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/* Copyright (C) 1992, 1995, 1997, 1999 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
extern pid_t __syscall_fork __P ((void));
#ifdef __NR_vfork
extern pid_t __syscall_vfork __P ((void));
/* Use the system call. If it's not available, fork is close enough. */
pid_t
__vfork __P ((void))
{
pid_t retval = INLINE_SYSCALL (vfork, 0);
if (retval == (pid_t) -1 && errno == ENOSYS)
retval = INLINE_SYSCALL (fork, 0);
return retval;
}
#else
pid_t
__vfork __P ((void))
{
return INLINE_SYSCALL (fork, 0);
}
#endif
weak_alias (__vfork, vfork)
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