1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Kenneth Almquist.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)jobs.h	8.2 (Berkeley) 5/4/95
33 * $FreeBSD$
34 */
35
36/* Mode argument to forkshell.  Don't change FORK_FG or FORK_BG. */
37#define FORK_FG 0
38#define FORK_BG 1
39#define FORK_NOJOB 2
40
41#include <signal.h>		/* for sig_atomic_t */
42
43struct job;
44
45enum {
46	SHOWJOBS_DEFAULT,	/* job number, status, command */
47	SHOWJOBS_VERBOSE,	/* job number, PID, status, command */
48	SHOWJOBS_PIDS,		/* PID only */
49	SHOWJOBS_PGIDS		/* PID of the group leader only */
50};
51
52extern int job_warning;		/* user was warned about stopped jobs */
53
54void setjobctl(int);
55void showjobs(int, int);
56struct job *makejob(union node *, int);
57pid_t forkshell(struct job *, union node *, int);
58pid_t vforkexecshell(struct job *, char **, char **, const char *, int, int []);
59int waitforjob(struct job *, int *);
60int stoppedjobs(void);
61int backgndpidset(void);
62pid_t backgndpidval(void);
63char *commandtext(union node *);
64
65#if ! JOBS
66#define setjobctl(on)	/* do nothing */
67#endif
68