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1435 palkovsky 1
/*
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 * Copyright (c) 2006 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup libc
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 * @{
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 */
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/** @file
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 */
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#ifndef LIBC_TIME_H_
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#define LIBC_TIME_H_
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#include <types.h>
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#define DST_NONE 0
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typedef long time_t;
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typedef long suseconds_t;
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struct timeval {
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    time_t         tv_sec;        /* seconds */
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    suseconds_t    tv_usec;  /* microseconds */
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};
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struct timezone {
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    int  tz_minuteswest; /* minutes W of Greenwich */
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    int  tz_dsttime;     /* type of dst correction */
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};
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extern void tv_add(struct timeval *tv, suseconds_t usecs);
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extern suseconds_t tv_sub(struct timeval *tv1, struct timeval *tv2);
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extern int tv_gt(struct timeval *tv1, struct timeval *tv2);
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extern int tv_gteq(struct timeval *tv1, struct timeval *tv2);
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extern int gettimeofday(struct timeval *tv, struct timezone *tz);
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#endif
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/** @}
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 */