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- /* vfork for Linux, RISC-V version.
- Copyright (C) 2005-2018 Free Software Foundation, Inc.
- 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, see
- <http://www.gnu.org/licenses/>. */
- /* vfork() is just a special case of clone(). */
- #include <sys/asm.h>
- #include <sysdep.h>
- #define __ASSEMBLY__
- #include <linux/sched.h>
- #include <asm/signal.h>
- .text
- LEAF (__vfork)
- li a0, (CLONE_VFORK | CLONE_VM | SIGCHLD)
- mv a1, sp
- li a7, __NR_clone
- scall
- bltz a0, 1f
- ret
- 1: j __syscall_error
- END (__vfork)
- libc_hidden_def(vfork)
- weak_alias (__vfork, vfork)
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