1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley Software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 /* 16 * C shell - process structure declarations 17 */ 18 19 /* 20 * Structure for each process the shell knows about: 21 * allocated and filled by pcreate. 22 * flushed by pflush; freeing always happens at top level 23 * so the interrupt level has less to worry about. 24 * processes are related to "friends" when in a pipeline; 25 * p_friends links makes a circular list of such jobs 26 */ 27 struct process { 28 struct process *p_next; /* next in global "proclist" */ 29 struct process *p_friends; /* next in job list (or self) */ 30 struct directory *p_cwd; /* cwd of the job (only in head) */ 31 short unsigned p_flags; /* various job status flags */ 32 tchar p_reason; /* reason for entering this state */ 33 tchar p_index; /* shorthand job index */ 34 int p_pid; 35 int p_jobid; /* pid of job leader */ 36 /* if a job is stopped/background p_jobid gives its pgrp */ 37 struct timeval p_btime; /* begin time */ 38 struct timeval p_etime; /* end time */ 39 struct rusage p_rusage; 40 tchar *p_command; /* first PMAXLEN chars of command */ 41 }; 42 43 /* added for status */ 44 #define ABN_TERM 0200 45 46 /* flag values for p_flags */ 47 #define PRUNNING (1<<0) /* running */ 48 #define PSTOPPED (1<<1) /* stopped */ 49 #define PNEXITED (1<<2) /* normally exited */ 50 #define PAEXITED (1<<3) /* abnormally exited */ 51 #define PSIGNALED (1<<4) /* terminated by a signal != SIGINT */ 52 53 #define PALLSTATES (PRUNNING|PSTOPPED|PNEXITED|PAEXITED|PSIGNALED|PINTERRUPTED) 54 #define PNOTIFY (1<<5) /* notify async when done */ 55 #define PTIME (1<<6) /* job times should be printed */ 56 #define PAWAITED (1<<7) /* top level is waiting for it */ 57 #define PFOREGND (1<<8) /* started in shells pgrp */ 58 #define PDUMPED (1<<9) /* process dumped core */ 59 #define PDIAG (1<<10) /* diagnostic output also piped out */ 60 #define PPOU (1<<11) /* piped output */ 61 #define PREPORTED (1<<12) /* status has been reported */ 62 #define PINTERRUPTED (1<<13) /* job stopped via interrupt signal */ 63 #define PPTIME (1<<14) /* time individual process */ 64 #define PNEEDNOTE (1<<15) /* notify as soon as practical */ 65 66 #define PNULL (struct process *)0 67 #define PMAXLEN 80 68 69 /* defines for arguments to pprint */ 70 #define NUMBER 01 71 #define NAME 02 72 #define REASON 04 73 #define AMPERSAND 010 74 #define FANCY 020 75 #define SHELLDIR 040 /* print shell's dir if not the same */ 76 #define JOBDIR 0100 /* print job's dir if not the same */ 77 #define AREASON 0200 78 79 extern struct process *pcurrjob; /* current job */ 80