2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
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36 * @(#)jobs.h 8.2 (Berkeley) 5/4/95
37 * $FreeBSD: head/bin/sh/jobs.h 238470 2012-07-15 10:49:16Z jilles $
40 /* Mode argument to forkshell. Don't change FORK_FG or FORK_BG. */
45 #include <signal.h> /* for sig_atomic_t */
48 * A job structure contains information about a job. A job is either a
49 * single process or a set of processes contained in a pipeline. In the
50 * latter case, pidlist will be non-NULL, and will point to a -1 terminated
55 pid_t pid; /* process id */
56 int status; /* status flags (defined above) */
57 char *cmd; /* text of command being run */
62 #define JOBSTOPPED 1 /* all procs are stopped */
63 #define JOBDONE 2 /* all procs are completed */
67 struct procstat ps0; /* status of process */
68 struct procstat *ps; /* status or processes when more than one */
69 short nprocs; /* number of processes */
70 pid_t pgrp; /* process group of this job */
71 char state; /* true if job is finished */
72 char used; /* true if this entry is in used */
73 char changed; /* true if status has changed */
74 char foreground; /* true if running in the foreground */
75 char remembered; /* true if $! referenced */
77 char jobctl; /* job running under job control */
78 struct job *next; /* job used after this one */
83 SHOWJOBS_DEFAULT, /* job number, status, command */
84 SHOWJOBS_VERBOSE, /* job number, PID, status, command */
85 SHOWJOBS_PIDS, /* PID only */
86 SHOWJOBS_PGIDS /* PID of the group leader only */
89 extern int job_warning; /* user was warned about stopped jobs */
90 extern int in_waitcmd; /* are we in waitcmd()? */
91 extern volatile sig_atomic_t breakwaitcmd; /* break wait to process traps? */
94 void showjobs(int, int);
95 pid_t getjobpgrp(char *);
96 struct job *makejob(union node *, int);
97 pid_t forkshell(struct job *, union node *, int);
98 pid_t vforkexecshell(struct job *, char **, char **, const char *, int, int []);
99 int waitforjob(struct job *, int *);
100 int stoppedjobs(void);
101 int backgndpidset(void);
102 pid_t backgndpidval(void);
103 char *commandtext(union node *);
106 #define setjobctl(on) /* do nothing */