1 /* Copyright (C) 2005 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, see
16 <http://www.gnu.org/licenses/>. */
18 /* vfork() is just a special case of clone(). */
20 #include <sys/syscall.h>
31 FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
32 GPOFF= FRAMESZ-(1*SZREG)
33 NESTED(__vfork,FRAMESZ,sp)
38 SETUP_GP64 (a5, __vfork)
45 li a0, 0x4112 /* CLONE_VM | CLONE_VFORK | SIGCHLD */
48 /* Do the system call */
54 /* Successful return from the parent or child. */
59 /* Something bad happened -- no child created. */
63 PTR_LA t9, __syscall_error
72 weak_alias(__vfork,vfork)
73 libc_hidden_def(vfork)