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source: kBuild/trunk/src/kash/redir.h@ 2650

Last change on this file since 2650 was 2424, checked in by bird, 14 years ago

kash: Some S-bahn optimizations.

  • Property svn:eol-style set to LF
  • Property svn:keywords set to Id
File size: 2.3 KB
Line 
1/* $NetBSD: redir.h,v 1.15 2003/08/07 09:05:37 agc Exp $ */
2
3/*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Kenneth Almquist.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)redir.h 8.2 (Berkeley) 5/4/95
35 */
36
37/* flags passed to redirect */
38#define REDIR_PUSH 01 /* save previous values of file descriptors */
39#define REDIR_BACKQ 02 /* save the command output in memory */
40#define REDIR_VFORK 04 /* running under vfork(2), be careful */
41
42union node;
43void redirect(struct shinstance *, union node *, int);
44void popredir(struct shinstance *);
45int fd0_redirected_p(struct shinstance *);
46void clearredir(struct shinstance *, int);
47int copyfd(struct shinstance *, int, int);
48int movefd(struct shinstance *, int, int);
49int movefd_above(struct shinstance *, int, int);
50
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