usr/src/lib/libast/common/include/wait.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23 /*
  24  * ast POSIX wait/exit support
  25  */
  26
  27 #ifndef _WAIT_H
  28 #define _WAIT_H
  29
  30 #include <ast.h>
  31 #include <ast_wait.h>
  32
  33 #if _sys_wait
  34 #if defined(__STDPP__directive) && defined(__STDPP__hide)
  35 __STDPP__directive pragma pp:hide wait waitpid
  36 #else
  37 #define wait            ______wait
  38 #define waitpid         ______waitpid
  39 #endif
  40 #include <sys/wait.h>
  41 #if defined(__STDPP__directive) && defined(__STDPP__hide)
  42 __STDPP__directive pragma pp:nohide wait waitpid
  43 #else
  44 #undef  wait
  45 #undef  waitpid
  46 #endif
  47 #endif
  48
  49 #ifndef WNOHANG
  50 #define WNOHANG         1
  51 #endif
  52
  53 #ifndef WUNTRACED
  54 #define WUNTRACED       2
  55 #endif
  56
  57 #if !_ok_wif
  58 #undef  WIFEXITED
  59 #undef  WEXITSTATUS
  60 #undef  WIFSIGNALED
  61 #undef  WTERMSIG
  62 #undef  WIFSTOPPED
  63 #undef  WSTOPSIG
  64 #undef  WTERMCORE
  65 #endif
  66
  67 #ifndef WIFEXITED
  68 #define WIFEXITED(x)    (!((x)&((1<<(EXIT_BITS-1))-1)))
  69 #endif
  70
  71 #ifndef WEXITSTATUS
  72 #define WEXITSTATUS(x)  (((x)>>EXIT_BITS)&((1<<EXIT_BITS)-1))
  73 #endif
  74
  75 #ifndef WIFSIGNALED
  76 #define WIFSIGNALED(x)  (((x)&((1<<(EXIT_BITS-1))-1))!=0)
  77 #endif
  78
  79 #ifndef WTERMSIG
  80 #define WTERMSIG(x)     ((x)&((1<<(EXIT_BITS-1))-1))
  81 #endif
  82
  83 #ifndef WIFSTOPPED
  84 #define WIFSTOPPED(x)   (((x)&((1<<EXIT_BITS)-1))==((1<<(EXIT_BITS-1))-1))
  85 #endif
  86
  87 #ifndef WSTOPSIG
  88 #define WSTOPSIG(x)     WEXITSTATUS(x)
  89 #endif
  90
  91 #ifndef WTERMCORE
  92 #define WTERMCORE(x)    ((x)&(1<<(EXIT_BITS-1)))
  93 #endif
  94
  95 extern pid_t            wait(int*);
  96 extern pid_t            waitpid(pid_t, int*, int);
  97
  98 #endif