93, 94, 95, 97 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <hurd.h>
 pid_t _hurd_pid, _hurd_ppid, _hurd_pgrp;
@@ -49,23 +49,24 @@ _S_msg_proc_newids (mach_port_t me,
                    task_t task,
                    pid_t ppid, pid_t pgrp, int orphaned)
 {
+  int pgrp_changed;
+
   if (task != __mach_task_self ())
     return EPERM;
 
   __mach_port_deallocate (__mach_task_self (), task);
 
+  pgrp_changed = pgrp != _hurd_pgrp;
   _hurd_ppid = ppid;
   _hurd_pgrp = pgrp;
   _hurd_orphaned = orphaned;
 
-  /* Run things that want notification of a pgrp change.  */
-  RUN_HOOK (_hurd_pgrp_changed_hook, (_hurd_pgrp));
+  if (pgrp_changed)
+    /* Run things that want notification of a pgrp change.  */
+    RUN_HOOK (_hurd_pgrp_changed_hook, (pgrp));
 
   /* Notify any waiting user threads that the id change as been completed.  */
   ++_hurd_pids_changed_stamp;
-#ifdef noteven
-  __condition_broadcast (&_hurd_pids_changed_sync);
-#endif
 
   return 0;
 }