aio.c File Reference

#include <unistd.h>
#include <sched.h>
#include <signal.h>
#include <errno.h>
#include <sys/time.h>
#include <asm/unistd.h>
#include <aio.h>
#include <init.h>
#include <kern_util.h>
#include <os.h>

Go to the source code of this file.

Data Structures
struct	aio_thread_req

Macros
#define	DEFAULT_24_AIO   1

Functions
	__uml_setup ("aio=2.4", set_aio_24,"aio=2.4\n"" This is used to force UML to use 2.4-style AIO even when 2.6 AIO is\n"" available. 2.4 AIO is a single thread that handles one request at a\n"" time, synchronously. 2.6 AIO is a thread which uses the 2.6 AIO \n"" interface to handle an arbitrary number of pending requests. 2.6 AIO \n"" is not available in tt mode, on 2.4 hosts, or when UML is built with\n"" /usr/include/linux/aio_abi.h not available. Many distributions don't\n"" include aio_abi.h, so you will need to copy it from a kernel tree to\n"" your /usr/include/linux in order to build an AIO-capable UML\n\n")
	__initcall (init_aio)
	__uml_exitcall (exit_aio)
int	submit_aio (enum aio_type type, int io_fd, char *buf, int len, unsigned long long offset, int reply_fd, struct aio_context *aio)

Macro Definition Documentation

#define DEFAULT_24_AIO   1

Definition at line 289 of file aio.c.

Function Documentation

__initcall

(

init_aio

)

__uml_exitcall

(

exit_aio

)

__uml_setup	(	"	aio = 2.4", set_aio_24,"aio=2.4\n""    This is used to force UML to use 2.4-style AIO even when 2.6 AIO is\n""    available.  2.4 AIO is a single thread that handles one request at a\n""    time,
		synchronously.2.6 AIO is a thread which uses the 2.6 AIO\n""interface to handle an arbitrary number of pending requests.2.6 AIO\n""is not available in tt	mode,
		on 2.4	hosts,
		or when UML is built with\n""/usr/include/linux/aio_abi.h not available.Many distributions don't\n""include aio_abi.	h,
		so you will need to copy it from a kernel tree to\n""your/usr/include/linux in order to build an AIO-capable UML\n\n"
	)

int submit_aio	(	enum aio_type	type,
		int	io_fd,
		char *	buf,
		int	len,
		unsigned long long	offset,
		int	reply_fd,
		struct aio_context *	aio
	)

Definition at line 382 of file aio.c.