|  | /* $Id: bsd-waitpid.h,v 1.5 2003/08/29 16:59:52 mouring Exp $ */ | 
|  |  | 
|  | /* | 
|  | * Copyright (c) 2000 Ben Lindstrom.  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. | 
|  | * | 
|  | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _BSD_WAITPID_H | 
|  | #define _BSD_WAITPID_H | 
|  |  | 
|  | #ifndef HAVE_WAITPID | 
|  | /* Clean out any potental issues */ | 
|  | #undef WIFEXITED | 
|  | #undef WIFSTOPPED | 
|  | #undef WIFSIGNALED | 
|  |  | 
|  | /* Define required functions to mimic a POSIX look and feel */ | 
|  | #define _W_INT(w)	(*(int*)&(w))	/* convert union wait to int */ | 
|  | #define WIFEXITED(w)	(!((_W_INT(w)) & 0377)) | 
|  | #define WIFSTOPPED(w)	((_W_INT(w)) & 0100) | 
|  | #define WIFSIGNALED(w)	(!WIFEXITED(w) && !WIFSTOPPED(w)) | 
|  | #define WEXITSTATUS(w)	(int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1) | 
|  | #define WTERMSIG(w)	(int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1) | 
|  | #define WCOREFLAG	0x80 | 
|  | #define WCOREDUMP(w) 	((_W_INT(w)) & WCOREFLAG) | 
|  |  | 
|  | /* Prototype */ | 
|  | pid_t waitpid(int, int *, int); | 
|  |  | 
|  | #endif /* !HAVE_WAITPID */ | 
|  | #endif /* _BSD_WAITPID_H */ |