diff options
Diffstat (limited to 'src/gallium/auxiliary/os')
-rw-r--r-- | src/gallium/auxiliary/os/os_mman.h | 87 | ||||
-rw-r--r-- | src/gallium/auxiliary/os/os_thread.h | 2 |
2 files changed, 88 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/os/os_mman.h b/src/gallium/auxiliary/os/os_mman.h new file mode 100644 index 00000000000..b48eb053023 --- /dev/null +++ b/src/gallium/auxiliary/os/os_mman.h @@ -0,0 +1,87 @@ +/************************************************************************** + * + * 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 <[email protected]> + */ + +#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_ */ diff --git a/src/gallium/auxiliary/os/os_thread.h b/src/gallium/auxiliary/os/os_thread.h index 8f1245bff55..d8301298b7f 100644 --- a/src/gallium/auxiliary/os/os_thread.h +++ b/src/gallium/auxiliary/os/os_thread.h @@ -314,7 +314,7 @@ typedef int64_t pipe_condvar; * pipe_barrier */ -#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_HAIKU) +#if (defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_HAIKU)) && !defined(PIPE_OS_ANDROID) typedef pthread_barrier_t pipe_barrier; |