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Annotation of embedaddon/thttpd/mmc.h, revision 1.1

1.1     ! misho       1: /* mmc.h - header file for mmap cache package
        !             2: **
        !             3: ** Copyright © 1998 by Jef Poskanzer <jef@mail.acme.com>.
        !             4: ** All rights reserved.
        !             5: **
        !             6: ** Redistribution and use in source and binary forms, with or without
        !             7: ** modification, are permitted provided that the following conditions
        !             8: ** are met:
        !             9: ** 1. Redistributions of source code must retain the above copyright
        !            10: **    notice, this list of conditions and the following disclaimer.
        !            11: ** 2. Redistributions in binary form must reproduce the above copyright
        !            12: **    notice, this list of conditions and the following disclaimer in the
        !            13: **    documentation and/or other materials provided with the distribution.
        !            14: **
        !            15: ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            16: ** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            17: ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            18: ** ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            19: ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            20: ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            21: ** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            22: ** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            23: ** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            24: ** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            25: ** SUCH DAMAGE.
        !            26: */
        !            27: 
        !            28: #ifndef _MMC_H_
        !            29: #define _MMC_H_
        !            30: 
        !            31: /* Returns an mmap()ed area for the given file, or (void*) 0 on errors.
        !            32: ** If you have a stat buffer on the file, pass it in, otherwise pass 0.
        !            33: ** Same for the current time.
        !            34: */
        !            35: extern void* mmc_map( char* filename, struct stat* sbP, struct timeval* nowP );
        !            36: 
        !            37: /* Done with an mmap()ed area that was returned by mmc_map().
        !            38: ** If you have a stat buffer on the file, pass it in, otherwise pass 0.
        !            39: ** Same for the current time.
        !            40: */
        !            41: extern void mmc_unmap( void* addr, struct stat* sbP, struct timeval* nowP );
        !            42: 
        !            43: /* Clean up the mmc package, freeing any unused storage.
        !            44: ** This should be called periodically, say every five minutes.
        !            45: ** If you have the current time, pass it in, otherwise pass 0.
        !            46: */
        !            47: extern void mmc_cleanup( struct timeval* nowP );
        !            48: 
        !            49: /* Free all storage, usually in preparation for exitting. */
        !            50: extern void mmc_destroy( void );
        !            51: 
        !            52: /* Generate debugging statistics syslog message. */
        !            53: extern void mmc_logstats( long secs );
        !            54: 
        !            55: #endif /* _MMC_H_ */