remove file manager LRU cache from code.

This was a very clever attempt to fix a non-problem. If the platform doesn't have enough file descriptors available
then the platform is broken and we're not going to hack around trying to fix it.

1 files changed, 0 insertions, 95 deletions

diff --git a/libs/pbd/sndfile_manager.cc b/libs/pbd/sndfile_manager.cc
deleted file mode 100644
index c028bc11ba..0000000000
--- a/libs/pbd/sndfile_manager.cc
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
-    Copyright (C) 2010 Paul Davis
-
-    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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-/** @file libs/pbd/sndfile_manager.cc
- *  @brief A FileDescriptor for files opened using libsndfile.
- */
-
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <cassert>
-#include "pbd/compose.h"
-#include "pbd/sndfile_manager.h"
-#include "pbd/debug.h"
-
-using namespace std;
-using namespace PBD;
-
-/** @param file_name Filename.
- *  @param writeable true to open writeable, otherwise false.
- *  @param info SF_INFO for the file.
- */
-
-SndFileDescriptor::SndFileDescriptor (string const & file_name, bool writeable, SF_INFO* info)
-	: FileDescriptor (file_name, writeable)
-	, _sndfile (0)
-	, _info (info)
-{
-	manager()->add (this);
-}
-
-SndFileDescriptor::~SndFileDescriptor ()
-{
-	manager()->remove (this);
-}
-
-/** @return SNDFILE*, or 0 on error */
-SNDFILE*
-SndFileDescriptor::allocate ()
-{
-	bool const f = manager()->allocate (this);
-	if (f) {
-		return 0;
-	}
-
-	/* this is ok thread-wise because allocate () has incremented
-	   the Descriptor's refcount, so the file will not be closed
-	*/
-	return _sndfile;
-}
-
-void
-SndFileDescriptor::close ()
-{
-	/* we must have a lock on the FileManager's mutex */
-
-	assert (_sndfile);
-	sf_close (_sndfile);
-	_sndfile = 0;
-}
-
-bool
-SndFileDescriptor::is_open () const
-{
-	/* we must have a lock on the FileManager's mutex */
-
-	return _sndfile != 0;
-}
-
-bool
-SndFileDescriptor::open ()
-{
-	/* we must have a lock on the FileManager's mutex */
-	
-	_sndfile = sf_open (_path.c_str(), _writeable ? SFM_RDWR : SFM_READ, _info);
-	return (_sndfile == 0);
-}
-