/* * 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 potential 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 */ |