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- /*
- * Copyright (c) 1989 Jan-Simon Pendry
- * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
- * Copyright (c) 1989 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- *
- * @(#)uwait.h 5.3 (Berkeley) 5/12/91
- *
- * $Id: uwait.h,v 5.2.1.2 91/05/07 22:19:23 jsp Alpha $
- *
- */
-
- #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)
-