14b88c807SRodney W. Grimes /*- 24b88c807SRodney W. Grimes * Copyright (c) 1991, 1993 34b88c807SRodney W. Grimes * The Regents of the University of California. All rights reserved. 44b88c807SRodney W. Grimes * 54b88c807SRodney W. Grimes * This code is derived from software contributed to Berkeley by 64b88c807SRodney W. Grimes * Kenneth Almquist. 74b88c807SRodney W. Grimes * 84b88c807SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 94b88c807SRodney W. Grimes * modification, are permitted provided that the following conditions 104b88c807SRodney W. Grimes * are met: 114b88c807SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 124b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 134b88c807SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 144b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 154b88c807SRodney W. Grimes * documentation and/or other materials provided with the distribution. 16fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 174b88c807SRodney W. Grimes * may be used to endorse or promote products derived from this software 184b88c807SRodney W. Grimes * without specific prior written permission. 194b88c807SRodney W. Grimes * 204b88c807SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 214b88c807SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 224b88c807SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 234b88c807SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 244b88c807SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 254b88c807SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 264b88c807SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 274b88c807SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 284b88c807SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 294b88c807SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 304b88c807SRodney W. Grimes * SUCH DAMAGE. 314b88c807SRodney W. Grimes */ 324b88c807SRodney W. Grimes 334b88c807SRodney W. Grimes /* Mode argument to forkshell. Don't change FORK_FG or FORK_BG. */ 344b88c807SRodney W. Grimes #define FORK_FG 0 354b88c807SRodney W. Grimes #define FORK_BG 1 364b88c807SRodney W. Grimes #define FORK_NOJOB 2 374b88c807SRodney W. Grimes 381f40b47bSMartin Cracauer #include <signal.h> /* for sig_atomic_t */ 394b88c807SRodney W. Grimes 40b0125116SJilles Tjoelker struct job; 414b88c807SRodney W. Grimes 42de37e41cSStefan Farfeleder enum { 43de37e41cSStefan Farfeleder SHOWJOBS_DEFAULT, /* job number, status, command */ 44de37e41cSStefan Farfeleder SHOWJOBS_VERBOSE, /* job number, PID, status, command */ 45de37e41cSStefan Farfeleder SHOWJOBS_PIDS, /* PID only */ 46de37e41cSStefan Farfeleder SHOWJOBS_PGIDS /* PID of the group leader only */ 47de37e41cSStefan Farfeleder }; 48de37e41cSStefan Farfeleder 494b88c807SRodney W. Grimes extern int job_warning; /* user was warned about stopped jobs */ 504b88c807SRodney W. Grimes 515134c3f7SWarner Losh void setjobctl(int); 52de37e41cSStefan Farfeleder void showjobs(int, int); 535134c3f7SWarner Losh struct job *makejob(union node *, int); 54b80be282STim J. Robbins pid_t forkshell(struct job *, union node *, int); 55*10297a9eSJohn Baldwin pid_t vforkexecshell(struct job *, char **, char **, const char *, int, int [2]); 565134c3f7SWarner Losh int waitforjob(struct job *, int *); 575134c3f7SWarner Losh int stoppedjobs(void); 58ed4c3b5fSJilles Tjoelker int backgndpidset(void); 59ed4c3b5fSJilles Tjoelker pid_t backgndpidval(void); 605134c3f7SWarner Losh char *commandtext(union node *); 614b88c807SRodney W. Grimes 624b88c807SRodney W. Grimes #if ! JOBS 634b88c807SRodney W. Grimes #define setjobctl(on) /* do nothing */ 644b88c807SRodney W. Grimes #endif 65