diff options
Diffstat (limited to 'src/gallium/auxiliary/os/os_mman.h')
-rw-r--r-- | src/gallium/auxiliary/os/os_mman.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/src/gallium/auxiliary/os/os_mman.h b/src/gallium/auxiliary/os/os_mman.h deleted file mode 100644 index a7353096..00000000 --- a/src/gallium/auxiliary/os/os_mman.h +++ /dev/null @@ -1,87 +0,0 @@ -/************************************************************************** - * - * Copyright 2011 LunarG, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * @file - * OS independent memory mapping (with large file support). - * - * @author Chia-I Wu <olvaffe@gmail.com> - */ - -#ifndef _OS_MMAN_H_ -#define _OS_MMAN_H_ - - -#include "pipe/p_config.h" -#include "pipe/p_compiler.h" - -#if defined(PIPE_OS_UNIX) -# ifndef _FILE_OFFSET_BITS -# error _FILE_OFFSET_BITS must be defined to 64 -# endif -# include <sys/mman.h> -#else -# error Unsupported OS -#endif - -#if defined(PIPE_OS_ANDROID) -# include <errno.h> /* for EINVAL */ -#endif - -#ifdef __cplusplus -extern "C" { -#endif - - -#if defined(PIPE_OS_ANDROID) - -extern void *__mmap2(void *, size_t, int, int, int, size_t); - -static inline void *os_mmap(void *addr, size_t length, int prot, int flags, int fd, loff_t offset) -{ - /* offset must be aligned to 4096 (not necessarily the page size) */ - if (unlikely(offset & 4095)) { - errno = EINVAL; - return MAP_FAILED; - } - - return __mmap2(addr, length, prot, flags, fd, (size_t) (offset >> 12)); -} - -#else -/* assume large file support exists */ -# define os_mmap(addr, length, prot, flags, fd, offset) mmap(addr, length, prot, flags, fd, offset) -#endif - -#define os_munmap(addr, length) munmap(addr, length) - - -#ifdef __cplusplus -} -#endif - -#endif /* _OS_MMAN_H_ */ |