mmapfd.h File Reference

#include "common.h"

Go to the source code of this file.

Data Structures
struct	MmapFd
	Memory map and file descriptor. More...

Typedefs
typedef struct MmapFd	MmapFd
	Memory map and file descriptor. More...

Functions
bool	MmapFd_Open (MmapFd *m, const char *filename, size_t size)
	Create a file with memory map. More...
bool	MmapFd_Close (MmapFd *m, const char *filename, size_t size)
	Close a file with memory map. More...
__rte_always_inline void *	MmapFd_At (const MmapFd *m, size_t pos)
	Access mapped memory region. More...

Typedef Documentation

MmapFd

typedef struct MmapFd MmapFd

Memory map and file descriptor.

Function Documentation

MmapFd_At()

__rte_always_inline void* MmapFd_At	(	const MmapFd *	m,
		size_t	pos
	)

Access mapped memory region.

Precondition

MmapFd_Open was successful.

MmapFd_Close()

bool MmapFd_Close	(	MmapFd *	m,
		const char *	filename,
		size_t	size
	)

Close a file with memory map.

Parameters

size	truncate to final file size.

Returns

whether success.

MmapFd_Open()

bool MmapFd_Open	(	MmapFd *	m,
		const char *	filename,
		size_t	size
	)

Create a file with memory map.

Parameters

size	intended file size.

Returns

whether success.