/*
- * $Id$
+ * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
*
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
- *
- * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
-#ifndef SQUID_AIODISKIOSTRATEGY_H
-#define SQUID_AIODISKIOSTRATEGY_H
-
-#include "config.h"
+#ifndef SQUID_SRC_DISKIO_AIO_AIODISKIOSTRATEGY_H
+#define SQUID_SRC_DISKIO_AIO_AIODISKIOSTRATEGY_H
-#if USE_DISKIO_AIO
+#if HAVE_DISKIO_MODULE_AIO
+#include "DiskIO/AIO/async_io.h"
#include "DiskIO/DiskIOStrategy.h"
-#include "async_io.h"
class AIODiskIOStrategy : public DiskIOStrategy
{
public:
AIODiskIOStrategy();
- virtual ~AIODiskIOStrategy();
+ ~AIODiskIOStrategy() override;
- virtual bool shedLoad();
+ bool shedLoad() override;
/* What is the current load? 999 = 99.9% */
- virtual int load();
+ int load() override;
/* Return a handle for performing IO operations */
- virtual RefCount<DiskFile> newFile (char const *path);
+ RefCount<DiskFile> newFile (char const *path) override;
/* flush all IO operations */
- virtual void sync();
+ void sync() override;
+ /** whether the IO Strategy can use unlinkd */
+ bool unlinkdUseful() const override;
/* unlink a file by path */
- virtual void unlinkFile (char const *);
+ void unlinkFile (char const *) override;
/* perform any pending callbacks */
- virtual int callback();
+ int callback() override;
/* Init per-instance logic */
- virtual void init();
+ void init() override;
/* cachemgr output on the IO instance stats */
- virtual void statfs(StoreEntry & sentry)const;
+ void statfs(StoreEntry & sentry)const override;
/* module specific options */
- virtual ConfigOption *getOptionTree() const;
+ ConfigOption *getOptionTree() const override;
/* a file descriptor */
int fd;
/* queue of requests */
int findSlot();
};
-#endif /* USE_DISKIO_AIO */
-#endif /* SQUID_AIODISKIOSTRATEGY_H */
+#endif /* HAVE_DISKIO_MODULE_AIO */
+#endif /* SQUID_SRC_DISKIO_AIO_AIODISKIOSTRATEGY_H */
+