date and time created 88/07/21 17:33:43 by marc

[unix-history] / usr / src / local / toolchest / ksh / sh / jobs.h

/*

*      Copyright (c) 1984, 1985, 1986 AT&T
*      All Rights Reserved

*      THIS IS UNPUBLISHED PROPRIETARY SOURCE 
*      CODE OF AT&T.
*      The copyright notice above does not 
*      evidence any actual or intended
*      publication of such source code.

*/
/* @(#)jobs.h   1.1 */

/*
*      UNIX shell
*      S. R. Bourne
*      rewritten by David Korn
*
*/
#ifdef JOBS

# if BSD || RT
# include       <sgtty.h>
# else
#  ifndef CBUNIX
#  include      <termio.h>
#  define _IOCTL_
#  endif /* CBUNIX */
# endif

# ifndef RT
#  ifndef _IOCTL_
#  include      <sys/ioctl.h>
# endif /* _IOCTL_ */
# endif /* RT */

# if u370 || uts
# define MAXJ   75
# else
# define MAXJ   32
# endif /* u370 */

/* JBYTES is the number of char's needed for MAXJ bits */
#define JBYTES  (1+((MAXJ-1)/(8)))

#endif  /* JOBS */


struct process
{
#ifdef JOBS
       struct process *p_next; /* next process structure */
#endif  /* JOBS */
       int     p_pid;
#ifdef JOBS
       int     p_pgrp;                 /* process group */
       unsigned char   p_job;          /* job number of process */
       unsigned char   p_flag;         /* flags - see below */
       unsigned short  p_sig;          /* signal number */
       long    p_name;                 /* offset into history file for command */
# if BSD || RT
       struct sgttyb p_stty;           /* terminal state for job */
# else
#  ifdef CBUNIX
       struct ttiocb p_stty;
       struct termcb p_sterm;
#  else
       struct termio p_stty;           /* terminal state for job */
#  endif /* CBUNIX */
# endif /* BSD */
#endif  /* JOBS */
};

#ifdef JOBS
/* Process states */

#define P_RUNNING       1
#define P_STOPPED       2
#define P_NOTIFY        4
#define P_WAITED        8
#define P_STTY          16
#define P_PIPEJOB       32
#define P_COREDUMP      64

struct jobs
{
       int             cur_pgrp;
       int             mypid;
       short           cur_job;
       short           j_flag;
       int             p_numpost;      /* number of posted jobs */
       int             p_numrun;       /* number of running jobs */
       struct process  *p_pwlist;      /* head of process list */
       unsigned char   p_freejobs[JBYTES];     /* free jobs numbers */
# ifdef SXT
       int             pipe[2];        /* pipe used for synchronization */
       int             maxjob;         /* maximum number of channels */
# endif /* SXT */
};

extern struct jobs jobstat;

#define J_PIPE          1       /* set when setting up a pipeline */
extern MSG      kill_usage;
extern MSG      bkill;
extern MSG      j_Done;
extern MSG      j_Running;
extern MSG      j_amp;
extern MSG      j_coredump;
extern MSG      j_cpid;
extern MSG      j_job;
extern MSG      j_kill;
extern MSG      j_no_jctl;
extern MSG      j_newtty;
extern MSG      j_no_proc;
extern MSG      j_no_job;
extern MSG      j_no_start;
extern MSG      j_not_tty;
extern MSG      j_oldtty;
extern MSG      j_perm;
extern MSG      j_running;
extern MSG      j_space;
extern MSG      j_terminate;
#endif  /* JOBS */
extern int parent;
extern char     *sysmsg[];