[PATCH] Fix s390{,x} system(3)

[Jakub Jelinek <jakub at redhat dot com>]

Hi!

s390{,x} uses different order of clone arguments. Fixes tst-system.

2003-05-21  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/s390/system.c: New file.

--- libc/sysdeps/unix/sysv/linux/s390/system.c.jj	2003-05-21 13:40:08.000000000 -0400
+++ libc/sysdeps/unix/sysv/linux/s390/system.c	2003-05-21 13:41:04.000000000 -0400
@@ -0,0 +1,34 @@
+/* Copyright (C) 2003 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 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
+   Lesser General Public License for more details.
+
+   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 <kernel-features.h>
+
+/* We have to and actually can handle cancelable system().  The big
+   problem: we have to kill the child process if necessary.  To do
+   this a cleanup handler has to be registered and is has to be able
+   to find the PID of the child.  The main problem is to reliable have
+   the PID when needed.  It is not necessary for the parent thread to
+   return.  It might still be in the kernel when the cancellation
+   request comes.  Therefore we have to use the clone() calls ability
+   to have the kernel write the PID into the user-level variable.  */
+#ifdef __ASSUME_CLONE_THREAD_FLAGS
+# define FORK() \
+  INLINE_SYSCALL (clone, 3, 0, CLONE_PARENT_SETTID | SIGCHLD, &pid)
+#endif
+
+#include "../system.c"

	Jakub