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/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Kenneth Almquist.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)jobs.h	8.2 (Berkeley) 5/4/95
 * $FreeBSD: releng/12.0/bin/sh/jobs.h 327475 2018-01-01 22:31:52Z jilles $
 */

/* Mode argument to forkshell.  Don't change FORK_FG or FORK_BG. */
#define FORK_FG 0
#define FORK_BG 1
#define FORK_NOJOB 2

#include <signal.h>		/* for sig_atomic_t */

struct job;

enum {
	SHOWJOBS_DEFAULT,	/* job number, status, command */
	SHOWJOBS_VERBOSE,	/* job number, PID, status, command */
	SHOWJOBS_PIDS,		/* PID only */
	SHOWJOBS_PGIDS		/* PID of the group leader only */
};

extern int job_warning;		/* user was warned about stopped jobs */

void setjobctl(int);
void showjobs(int, int);
struct job *makejob(union node *, int);
pid_t forkshell(struct job *, union node *, int);
pid_t vforkexecshell(struct job *, char **, char **, const char *, int, int []);
int waitforjob(struct job *, int *);
int stoppedjobs(void);
int backgndpidset(void);
pid_t backgndpidval(void);
char *commandtext(union node *);

#if ! JOBS
#define setjobctl(on)	/* do nothing */
#endif
avoids flicker from clearing to black for each frame. 2018-02-05Rewrite gfxx bit handlingJune McEnroe Specifies how many bits for each of "alpha" (ignored), red, green, blue. Separates byte-order and bit-order. Much more flexible, but now won't render CARDS.DLL graphics properly due to the skip bit being not where it expects. Also mmaps the file instead of reading it all in. And the default palette and sampling got removed again for now, since it's too awkward to use. 2018-02-05Add flip option to gfxxJune McEnroe This handles upside-down graphics much better than reverse did. 2018-02-05Remove gfxx reverse optionJune McEnroe 2018-02-04Fix gfxx draw stop conditionJune McEnroe Would not draw the last partially visible column when mirrored. 2018-02-04Reuse CGColorSpace and CGDataProvider in gfcocoaJune McEnroe 2018-02-04Mark mac target phonyJune McEnroe 2018-02-04Set up Makefile for gfxx-cocoa or gfxx-fbJune McEnroe 2018-02-04Avoid doing excessive work in gfxxJune McEnroe By stopping when the next column would be off the edge of the buffer. 2018-02-04Handle window resizing in gfcocoaJune McEnroe 2018-02-04Set cinoptionsJune McEnroe 2018-02-04Tweak colorscheme moreJune McEnroe 2018-02-04Color MatchParen DarkYellowJune McEnroe White is not obvious enough. 2018-02-04Add palette sampling to gfxxJune McEnroe 2018-02-04Add 4-bit RGB to gfxxJune McEnroe Replace default palette with alternating black and white. 2018-02-04Add Quit menu item to gfcocoaJune McEnroe 2018-02-04Switch back to sane Objective-C styleJune McEnroe 2018-02-04Quit gfcocoa when window closesJune McEnroe 2018-02-03Apparently this is how people write Objective-CJune McEnroe