usr/src/lib/libast/i386/include/ast/proc.h

   1
   2 /* : : generated by proto : : */
   3 /***********************************************************************
   4 *                                                                      *
   5 *               This software is part of the ast package               *
   6 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   7 *                      and is licensed under the                       *
   8 *                  Common Public License, Version 1.0                  *
   9 *                    by AT&T Intellectual Property                     *
  10 *                                                                      *
  11 *                A copy of the License is available at                 *
  12 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  13 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  14 *                                                                      *
  15 *              Information and Software Systems Research               *
  16 *                            AT&T Research                             *
  17 *                           Florham Park NJ                            *
  18 *                                                                      *
  19 *                 Glenn Fowler <gsf@research.att.com>                  *
  20 *                  David Korn <dgk@research.att.com>                   *
  21 *                   Phong Vo <kpv@research.att.com>                    *
  22 *                                                                      *
  23 ***********************************************************************/
  24
  25
  26 /*
  27  * process library interface
  28  */
  29
  30 #ifndef _PROC_H
  31 #if !defined(__PROTO__)
  32 #include <prototyped.h>
  33 #endif
  34 #if !defined(__LINKAGE__)
  35 #define __LINKAGE__             /* 2004-08-11 transition */
  36 #endif
  37
  38 #define _PROC_H
  39
  40 #include <ast.h>
  41
  42 #define PROC_ARGMOD     (1<<0)  /* argv[-1],argv[0] can be modified     */
  43 #define PROC_BACKGROUND (1<<1)  /* shell background (&) setup           */
  44 #define PROC_CHECK      (1<<17) /* check that command exists            */
  45 #define PROC_CLEANUP    (1<<2)  /* close parent redirect fds on error   */
  46 #define PROC_DAEMON     (1<<3)  /* daemon setup                         */
  47 #define PROC_ENVCLEAR   (1<<4)  /* clear environment                    */
  48 #define PROC_FOREGROUND (1<<14) /* system(3) setup                      */
  49 #define PROC_GID        (1<<5)  /* setgid(getgid())                     */
  50 #define PROC_IGNORE     (1<<6)  /* ignore parent pipe errors            */
  51 #define PROC_IGNOREPATH (1<<16) /* procrun() intercept to ignore path   */
  52 #define PROC_OVERLAY    (1<<7)  /* overlay current process if possible  */
  53 #define PROC_PARANOID   (1<<8)  /* restrict everything                  */
  54 #define PROC_PRIVELEGED (1<<9)  /* setuid(0), setgid(getegid())         */
  55 #define PROC_READ       (1<<10) /* proc pipe fd 1 returned              */
  56 #define PROC_SESSION    (1<<11) /* session leader                       */
  57 #define PROC_UID        (1<<12) /* setuid(getuid())                     */
  58 #define PROC_WRITE      (1<<13) /* proc pipe fd 0 returned              */
  59 #define PROC_ZOMBIE     (1<<15) /* proc may leave a zombie behind       */
  60
  61 #define PROC_ARG_BIT    14      /* bits per op arg                      */
  62 #define PROC_OP_BIT     4       /* bits per op                          */
  63
  64 #define PROC_ARG_NULL   ((1<<PROC_ARG_BIT)-1)
  65
  66 #define PROC_fd_dup     0x4
  67 #define PROC_FD_CHILD   0x1
  68 #define PROC_FD_PARENT  0x2
  69
  70 #define PROC_sig_dfl    0x8
  71 #define PROC_sig_ign    0x9
  72
  73 #define PROC_sys_pgrp   0xa
  74 #define PROC_sys_umask  0xb
  75
  76 #define PROC_op1(o,a)   (((o)<<(2*PROC_ARG_BIT))|((a)&((PROC_ARG_NULL<<PROC_ARG_BIT)|PROC_ARG_NULL)))
  77 #define PROC_op2(o,a,b) (((o)<<(2*PROC_ARG_BIT))|(((b)&PROC_ARG_NULL)<<PROC_ARG_BIT)|((a)&PROC_ARG_NULL))
  78
  79 #define PROC_FD_CLOSE(p,f)      PROC_op2(PROC_fd_dup|(f),p,PROC_ARG_NULL)
  80 #define PROC_FD_DUP(p,c,f)      PROC_op2(PROC_fd_dup|(f),p,c)
  81 #define PROC_SIG_DFL(s)         PROC_op1(PROC_sig_dfl,s,0)
  82 #define PROC_SIG_IGN(s)         PROC_op1(PROC_sig_ign,s,0)
  83 #define PROC_SYS_PGRP(g)        PROC_op1(PROC_sys_pgrp,g)
  84 #define PROC_SYS_UMASK(m)       PROC_op1(PROC_sys_umask,m,0)
  85
  86 #define PROC_OP(x)      (((x)>>(2*PROC_ARG_BIT))&((1<<PROC_OP_BIT)-1))
  87 #define PROC_ARG(x,n)   ((n)?(((x)>>(((n)-1)*PROC_ARG_BIT))&PROC_ARG_NULL):(((x)&~((1<<(2*PROC_ARG_BIT))-1))==~((1<<(2*PROC_ARG_BIT))-1))?(-1):((x)&~((1<<(2*PROC_ARG_BIT))-1)))
  88
  89 typedef struct
  90 {
  91         pid_t   pid;                    /* process id                   */
  92         pid_t   pgrp;                   /* process group id             */
  93         int     rfd;                    /* read fd if applicable        */
  94         int     wfd;                    /* write fd if applicable       */
  95
  96 #ifdef _PROC_PRIVATE_
  97 _PROC_PRIVATE_
  98 #endif
  99
 100 } Proc_t;
 101
 102 #if _BLD_ast && defined(__EXPORT__)
 103 #undef __MANGLE__
 104 #define __MANGLE__ __LINKAGE__          __EXPORT__
 105 #endif
 106
 107 extern __MANGLE__ int   procclose __PROTO__((Proc_t*));
 108 extern __MANGLE__ int   procfree __PROTO__((Proc_t*));
 109 extern __MANGLE__ Proc_t*       procopen __PROTO__((const char*, char**, char**, long*, int));
 110 extern __MANGLE__ int   procrun __PROTO__((const char*, char**, int));
 111
 112 #undef __MANGLE__
 113 #define __MANGLE__ __LINKAGE__
 114
 115 #endif