diff options
Diffstat (limited to 'usr/src/cmd/csh/sh.proc.h')
| -rw-r--r-- | usr/src/cmd/csh/sh.proc.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/usr/src/cmd/csh/sh.proc.h b/usr/src/cmd/csh/sh.proc.h new file mode 100644 index 0000000000..63e39ef437 --- /dev/null +++ b/usr/src/cmd/csh/sh.proc.h @@ -0,0 +1,95 @@ +/* + * Copyright 1999 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 */ + +int psigint(); +struct process *pgetcurr(); +struct process *plookup(); +struct process *pfind(); |