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Diffstat (limited to 'contrib/tcsh/sh.proc.h')
| -rw-r--r-- | contrib/tcsh/sh.proc.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/contrib/tcsh/sh.proc.h b/contrib/tcsh/sh.proc.h new file mode 100644 index 0000000..bb59dd6 --- /dev/null +++ b/contrib/tcsh/sh.proc.h @@ -0,0 +1,128 @@ +/* $Header: /p/tcsh/cvsroot/tcsh/sh.proc.h,v 3.15 2011/04/14 18:25:25 christos Exp $ */ +/* + * sh.proc.h: Process data structures and variables + */ +/*- + * Copyright (c) 1980, 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#ifndef _h_sh_proc +#define _h_sh_proc +/* + * 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) */ + unsigned long p_flags; /* various job status flags */ + unsigned char p_reason; /* reason for entering this state */ + int p_index; /* shorthand job index */ + pid_t p_parentid; /* parent pid */ + pid_t p_procid; + pid_t p_jobid; /* pid of job leader */ + /* if a job is stopped/background p_jobid gives its pgrp */ +#ifdef BSDTIMES + struct timeval p_btime; /* begin time */ + struct timeval p_etime; /* end time */ + struct sysrusage p_rusage; +#else /* BSDTIMES */ +# ifdef _SEQUENT_ + timeval_t p_btime; /* begin time */ + timeval_t p_etime; /* end time */ + struct process_stats p_rusage; +# else /* _SEQUENT_ */ +# ifndef POSIX + time_t p_btime; /* begin time */ + time_t p_etime; /* end time */ + time_t p_utime; /* user time */ + time_t p_stime; /* system time */ +# else /* POSIX */ + clock_t p_btime; /* begin time */ + clock_t p_etime; /* end time */ + clock_t p_utime; /* user time */ + clock_t p_stime; /* system time */ +# endif /* POSIX */ +# endif /* _SEQUENT_ */ +#endif /* BSDTIMES */ + Char *p_command; /* command */ +}; + +/* 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 PBACKQ (1<<16) /* Process is `` evaluation */ +#define PHUP (1<<17) /* Process is marked for SIGHUP on exit */ +#define PBRACE (1<<18) /* Process is {} evaluation */ + +/* 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 proclist IZERO_STRUCT;/* list head of all processes */ + +EXTERN struct process *pholdjob IZERO; /* one level stack of current jobs */ + +EXTERN struct process *pcurrjob IZERO; /* current job */ +EXTERN struct process *pcurrent IZERO; /* current job in table */ +EXTERN struct process *pprevious IZERO; /* previous job in table */ + +EXTERN int pmaxindex IZERO; /* current maximum job index */ + +#endif /* _h_sh_proc */ |
