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      1    0  stevel /*
      2  356  muffin  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
      3    0  stevel  * Use is subject to license terms.
      4    0  stevel  */
      5    0  stevel 
      6    0  stevel /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
      7    0  stevel /*	  All Rights Reserved  	*/
      8    0  stevel 
      9    0  stevel /*
     10    0  stevel  * Copyright (c) 1980 Regents of the University of California.
     11    0  stevel  * All rights reserved. The Berkeley Software License Agreement
     12    0  stevel  * specifies the terms and conditions for redistribution.
     13    0  stevel  */
     14    0  stevel 
     15    0  stevel #pragma ident	"%Z%%M%	%I%	%E% SMI"
     16    0  stevel 
     17    0  stevel /*
     18    0  stevel  * C shell - process structure declarations
     19    0  stevel  */
     20    0  stevel 
     21    0  stevel /*
     22    0  stevel  * Structure for each process the shell knows about:
     23    0  stevel  *	allocated and filled by pcreate.
     24    0  stevel  *	flushed by pflush; freeing always happens at top level
     25    0  stevel  *	    so the interrupt level has less to worry about.
     26    0  stevel  *	processes are related to "friends" when in a pipeline;
     27    0  stevel  *	    p_friends links makes a circular list of such jobs
     28    0  stevel  */
     29    0  stevel struct process	{
     30    0  stevel 	struct	process *p_next;	/* next in global "proclist" */
     31    0  stevel 	struct	process	*p_friends;	/* next in job list (or self) */
     32    0  stevel 	struct	directory *p_cwd;	/* cwd of the job (only in head) */
     33    0  stevel 	short	unsigned p_flags;	/* various job status flags */
     34    0  stevel  tchar p_reason;		/* reason for entering this state */
     35    0  stevel  tchar p_index;		/* shorthand job index */
     36    0  stevel 	int	p_pid;
     37    0  stevel 	int	p_jobid;		/* pid of job leader */
     38    0  stevel 	/* if a job is stopped/background p_jobid gives its pgrp */
     39    0  stevel 	struct	timeval p_btime;	/* begin time */
     40    0  stevel 	struct	timeval p_etime;	/* end time */
     41    0  stevel 	struct	rusage p_rusage;
     42    0  stevel  tchar *p_command;		/* first PMAXLEN chars of command */
     43    0  stevel };
     44    0  stevel 
     45    0  stevel /* added for status */
     46    0  stevel #define	ABN_TERM	0200
     47    0  stevel 
     48    0  stevel /* flag values for p_flags */
     49    0  stevel #define	PRUNNING	(1<<0)		/* running */
     50    0  stevel #define	PSTOPPED	(1<<1)		/* stopped */
     51    0  stevel #define	PNEXITED	(1<<2)		/* normally exited */
     52    0  stevel #define	PAEXITED	(1<<3)		/* abnormally exited */
     53    0  stevel #define	PSIGNALED	(1<<4)		/* terminated by a signal != SIGINT */
     54    0  stevel 
     55    0  stevel #define	PALLSTATES	(PRUNNING|PSTOPPED|PNEXITED|PAEXITED|PSIGNALED|PINTERRUPTED)
     56    0  stevel #define	PNOTIFY		(1<<5)		/* notify async when done */
     57    0  stevel #define	PTIME		(1<<6)		/* job times should be printed */
     58    0  stevel #define	PAWAITED	(1<<7)		/* top level is waiting for it */
     59    0  stevel #define	PFOREGND	(1<<8)		/* started in shells pgrp */
     60    0  stevel #define	PDUMPED		(1<<9)		/* process dumped core */
     61    0  stevel #define	PDIAG		(1<<10)		/* diagnostic output also piped out */
     62    0  stevel #define	PPOU		(1<<11)		/* piped output */
     63    0  stevel #define	PREPORTED	(1<<12)		/* status has been reported */
     64    0  stevel #define	PINTERRUPTED	(1<<13)		/* job stopped via interrupt signal */
     65    0  stevel #define	PPTIME		(1<<14)		/* time individual process */
     66    0  stevel #define	PNEEDNOTE	(1<<15)		/* notify as soon as practical */
     67    0  stevel 
     68    0  stevel #define	PNULL		(struct process *)0
     69    0  stevel #define	PMAXLEN		80
     70    0  stevel 
     71    0  stevel /* defines for arguments to pprint */
     72    0  stevel #define	NUMBER		01
     73    0  stevel #define	NAME		02
     74    0  stevel #define	REASON		04
     75    0  stevel #define	AMPERSAND	010
     76    0  stevel #define	FANCY		020
     77    0  stevel #define	SHELLDIR	040		/* print shell's dir if not the same */
     78    0  stevel #define	JOBDIR		0100		/* print job's dir if not the same */
     79    0  stevel #define	AREASON		0200
     80    0  stevel 
     81    0  stevel struct	process	proclist;		/* list head of all processes */
     82    0  stevel bool	pnoprocesses;			/* pchild found nothing to wait for */
     83    0  stevel 
     84    0  stevel struct	process *pholdjob;		/* one level stack of current jobs */
     85    0  stevel 
     86    0  stevel struct	process *pcurrjob;		/* current job */
     87    0  stevel struct	process	*pcurrent;		/* current job in table */
     88    0  stevel struct	process *pprevious;		/* previous job in table */
     89    0  stevel 
     90    0  stevel short	pmaxindex;			/* current maximum job index */
     91