mmapfd.h File Reference

#include "common.h"

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

Typedefs
typedef struct MmapFd	MmapFd
	Memory map and file descriptor.

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

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.