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Annotation of 43BSDReno/usr.sbin/amd/include/uwait.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * $Id: uwait.h,v 5.2 90/06/23 22:20:31 jsp Rel $
        !             3:  *
        !             4:  * Copyright (c) 1989 Jan-Simon Pendry
        !             5:  * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
        !             6:  * Copyright (c) 1989 The Regents of the University of California.
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * This code is derived from software contributed to Berkeley by
        !            10:  * Jan-Simon Pendry at Imperial College, London.
        !            11:  *
        !            12:  * Redistribution and use in source and binary forms are permitted provided
        !            13:  * that: (1) source distributions retain this entire copyright notice and
        !            14:  * comment, and (2) distributions including binaries display the following
        !            15:  * acknowledgement:  ``This product includes software developed by the
        !            16:  * University of California, Berkeley and its contributors'' in the
        !            17:  * documentation or other materials provided with the distribution and in
        !            18:  * all advertising materials mentioning features or use of this software.
        !            19:  * Neither the name of the University nor the names of its contributors may
        !            20:  * be used to endorse or promote products derived from this software without
        !            21:  * specific prior written permission.
        !            22:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            23:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            24:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            25:  *
        !            26:  *     @(#)uwait.h     5.1 (Berkeley) 7/19/90
        !            27:  */
        !            28: 
        !            29: #if defined(mc68k) || defined(mc68000) || defined(mc68020) || defined(sparc) || defined(hp9000s300)
        !            30: #define BITS_BIGENDIAN
        !            31: #endif
        !            32: #if defined(vax) || defined(i386)
        !            33: #define BITS_LITTLENDIAN
        !            34: #endif
        !            35: #if !defined BITS_BIGENDIAN && !defined BITS_LITTLENDIAN
        !            36:  #error Do not know my byte ordering
        !            37: #endif
        !            38: 
        !            39: /*
        !            40:  * Structure of the information in the first word returned by both
        !            41:  * wait and wait3.  If w_stopval==WSTOPPED, then the second structure
        !            42:  * describes the information returned, else the first.  See WUNTRACED below.
        !            43:  */
        !            44: union wait     {
        !            45:        int     w_status;               /* used in syscall */
        !            46:        /*
        !            47:         * Terminated process status.
        !            48:         */
        !            49:        struct {
        !            50: #ifdef BITS_LITTLENDIAN
        !            51:                unsigned short  w_Termsig:7;    /* termination signal */
        !            52:                unsigned short  w_Coredump:1;   /* core dump indicator */
        !            53:                unsigned short  w_Retcode:8;    /* exit code if w_termsig==0 */
        !            54: #endif
        !            55: #ifdef BITS_BIGENDIAN
        !            56:                unsigned short  w_Fill1:16;     /* high 16 bits unused */
        !            57:                unsigned short  w_Retcode:8;    /* exit code if w_termsig==0 */
        !            58:                unsigned short  w_Coredump:1;   /* core dump indicator */
        !            59:                unsigned short  w_Termsig:7;    /* termination signal */
        !            60: #endif
        !            61:        } w_U;
        !            62: };
        !            63: #define        w_termsig       w_U.w_Termsig
        !            64: #define w_coredump     w_U.w_Coredump
        !            65: #define w_retcode      w_U.w_Retcode
        !            66: 
        !            67: #define WIFSIGNALED(x) ((x).w_termsig != 0)
        !            68: #define WIFEXITED(x)   ((x).w_termsig == 0)

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