src/air/dio.c File Reference

#include "air.h"
#include <teemDio.h>

Include dependency graph for dio.c:

Functions
const char *	airNoDioErr (int noDio)
int	airDioTest (int fd, const void *ptr, size_t size)
void	airDioInfo (int *align, int *min, int *max, int fd)
void *	airDioMalloc (size_t size, int fd)
size_t	airDioRead (int fd, void *_ptr, size_t size)
size_t	airDioWrite (int fd, const void *_ptr, size_t size)
Variables
const int	airMyDio = 0
int	airDisableDio = AIR_FALSE
const char	_airNoDioErr [AIR_NODIO_MAX+2][AIR_STRLEN_SMALL]

---

Function Documentation

void airDioInfo	(	int *	align,
		int *	min,
		int *	max,
		int	fd
	)

void* airDioMalloc	(	size_t	size,
		int	fd
	)

size_t airDioRead	(	int	fd,
		void *	_ptr,
		size_t	size
	)

int airDioTest	(	int	fd,
		const void *	ptr,
		size_t	size
	)

size_t airDioWrite	(	int	fd,
		const void *	_ptr,
		size_t	size
	)

const char* airNoDioErr

(

int

noDio

)

---

Variable Documentation

const char _airNoDioErr[AIR_NODIO_MAX+2][AIR_STRLEN_SMALL]

Initial value:

 {
  "(invalid noDio value)",
  "CAN TOO do direct I/O!",
  "direct I/O apparently not available on this architecture",
  "direct I/O apparently not suitable for given file format",
  "won't do direct I/O on std{in|out|err}",
  "got -1 as file descriptor",
  "fcntl(F_DIOINFO) to learn direct I/O specifics failed",
  "requested transfer size is too small",
  "requested transfer size not a multiple of d_miniosz",
  "data memory address not multiple of d_mem",
  "current file position not multiple of d_miniosz",
  "fcntl(F_SETFL, FDIRECT) to turn on direct I/O failed",
  "memalign() test (on a small chuck of memory) failed",
  "direct I/O (in air library) has been disabled with airDisableDio"
}

int airDisableDio = AIR_FALSE

const int airMyDio = 0