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Diffstat (limited to 'nuttx/include/sys/mman.h')
| -rw-r--r-- | nuttx/include/sys/mman.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/nuttx/include/sys/mman.h b/nuttx/include/sys/mman.h deleted file mode 100644 index ab847b97a..000000000 --- a/nuttx/include/sys/mman.h +++ /dev/null @@ -1,113 +0,0 @@ -/**************************************************************************** - * include/sys/mman.h - * - * Copyright (C) 2008, 2009, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * 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 - * COPYRIGHT OWNER 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 __INCLUDE_SYS_MMAN_H -#define __INCLUDE_SYS_MMAN_H - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#include <sys/types.h> - -/**************************************************************************** - * Pre-Processor Definitions - ****************************************************************************/ - -/* Protections are chosen from these bits, OR'd together. NuttX does not - * support any of these, but are provided for source level compatibility - */ - -#define PROT_NONE 0x0 /* Page may not be accessed */ -#define PROT_READ 0x1 /* Page may be read */ -#define PROT_WRITE 0x2 /* Page may be written */ -#define PROT_EXEC 0x4 /* Page may be executed */ - -/* Sharing types -- ignored by NuttX. */ - -#define MAP_SHARED 0x00001 /* Share this mapping */ -#define MAP_PRIVATE 0x00002 /* Create a private copy-on-write mapping */ -#define MAP_TYPE 0x0000f /* Mask for type of mapping */ -#define MAP_FIXED 0x00010 /* Map to specified address exactly */ -#define MAP_FILE 0x00000 /* The mapping is backed by a file */ -#define MAP_ANONYMOUS 0x00020 /* The mapping is not backed by any file */ -#define MAP_ANON MAP_ANONYMOUS - -/* These are Linux-specific. */ - -#define MAP_GROWSDOWN 0x00100 /* Used to stack allocations */ -#define MAP_DENYWRITE 0x00800 /* Do not permit writes to file */ -#define MAP_EXECUTABLE 0x01000 /* Mark it as an executable */ -#define MAP_LOCKED 0x02000 /* Lock pages mapped into memory */ -#define MAP_NORESERVE 0x04000 /* Do not reserve swap space for this mapping */ -#define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* Do not block on IO */ - -/* Failure return */ - -#define MAP_FAILED ((void*)-1) - -/**************************************************************************** - * Public Type Definitions - ****************************************************************************/ - -/**************************************************************************** - * Public Function Prototypes - ****************************************************************************/ - -#undef EXTERN -#if defined(__cplusplus) -#define EXTERN extern "C" -extern "C" { -#else -#define EXTERN extern -#endif - -EXTERN FAR void *mmap(FAR void *start, size_t length, int prot, int flags, - int fd, off_t offset); - -#ifdef CONFIG_FS_RAMMAP -EXTERN int munmap(FAR void *start, size_t length); -#else -# define munmap(start, length) -#endif - -#undef EXTERN -#if defined(__cplusplus) -} -#endif - -#endif /* __INCLUDE_SYS_MMAN_H */ |