glibc/sysdeps/mach/hurd/getppid.c

35 lines
1.1 KiB
C
Raw Normal View History

1995-02-18 02:27:10 +01:00
/* Copyright (C) 1991, 1993, 1995 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <hurd.h>
/* Get the parent process ID of the calling process. */
pid_t
DEFUN_VOID(__getppid)
{
/* Assumes atomic word fetch and store, so doesn't lock _hurd_pid_lock. */
return _hurd_ppid;
}
weak_alias (__getppid, getppid)