1 /* 2 Copyright (c) 1982, 1986, 1993 3 The Regents of the University of California. All rights reserved. 4 5 Redistribution and use in source and binary forms, with or without 6 modification, are permitted provided that the following conditions 7 are met: 8 1. Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 2. Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 3. Neither the name of the University nor the names of its contributors 14 may be used to endorse or promote products derived from this software 15 without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 SUCH DAMAGE. 28 */ 29 #ifndef _SYS__WAIT_H 30 #define _SYS__WAIT_H 31 32 /* Common defintions needed by both stdlib.h and sys/wait.h */ 33 34 #define WNOHANG 1 35 #define WUNTRACED 2 36 37 /* A status looks like: 38 <1 byte info> <1 byte code> 39 40 <code> == 0, child has exited, info is the exit value 41 <code> == 1..7e, child has exited, info is the signal number. 42 <code> == 7f, child has stopped, info was the signal number. 43 <code> == 80, there was a core dump. 44 */ 45 46 #define WIFEXITED(w) (((w) & 0xff) == 0) 47 #define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f)) 48 #define WIFSTOPPED(w) (((w) & 0xff) == 0x7f) 49 #define WEXITSTATUS(w) (((w) >> 8) & 0xff) 50 #define WTERMSIG(w) ((w) & 0x7f) 51 #define WSTOPSIG WEXITSTATUS 52 53 #endif 54
