usr/src/cmd/ssh/include/bsd-waitpid.h

   1 /*
   2  * Redistribution and use in source and binary forms, with or without
   3  * modification, are permitted provided that the following conditions
   4  * are met:
   5  * 1. Redistributions of source code must retain the above copyright
   6  *    notice, this list of conditions and the following disclaimer.
   7  * 2. Redistributions in binary form must reproduce the above copyright
   8  *    notice, this list of conditions and the following disclaimer in the
   9  *    documentation and/or other materials provided with the distribution.
  10  *
  11  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  12  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  13  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  14  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  15  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  16  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  17  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  18  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  19  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  20  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  21  *
  22  */
  23
  24 #ifndef _BSD_WAITPID_H
  25 #define _BSD_WAITPID_H
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33
  34 /* $Id: bsd-waitpid.h,v 1.2 2001/02/09 01:55:36 djm Exp $ */
  35
  36 #ifndef HAVE_WAITPID
  37 /* Clean out any potental issues */
  38 #undef WIFEXITED
  39 #undef WIFSTOPPED
  40 #undef WIFSIGNALED
  41
  42 /* Define required functions to mimic a POSIX look and feel */
  43 #define _W_INT(w)       (*(int*)&(w))   /* convert union wait to int */
  44 #define WIFEXITED(w)    (!((_W_INT(w)) & 0377))
  45 #define WIFSTOPPED(w)   ((_W_INT(w)) & 0100)
  46 #define WIFSIGNALED(w)  (!WIFEXITED(w) && !WIFSTOPPED(w))
  47 #define WEXITSTATUS(w)  (int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1)
  48 #define WTERMSIG(w)     (int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1)
  49 #define WCOREFLAG       0x80
  50 #define WCOREDUMP(w)    ((_W_INT(w)) & WCOREFLAG)
  51
  52 /* Prototype */
  53 pid_t waitpid(int pid, int *stat_loc, int options);
  54
  55 #endif /* !HAVE_WAITPID */
  56
  57 #ifdef __cplusplus
  58 }
  59 #endif
  60
  61 #endif /* _BSD_WAITPID_H */