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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley Software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* C shell - process structure declarations
*/
/*
* Structure for each process the shell knows about:
* allocated and filled by pcreate.
* flushed by pflush; freeing always happens at top level
* so the interrupt level has less to worry about.
* processes are related to "friends" when in a pipeline;
* p_friends links makes a circular list of such jobs
*/
struct process {
struct process *p_next; /* next in global "proclist" */
struct process *p_friends; /* next in job list (or self) */
struct directory *p_cwd; /* cwd of the job (only in head) */
short unsigned p_flags; /* various job status flags */
tchar p_reason; /* reason for entering this state */
tchar p_index; /* shorthand job index */
int p_pid;
int p_jobid; /* pid of job leader */
/* if a job is stopped/background p_jobid gives its pgrp */
struct timeval p_btime; /* begin time */
struct timeval p_etime; /* end time */
struct rusage p_rusage;
tchar *p_command; /* first PMAXLEN chars of command */
};
/* added for status */
#define ABN_TERM 0200
/* flag values for p_flags */
#define PRUNNING (1<<0) /* running */
#define PSTOPPED (1<<1) /* stopped */
#define PNEXITED (1<<2) /* normally exited */
#define PAEXITED (1<<3) /* abnormally exited */
#define PSIGNALED (1<<4) /* terminated by a signal != SIGINT */
#define PALLSTATES (PRUNNING|PSTOPPED|PNEXITED|PAEXITED|PSIGNALED|PINTERRUPTED)
#define PNOTIFY (1<<5) /* notify async when done */
#define PTIME (1<<6) /* job times should be printed */
#define PAWAITED (1<<7) /* top level is waiting for it */
#define PFOREGND (1<<8) /* started in shells pgrp */
#define PDUMPED (1<<9) /* process dumped core */
#define PDIAG (1<<10) /* diagnostic output also piped out */
#define PPOU (1<<11) /* piped output */
#define PREPORTED (1<<12) /* status has been reported */
#define PINTERRUPTED (1<<13) /* job stopped via interrupt signal */
#define PPTIME (1<<14) /* time individual process */
#define PNEEDNOTE (1<<15) /* notify as soon as practical */
#define PNULL (struct process *)0
#define PMAXLEN 80
/* defines for arguments to pprint */
#define NUMBER 01
#define NAME 02
#define REASON 04
#define AMPERSAND 010
#define FANCY 020
#define SHELLDIR 040 /* print shell's dir if not the same */
#define JOBDIR 0100 /* print job's dir if not the same */
#define AREASON 0200
struct process proclist; /* list head of all processes */
bool pnoprocesses; /* pchild found nothing to wait for */
struct process *pholdjob; /* one level stack of current jobs */
struct process *pcurrjob; /* current job */
struct process *pcurrent; /* current job in table */
struct process *pprevious; /* previous job in table */
short pmaxindex; /* current maximum job index */
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