ugcs::vsm::internal::Poll_io_controller::Io_cb Struct Reference

Control block for I/O operation. More...

#include <poll_io_controller.h>

Inheritance diagram for ugcs::vsm::internal::Poll_io_controller::Io_cb:

Public Types
typedef void(*	Callback )(Io_cb &)
	Callback for completed operation. More...
enum	Operation { READ, WRITE }
	Operation type. More...

Public Attributes
int	fd
	File descriptor. More...
Operation	op
	Requested operation. More...
void *	buf
	Data buffer. More...
size_t	size
	Data size. More...
Io_stream::Offset	offset
	File offset. More...
Callback	cbk
	Callback to call when operation is completed. More...
int	error
	Operation error code. More...
ssize_t	return_value
	Operation return value, typically transfer size. More...

Detailed Description

Control block for I/O operation.

Member Typedef Documentation

typedef void(* ugcs::vsm::internal::Poll_io_controller::Io_cb::Callback)(Io_cb &)

Callback for completed operation.

Member Enumeration Documentation

enum ugcs::vsm::internal::Poll_io_controller::Io_cb::Operation

strong

Operation type.

Member Data Documentation

void* ugcs::vsm::internal::Poll_io_controller::Io_cb::buf

Data buffer.

Callback ugcs::vsm::internal::Poll_io_controller::Io_cb::cbk

Callback to call when operation is completed.

int ugcs::vsm::internal::Poll_io_controller::Io_cb::error

Operation error code.

int ugcs::vsm::internal::Poll_io_controller::Io_cb::fd

File descriptor.

Io_stream::Offset ugcs::vsm::internal::Poll_io_controller::Io_cb::offset

File offset.

Operation ugcs::vsm::internal::Poll_io_controller::Io_cb::op

Requested operation.

ssize_t ugcs::vsm::internal::Poll_io_controller::Io_cb::return_value

Operation return value, typically transfer size.

size_t ugcs::vsm::internal::Poll_io_controller::Io_cb::size

Data size.

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The documentation for this struct was generated from the following file:

• poll_io_controller.h