AIO.H(3HEAD) Headers AIO.H(3HEAD)
NAME
aio.h, aio - asynchronous input and output
SYNOPSIS
#include <aio.h>DESCRIPTION
The <
aio.h> header defines the
aiocb structure which includes the
following members:
int aio_fildes file descriptor
off_t aio_offset file offset
volatile void* aio_buf location of buffer
size_t aio_nbytes length of transfer
int aio_reqprio request priority offset
struct sigevent aio_sigevent notification type
int aio_lio_opcode listio operation
This header also includes the following constants:
AIO_ALLDONE A return value indicating that none of the requested
operations could be canceled since they are already
complete.
AIO_CANCELED A return value indicating that all requested
operations have been canceled.
AIO_NOTCANCELED A return value indicating that some of the requested
operations could not be canceled since they are in
progress.
LIO_NOP A
lio_listio(3C) element operation option indicating
that no transfer is requested.
LIO_NOWAIT A
lio_listio() synchronization operation indicating
that the calling thread is to continue execution while
the
lio_listio() operation is being performed, and
notification is to be given when the operation is
complete.
LIO_READ A
lio_listio() element operation option requesting a
read.
LIO_WAIT A
lio_listio() synchronization operation indicating
that the calling thread is to suspend until the
lio_listio() operation is complete.
LIO_WRITE A
lio_listio() element operation option requesting a
write.
SEE ALSO
lseek(2),
read(2),
write(2),
fsync(3C),
lio_listio(3C),
libaio(3LIB) February 5, 2008
AIO.H(3HEAD)