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| author | Ulrich Drepper <drepper@redhat.com> | 2004-03-09 06:32:58 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-09 06:32:58 +0000 |
| commit | 6fadea9f1d26e09e7da4c4c6ae2ba976fef73c25 (patch) | |
| tree | 2be99959b9b5340df51d5c2f220fb436621e9f4d /nptl/sysdeps/unix/sysv/linux/x86_64 | |
| parent | c072ef6d229b1c504e0cff58371df892ec289dec (diff) | |
| download | glibc-6fadea9f1d26e09e7da4c4c6ae2ba976fef73c25.tar.gz glibc-6fadea9f1d26e09e7da4c4c6ae2ba976fef73c25.tar.xz glibc-6fadea9f1d26e09e7da4c4c6ae2ba976fef73c25.zip | |
Update.
* sysdeps/unix/sysv/linux/i386/vfork.S: If SAVE_PID and RESTORE_PID are defined, use it. * sysdeps/unix/sysv/linux/x86_64/vfork.S: Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S new file mode 100644 index 0000000000..9e348683f3 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S @@ -0,0 +1,31 @@ +/* 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 $-1, %fs:PID + +#define RESTORE_PID \ + testq %rax, %rax; \ + je 1f; \ + movl %esi, %fs:PID; \ +1: + +#include <sysdeps/unix/sysv/linux/x86_64/vfork.S> |