diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2004-03-10 05:25:48 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-10 05:25:48 +0000 |
| commit | 8b9d605485be779bb03778e780e9875525ec2ca4 (patch) | |
| tree | 38c566c233a1d11a10b2bb68a488dfd9e17e9b04 /nptl/sysdeps/unix/sysv/linux/x86_64 | |
| parent | 9363dbb847a7e29d1abfffabc59fb142cf956df2 (diff) | |
| download | glibc-8b9d605485be779bb03778e780e9875525ec2ca4.tar.gz glibc-8b9d605485be779bb03778e780e9875525ec2ca4.tar.xz glibc-8b9d605485be779bb03778e780e9875525ec2ca4.zip | |
Update.
2004-02-09 Jakub Jelinek <jakub@redhat.com> * posix/Makefile (tests): Add tst-vfork2. * posix/tst-vfork1.c (do_test): Fix comment. * posix/tst-vfork2.c: New test.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S | 34 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S | 6 |
2 files changed, 38 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S index 41ae251333..653b6b12fc 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pt-vfork.S @@ -1 +1,33 @@ -#include <sysdeps/unix/sysv/linux/x86_64/vfork.S> +/* Copyright (C) 2004 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 <tcb-offsets.h> + +#define SAVE_PID \ + movl %fs:PID, %esi; \ + movl %esi, %edx; \ + negl %edx; \ + movl %edx, %fs:PID + +#define RESTORE_PID \ + testq %rax, %rax; \ + je 1f; \ + movl %esi, %fs:PID; \ +1: + +#include <../../../../../../sysdeps/unix/sysv/linux/x86_64/vfork.S> diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S index 9e348683f3..f68d40439e 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S @@ -20,7 +20,11 @@ #define SAVE_PID \ movl %fs:PID, %esi; \ - movl $-1, %fs:PID + movl $0x80000000, %ecx; \ + movl %esi, %edx; \ + negl %edx; \ + cmove %ecx, %edx; \ + movl %edx, %fs:PID #define RESTORE_PID \ testq %rax, %rax; \ |