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/*
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: @(#)uwait.h 8.1 (Berkeley) 6/6/93
* $Id: uwait.h,v 1.2 2003/06/02 23:36:52 millert Exp $
*/
#if defined(mc68k) || defined(mc68000) || defined(mc68020) || defined(sparc) || defined(hp9000s300) || defined(hp9000s800)
#define BITS_BIGENDIAN
#endif
#if defined(vax) || defined(i386)
#define BITS_LITTLENDIAN
#endif
#if !defined BITS_BIGENDIAN && !defined BITS_LITTLENDIAN
#error Do not know my byte ordering
#endif
/*
* Structure of the information in the first word returned by both
* wait and wait3. If w_stopval==WSTOPPED, then the second structure
* describes the information returned, else the first. See WUNTRACED below.
*/
union wait {
int w_status; /* used in syscall */
/*
* Terminated process status.
*/
struct {
#ifdef BITS_LITTLENDIAN
unsigned short w_Termsig:7; /* termination signal */
unsigned short w_Coredump:1; /* core dump indicator */
unsigned short w_Retcode:8; /* exit code if w_termsig==0 */
#endif
#ifdef BITS_BIGENDIAN
unsigned short w_Fill1:16; /* high 16 bits unused */
unsigned short w_Retcode:8; /* exit code if w_termsig==0 */
unsigned short w_Coredump:1; /* core dump indicator */
unsigned short w_Termsig:7; /* termination signal */
#endif
} w_U;
};
#define w_termsig w_U.w_Termsig
#define w_coredump w_U.w_Coredump
#define w_retcode w_U.w_Retcode
#define WIFSIGNALED(x) ((x).w_termsig != 0)
#define WIFEXITED(x) ((x).w_termsig == 0)
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