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