114 lines
3.9 KiB
C
Executable File
114 lines
3.9 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)sh.proc.h 1.2 90/03/13 SMI" /* SVr4.0 1.2 */
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/*******************************************************************
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PROPRIETARY NOTICE (Combined)
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This source code is unpublished proprietary information
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constituting, or derived under license from AT&T's UNIX(r) System V.
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In addition, portions of such source code were derived from Berkeley
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4.3 BSD under license from the Regents of the University of
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California.
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Copyright Notice
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Notice of copyright on this source code product does not indicate
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publication.
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(c) 1986,1987,1988,1989 Sun Microsystems, Inc
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(c) 1983,1984,1985,1986,1987,1988,1989 AT&T.
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All rights reserved.
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********************************************************************/
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/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley Software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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/*
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* C shell - process structure declarations
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*/
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/*
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* Structure for each process the shell knows about:
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* allocated and filled by pcreate.
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* flushed by pflush; freeing always happens at top level
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* so the interrupt level has less to worry about.
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* processes are related to "friends" when in a pipeline;
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* p_friends links makes a circular list of such jobs
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*/
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struct process {
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struct process *p_next; /* next in global "proclist" */
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struct process *p_friends; /* next in job list (or self) */
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struct directory *p_cwd; /* cwd of the job (only in head) */
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short unsigned p_flags; /* various job status flags */
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tchar p_reason; /* reason for entering this state */
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tchar p_index; /* shorthand job index */
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int p_pid;
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int p_jobid; /* pid of job leader */
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/* if a job is stopped/background p_jobid gives its pgrp */
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struct timeval p_btime; /* begin time */
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struct timeval p_etime; /* end time */
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struct rusage p_rusage;
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tchar *p_command; /* first PMAXLEN chars of command */
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};
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/* flag values for p_flags */
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#define PRUNNING (1<<0) /* running */
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#define PSTOPPED (1<<1) /* stopped */
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#define PNEXITED (1<<2) /* normally exited */
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#define PAEXITED (1<<3) /* abnormally exited */
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#define PSIGNALED (1<<4) /* terminated by a signal != SIGINT */
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#define PALLSTATES (PRUNNING|PSTOPPED|PNEXITED|PAEXITED|PSIGNALED|PINTERRUPTED)
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#define PNOTIFY (1<<5) /* notify async when done */
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#define PTIME (1<<6) /* job times should be printed */
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#define PAWAITED (1<<7) /* top level is waiting for it */
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#define PFOREGND (1<<8) /* started in shells pgrp */
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#define PDUMPED (1<<9) /* process dumped core */
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#define PDIAG (1<<10) /* diagnostic output also piped out */
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#define PPOU (1<<11) /* piped output */
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#define PREPORTED (1<<12) /* status has been reported */
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#define PINTERRUPTED (1<<13) /* job stopped via interrupt signal */
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#define PPTIME (1<<14) /* time individual process */
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#define PNEEDNOTE (1<<15) /* notify as soon as practical */
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#define PNULL (struct process *)0
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#define PMAXLEN 80
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/* defines for arguments to pprint */
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#define NUMBER 01
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#define NAME 02
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#define REASON 04
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#define AMPERSAND 010
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#define FANCY 020
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#define SHELLDIR 040 /* print shell's dir if not the same */
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#define JOBDIR 0100 /* print job's dir if not the same */
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#define AREASON 0200
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struct process proclist; /* list head of all processes */
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bool pnoprocesses; /* pchild found nothing to wait for */
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struct process *pholdjob; /* one level stack of current jobs */
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struct process *pcurrjob; /* current job */
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struct process *pcurrent; /* current job in table */
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struct process *pprevious; /* previous job in table */
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short pmaxindex; /* current maximum job index */
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int psigint();
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struct process *pgetcurr();
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struct process *plookup();
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struct process *pfind();
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