/* * 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. */ /* * 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 extern struct process *pcurrjob; /* current job */
