diff options
Diffstat (limited to 'src/util/HugeAllocator.hxx')
| -rw-r--r-- | src/util/HugeAllocator.hxx | 62 |
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 */ |