gcc/libiberty/pex-common.h
Ian Lance Taylor fed8129b15 pex-unix.c (pexecute): Use vfork instead of fork, with appropriate changes to make this safe.
* pex-unix.c (pexecute): Use vfork instead of fork, with
	appropriate changes to make this safe.
	* pex-common.h (STDERR_FILE_NO): Define.

From-SVN: r79617
2004-03-18 03:16:37 +00:00

46 lines
1.4 KiB
C

/* Utilities to execute a program in a subprocess (possibly linked by pipes
with other subprocesses), and wait for it. Shared logic.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty 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.
Libiberty 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 libiberty; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef PEX_COMMON_H
#define PEX_COMMON_H
#include "config.h"
#include "libiberty.h"
#define install_error_msg "installation problem, cannot exec `%s'"
/* stdin file number. */
#define STDIN_FILE_NO 0
/* stdout file number. */
#define STDOUT_FILE_NO 1
/* stderr file number. */
#define STDERR_FILE_NO 2
/* value of `pipe': port index for reading. */
#define READ_PORT 0
/* value of `pipe': port index for writing. */
#define WRITE_PORT 1
#endif