src/DiskIO/Blocking/BlockingIOStrategy.cc

   1
   2 /*
   3  * $Id$
   4  *
   5  * DEBUG: section 47    Store Directory Routines
   6  * AUTHOR: Robert Collins
   7  *
   8  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   9  * ----------------------------------------------------------
  10  *
  11  *  Squid is the result of efforts by numerous individuals from
  12  *  the Internet community; see the CONTRIBUTORS file for full
  13  *  details.   Many organizations have provided support for Squid's
  14  *  development; see the SPONSORS file for full details.  Squid is
  15  *  Copyrighted (C) 2001 by the Regents of the University of
  16  *  California; see the COPYRIGHT file for full details.  Squid
  17  *  incorporates software developed and/or copyrighted by other
  18  *  sources; see the CREDITS file for full details.
  19  *
  20  *  This program is free software; you can redistribute it and/or modify
  21  *  it under the terms of the GNU General Public License as published by
  22  *  the Free Software Foundation; either version 2 of the License, or
  23  *  (at your option) any later version.
  24  *
  25  *  This program is distributed in the hope that it will be useful,
  26  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  *  GNU General Public License for more details.
  29  *
  30  *  You should have received a copy of the GNU General Public License
  31  *  along with this program; if not, write to the Free Software
  32  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  33  *
  34  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  35  */
  36
  37 #include "BlockingIOStrategy.h"
  38 #include "BlockingFile.h"
  39 bool
  40 BlockingIOStrategy::shedLoad()
  41 {
  42     return false;
  43 }
  44
  45 int
  46 BlockingIOStrategy::load()
  47 {
  48     /* Return 999 (99.9%) constant load */
  49     return 999;
  50 }
  51
  52 DiskFile::Pointer
  53 BlockingIOStrategy::newFile (char const *path)
  54 {
  55     return new BlockingFile (path);
  56 }
  57
  58 void
  59 BlockingIOStrategy::unlinkFile(char const *path)
  60 {
  61 #if USE_UNLINKD
  62     unlinkdUnlink(path);
  63 #else
  64     ::unlink(path);
  65 #endif
  66 }