jobs.c (b97fa2ef508bb1cc99621edb8b6d03845b55b8bd) jobs.c (afb033d5c4f01a464f57fe8e68d741246d9df492)
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

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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
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

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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $Id$
36 * $Id: jobs.c,v 1.12 1997/02/22 13:58:29 peter Exp $
37 */
38
39#ifndef lint
40static char const sccsid[] = "@(#)jobs.c 8.5 (Berkeley) 5/4/95";
41#endif /* not lint */
42
43#include <fcntl.h>
44#include <signal.h>

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51#include <sys/wait.h>
52#include <sys/time.h>
53#include <sys/resource.h>
54#endif
55#include <sys/ioctl.h>
56
57#include "shell.h"
58#if JOBS
37 */
38
39#ifndef lint
40static char const sccsid[] = "@(#)jobs.c 8.5 (Berkeley) 5/4/95";
41#endif /* not lint */
42
43#include <fcntl.h>
44#include <signal.h>

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51#include <sys/wait.h>
52#include <sys/time.h>
53#include <sys/resource.h>
54#endif
55#include <sys/ioctl.h>
56
57#include "shell.h"
58#if JOBS
59#ifdef OLD_TTY_DRIVER
59#if OLD_TTY_DRIVER
60#include "sgtty.h"
61#else
62#include <termios.h>
63#endif
64#undef CEOF /* syntax.h redefines this */
65#endif
66#include "redir.h"
67#include "show.h"

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435 * Convert a job name to a job structure.
436 */
437
438STATIC struct job *
439getjob(name)
440 char *name;
441 {
442 int jobno;
60#include "sgtty.h"
61#else
62#include <termios.h>
63#endif
64#undef CEOF /* syntax.h redefines this */
65#endif
66#include "redir.h"
67#include "show.h"

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435 * Convert a job name to a job structure.
436 */
437
438STATIC struct job *
439getjob(name)
440 char *name;
441 {
442 int jobno;
443 register struct job *jp;
443 struct job *jp;
444 int pid;
445 int i;
446
447 if (name == NULL) {
448#if JOBS
449currentjob:
450 if ((jobno = curjob) == 0 || jobtab[jobno - 1].used == 0)
451 error("No current job");

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459 if (jobno > 0 && jobno <= njobs
460 && jobtab[jobno - 1].used != 0)
461 return &jobtab[jobno - 1];
462#if JOBS
463 } else if (name[1] == '%' && name[2] == '\0') {
464 goto currentjob;
465#endif
466 } else {
444 int pid;
445 int i;
446
447 if (name == NULL) {
448#if JOBS
449currentjob:
450 if ((jobno = curjob) == 0 || jobtab[jobno - 1].used == 0)
451 error("No current job");

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459 if (jobno > 0 && jobno <= njobs
460 && jobtab[jobno - 1].used != 0)
461 return &jobtab[jobno - 1];
462#if JOBS
463 } else if (name[1] == '%' && name[2] == '\0') {
464 goto currentjob;
465#endif
466 } else {
467 register struct job *found = NULL;
467 struct job *found = NULL;
468 for (jp = jobtab, i = njobs ; --i >= 0 ; jp++) {
469 if (jp->used && jp->nprocs > 0
470 && prefix(name + 1, jp->ps[0].cmd)) {
471 if (found)
472 error("%s: ambiguous", name);
473 found = jp;
474 }
475 }

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681 * Unfortunately, some programs want to do a bit of cleanup and then
682 * exit on interrupt; unless these processes terminate themselves by
683 * sending a signal to themselves (instead of calling exit) they will
684 * confuse this approach.
685 */
686
687int
688waitforjob(jp)
468 for (jp = jobtab, i = njobs ; --i >= 0 ; jp++) {
469 if (jp->used && jp->nprocs > 0
470 && prefix(name + 1, jp->ps[0].cmd)) {
471 if (found)
472 error("%s: ambiguous", name);
473 found = jp;
474 }
475 }

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681 * Unfortunately, some programs want to do a bit of cleanup and then
682 * exit on interrupt; unless these processes terminate themselves by
683 * sending a signal to themselves (instead of calling exit) they will
684 * confuse this approach.
685 */
686
687int
688waitforjob(jp)
689 register struct job *jp;
689 struct job *jp;
690 {
691#if JOBS
692 int mypgrp = getpgrp();
693#endif
694 int status;
695 int st;
696
697 INTOFF;

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902
903/*
904 * return 1 if there are stopped jobs, otherwise 0
905 */
906int job_warning = 0;
907int
908stoppedjobs()
909{
690 {
691#if JOBS
692 int mypgrp = getpgrp();
693#endif
694 int status;
695 int st;
696
697 INTOFF;

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902
903/*
904 * return 1 if there are stopped jobs, otherwise 0
905 */
906int job_warning = 0;
907int
908stoppedjobs()
909{
910 register int jobno;
911 register struct job *jp;
910 int jobno;
911 struct job *jp;
912
913 if (job_warning)
914 return (0);
915 for (jobno = 1, jp = jobtab; jobno <= njobs; jobno++, jp++) {
916 if (jp->used == 0)
917 continue;
918 if (jp->state == JOBSTOPPED) {
919 out2str("You have stopped jobs.\n");

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1075}
1076
1077
1078
1079STATIC void
1080cmdputs(s)
1081 char *s;
1082 {
912
913 if (job_warning)
914 return (0);
915 for (jobno = 1, jp = jobtab; jobno <= njobs; jobno++, jp++) {
916 if (jp->used == 0)
917 continue;
918 if (jp->state == JOBSTOPPED) {
919 out2str("You have stopped jobs.\n");

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1075}
1076
1077
1078
1079STATIC void
1080cmdputs(s)
1081 char *s;
1082 {
1083 register char *p, *q;
1084 register char c;
1083 char *p, *q;
1084 char c;
1085 int subtype = 0;
1086
1087 if (cmdnleft <= 0)
1088 return;
1089 p = s;
1090 q = cmdnextc;
1091 while ((c = *p++) != '\0') {
1092 if (c == CTLESC)

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1086
1087 if (cmdnleft <= 0)
1088 return;
1089 p = s;
1090 q = cmdnextc;
1091 while ((c = *p++) != '\0') {
1092 if (c == CTLESC)

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