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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
commit29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc (patch)
tree63ef546b10a81d461e5cf5ed9e98a68cd7dee1aa /src/kash/jobs.h
parentInitial commit. (diff)
downloadkbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.tar.xz
kbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.zip
Adding upstream version 1:0.1.9998svn3589+dfsg.upstream/1%0.1.9998svn3589+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/kash/jobs.h')
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+/* $NetBSD: jobs.h,v 1.19 2003/11/27 21:16:14 dsl Exp $ */
+
+/*-
+ * 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
+ */
+
+#include "output.h"
+
+/* Mode argument to forkshell. Don't change FORK_FG or FORK_BG. */
+#define FORK_FG 0
+#define FORK_BG 1
+#define FORK_NOJOB 2
+
+#define FORK_JUST_IO 4 /* forking I/O subprocess/thread (here doc). */
+
+/* mode flags for showjob(s) */
+#define SHOW_PGID 0x01 /* only show pgid - for jobs -p */
+#define SHOW_MULTILINE 0x02 /* one line per process */
+#define SHOW_PID 0x04 /* include process pid */
+#define SHOW_CHANGED 0x08 /* only jobs whose state has changed */
+#define SHOW_SIGNALLED 0x10 /* only if stopped/exited on signal */
+#define SHOW_ISSIG 0x20 /* job was signalled */
+#define SHOW_NO_FREE 0x40 /* do not free job */
+
+
+/*
+ * A job structure contains information about a job. A job is either a
+ * single process or a set of processes contained in a pipeline. In the
+ * latter case, pidlist will be non-NULL, and will point to a -1 terminated
+ * array of pids.
+ */
+#define MAXCMDTEXT 200
+
+struct procstat {
+ shpid pid; /* process id */
+ int status; /* last process status from wait() */
+ char cmd[MAXCMDTEXT];/* text of command being run */
+};
+
+struct job {
+ struct procstat ps0; /* status of process */
+ struct procstat *ps; /* status or processes when more than one */
+ int nprocs; /* number of processes */
+ shpid pgrp; /* process group of this job */ /**< @todo is job:pgrp used anywhere? */
+ char state;
+#define JOBRUNNING 0 /* at least one proc running */
+#define JOBSTOPPED 1 /* all procs are stopped */
+#define JOBDONE 2 /* all procs are completed */
+ char used; /* true if this entry is in used */
+ char changed; /* true if status has changed */
+#if JOBS
+ char jobctl; /* job running under job control */
+ int prev_job; /* previous job index */
+#endif
+};
+
+/*extern pid_t backgndpid;*/ /* pid of last background process */
+/*extern int job_warning;*/ /* user was warned about stopped jobs */
+
+void setjobctl(struct shinstance *, int);
+int fgcmd(struct shinstance *, int, char **);
+int bgcmd(struct shinstance *, int, char **);
+int jobscmd(struct shinstance *, int, char **);
+void showjobs(struct shinstance *, struct output *, int);
+int waitcmd(struct shinstance *, int, char **);
+int jobidcmd(struct shinstance *, int, char **);
+union node;
+struct job *makejob(struct shinstance *, union node *, int);
+#ifdef KASH_USE_FORKSHELL2
+shpid forkshell2(struct shinstance *, struct job *, union node *, int,
+ int (*child)(struct shinstance *, void *, union node *),
+ union node *, void *, size_t,
+ void (*setupchild)(struct shinstance *, struct shinstance *, void *));
+#else
+shpid forkshell(struct shinstance *, struct job *, union node *, int);
+#endif
+int waitforjob(struct shinstance *, struct job *);
+int stoppedjobs(struct shinstance *);
+void commandtext(struct shinstance *, struct procstat *, union node *);
+shpid getjobpgrp(struct shinstance *, const char *);
+
+#if ! JOBS
+#define setjobctl(psh, on) /* do nothing */
+#endif