1 /* $Id: bsd-waitpid.h,v 1.5 2003/08/29 16:59:52 mouring Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Ben Lindstrom. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #ifndef _BSD_WAITPID_H 29 #define _BSD_WAITPID_H 30 31 #ifndef HAVE_WAITPID 32 /* Clean out any potental issues */ 33 #undef WIFEXITED 34 #undef WIFSTOPPED 35 #undef WIFSIGNALED 36 37 /* Define required functions to mimic a POSIX look and feel */ 38 #define _W_INT(w) (*(int*)&(w)) /* convert union wait to int */ 39 #define WIFEXITED(w) (!((_W_INT(w)) & 0377)) 40 #define WIFSTOPPED(w) ((_W_INT(w)) & 0100) 41 #define WIFSIGNALED(w) (!WIFEXITED(w) && !WIFSTOPPED(w)) 42 #define WEXITSTATUS(w) (int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1) 43 #define WTERMSIG(w) (int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1) 44 #define WCOREFLAG 0x80 45 #define WCOREDUMP(w) ((_W_INT(w)) & WCOREFLAG) 46 47 /* Prototype */ 48 pid_t waitpid(int, int *, int); 49 50 #endif /* !HAVE_WAITPID */ 51 #endif /* _BSD_WAITPID_H */ 52
