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/* 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>
/* 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)
#ifdef SHARED
addl r14 = @gprel(__libc_pthread_functions#), gp;;
#else
.weak pthread_create
addl r14 = @ltoff(@fptr(pthread_create#)), gp;;
#endif
ld8 r14 = [r14];;
cmp.ne p6, p7 = 0, r14
(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)
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