Import the latest version of the 44BSD C-shell -- tcsh-6.09.

1 files changed, 137 insertions, 0 deletions

diff --git a/contrib/tcsh/sh.proc.h b/contrib/tcsh/sh.proc.h
new file mode 100644
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@@ -0,0 +1,137 @@
+/* $Header: /src/pub/tcsh/sh.proc.h,v 3.9 1997/10/27 22:44:32 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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_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;		/* first PMAXLEN chars of 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	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 proclist IZERO_STRUCT;/* list head of all processes */
+EXTERN bool    pnoprocesses IZERO;	/* pchild found nothing to wait for */
+
+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 */
+
+#ifndef BSDTIMES
+EXTERN bool    timesdone;	/* shtimes buffer full ? */
+#endif /* BSDTIMES */
+
+#endif /* _h_sh_proc */