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Annotation of embedaddon/ntp/kernel/sys/ppsclock.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * This software was developed by the Computer Systems Engineering group
        !             3:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66.
        !             4:  *
        !             5:  * Copyright (c) 1992 The Regents of the University of California.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Lawrence Berkeley Laboratory.
        !            20:  * 4. The name of the University may not be used to endorse or promote
        !            21:  *    products derived from this software without specific prior
        !            22:  *    written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  */
        !            36: 
        !            37: #ifndef TIOCGPPSEV
        !            38: #define PPSCLOCKSTR    "ppsclock"
        !            39: 
        !            40: #ifndef HAVE_STRUCT_PPSCLOCKEV
        !            41: struct ppsclockev {
        !            42:        struct timeval tv;
        !            43:        u_int serial;
        !            44: };
        !            45: #endif
        !            46: 
        !            47: #if defined(__STDC__) || defined(SYS_HPUX)
        !            48: #ifdef _IOR
        !            49: #define CIOGETEV        _IOR('C', 0, struct ppsclockev)        /* get last pps event */
        !            50: #else  /* XXX SOLARIS is different */
        !            51: #define        CIO     ('C'<<8)
        !            52: #define CIOGETEV        (CIO|0)                /* get last pps event */
        !            53: #endif /* _IOR */
        !            54: #else  /* __STDC__ */
        !            55: #ifdef _IOR
        !            56: #define CIOGETEV        _IOR(C, 0, struct ppsclockev)  /* get last pps event */
        !            57: #else  /* XXX SOLARIS is different */
        !            58: #define        CIO     ('C'<<8)
        !            59: #define CIOGETEV        (CIO|0)                /* get last pps event */
        !            60: #endif /* _IOR */
        !            61: #endif /* __STDC__ */
        !            62: #else
        !            63: #define CIOGETEV TIOCGPPSEV
        !            64: #endif