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Annotation of embedaddon/thttpd/mmc.h, revision 1.1.1.1

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_ */