diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2003-01-09 20:30:21 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-01-09 20:30:21 +0000 |
| commit | 29d9a17dba956f7d14eb0dd15f71751fd6da02ce (patch) | |
| tree | 32f075141fb061c520bb74617412fa4c538b8c9d /linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S | |
| parent | 8f6a393ea595c6b3673d03acf05ae5adc3836fce (diff) | |
| download | glibc-29d9a17dba956f7d14eb0dd15f71751fd6da02ce.tar.gz | |
Update.
2003-01-09 Jakub Jelinek <jakub@redhat.com>
* posix/test-vfork.c (noop): Add __attribute_noinline__.
* sysdeps/generic/sysdep.h (JUMPTARGET): Define if not defined.
* sysdeps/i386/sysdep.h (JUMPTARGET): Undefine JUMPTARGET before
defining it.
* sysdeps/powerpc/powerpc32/sysdep.h (JUMPTARGET): Likewise.
* sysdeps/powerpc/powerpc64/sysdep.h (JUMPTARGET): Likewise.
* sysdeps/s390/s390-32/sysdep.h (JUMPTARGET): Likewise.
* sysdeps/s390/s390-64/sysdep.h (JUMPTARGET): Likewise.
* sysdeps/x86_64/sysdep.h (JUMPTARGET): Likewise.
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S')
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S new file mode 100644 index 0000000000..78c26228f7 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2000, 2002, 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 <sysdep-cancel.h> +#define _SIGNAL_H +#include <bits/signum.h> + +#define JUMPTARGET(name) name + +/* The following are defined in linux/sched.h, which unfortunately */ +/* is not safe for inclusion in an assembly file. */ +#define CLONE_VM 0x00000100 /* set if VM shared between processes */ +#define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */ + +/* pid_t vfork(void); */ +/* Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0) */ + +ENTRY(__vfork) + SINGLE_THREAD_P +(p6) br.cond.spnt.few HIDDEN_JUMPTARGET (__fork);; + alloc r2=ar.pfs,0,0,2,0 + mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD + mov out1=0 /* Standard sp value. */ + ;; + DO_CALL (SYS_ify (clone)) + cmp.eq p6,p0=-1,r10 + ;; +(p6) br.cond.spnt.few __syscall_error + ret +PSEUDO_END(__vfork) +libc_hidden_def (__vfork) + +weak_alias (__vfork, vfork) |