Source Format Enforcement (#532)

[thirdparty/squid.git] / src / DiskIO / DiskIOStrategy.h

diff --git a/src/DiskIO/DiskIOStrategy.h b/src/DiskIO/DiskIOStrategy.h
index 2ec561714db86bf767f99cc30ca7117eea08688d..34e3eb95099c22d3c43803a84463e7a667e98924 100644 (file)
--- a/src/DiskIO/DiskIOStrategy.h
+++ b/src/DiskIO/DiskIOStrategy.h
@@ -1,41 +1,16 @@
 /*
- * $Id$
+ * Copyright (C) 1996-2020 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_DISKIOSTRATEGY_H
 #define SQUID_DISKIOSTRATEGY_H
 
-#include "squid.h"
-
-#include "RefCount.h"
+#include "base/RefCount.h"
+#include "Store.h"
 
 class DiskFile;
 
@@ -59,6 +34,9 @@ public:
     /** flush all IO operations  */
     virtual void sync() {}
 
+    /** whether the IO Strategy can use unlinkd */
+    virtual bool unlinkdUseful() const = 0;
+
     /** unlink a file by path */
     virtual void unlinkFile(char const *) = 0;
 
@@ -69,10 +47,10 @@ public:
     virtual void init() {}
 
     /** cachemgr output on the IO instance stats */
-    virtual void statfs(StoreEntry & sentry)const {}
+    virtual void statfs(StoreEntry &) const {}
 
     /** module specific options */
-    virtual ConfigOption *getOptionTree() const { return NULL;}
+    virtual ConfigOption *getOptionTree() const {return NULL;}
 };
 
 /* Because we need the DiskFile definition for newFile. */
@@ -92,13 +70,15 @@ public:
 
     virtual void sync() { io->sync(); }
 
-    virtual void unlinkFile (char const *path) { io->unlinkFile(path); }
+    virtual bool unlinkdUseful() const { return io->unlinkdUseful(); }
+
+    virtual void unlinkFile(char const *path) { io->unlinkFile(path); }
 
     virtual int callback() { return io->callback(); }
 
     virtual void init() { io->init(); }
 
-    virtual void statfs(StoreEntry & sentry)const { io->statfs(sentry); }
+    virtual void statfs(StoreEntry & sentry) const { io->statfs(sentry); }
 
     virtual ConfigOption *getOptionTree() const { return io->getOptionTree(); }
 
@@ -107,3 +87,4 @@ private:
 };
 
 #endif /* SQUID_DISKIOSTRATEGY_H */
+