1 /* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <bits/signum.h>
24 /* The following are defined in linux/sched.h, which unfortunately */
25 /* is not safe for inclusion in an assembly file. */
26 #define CLONE_VM 0x00000100 /* set if VM shared between processes */
27 #define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */
29 /* pid_t vfork(void); */
30 /* Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0) */
33 alloc r2=ar.pfs,0,0,2,0
34 mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD
35 mov out1=0 /* Standard sp value. */
37 DO_CALL_VIA_BREAK (SYS_ify (clone))
39 (p6) br.cond.spnt.few __syscall_error
42 libc_hidden_def (__vfork)
44 weak_alias (__vfork, vfork)