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-rw-r--r--src/util/HugeAllocator.hxx62
1 files changed, 47 insertions, 15 deletions
diff --git a/src/util/HugeAllocator.hxx b/src/util/HugeAllocator.hxx
index f44a6e3b8..e85f936dc 100644
--- a/src/util/HugeAllocator.hxx
+++ b/src/util/HugeAllocator.hxx
@@ -1,24 +1,34 @@
/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
+ * Copyright (C) 2013 Max Kellermann <max@duempel.org>
*
- * 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.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
*
- * 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.
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
*
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef MPD_HUGE_ALLOCATOR_HXX
-#define MPD_HUGE_ALLOCATOR_HXX
+#ifndef HUGE_ALLOCATOR_HXX
+#define HUGE_ALLOCATOR_HXX
#include "Compiler.h"
@@ -53,6 +63,28 @@ HugeFree(void *p, size_t size);
void
HugeDiscard(void *p, size_t size);
+#elif defined(WIN32)
+#include <windows.h>
+
+gcc_malloc
+static inline void *
+HugeAllocate(size_t size)
+{
+ return VirtualAlloc(nullptr, size, MEM_LARGE_PAGES, PAGE_READWRITE);
+}
+
+static inline void
+HugeFree(void *p, gcc_unused size_t size)
+{
+ VirtualFree(p, 0, MEM_RELEASE);
+}
+
+static inline void
+HugeDiscard(void *p, size_t size)
+{
+ VirtualAlloc(p, size, MEM_RESET, PAGE_NOACCESS);
+}
+
#else
/* not Linux: fall back to standard C calls */