io_queue_run.3

xen 3.2.2 源码

.TH io_queue_run 2 2002-09-03 "Linux 2.4" "Linux AIO"
.SH NAME
io_queue_run \- Handle completed io requests
.SH SYNOPSIS
.nf
.B #include <errno.h>
.br
.sp
.B #include <libaio.h>
.br
.sp
.BI "int io_queue_run(io_context_t  ctx );"
.sp
.fi
.SH DESCRIPTION
.B io_queue_run
Attempts to read  all the events events from
the completion queue for the aio_context specified by ctx_id.
.SH "RETURN VALUES"
May return
0 if no events are available.
Will fail with -ENOSYS if not implemented.
.SH ERRORS
.TP
.B EFAULT
.I iocbs
referenced data outside of the program's accessible address space.
.TP
.B EINVAL
.I ctx 
refers to an unitialized aio context, the iocb pointed to by
.I iocbs 
contains an improperly initialized iocb,
.TP
.B ENOSYS 
Not implemented
.SH "SEE ALSO"
.BR io(3),
.BR io_cancel(3),
.BR io_fsync(3),
.BR io_getevents(3),
.BR io_prep_fsync(3),
.BR io_prep_pread(3),
.BR io_prep_pwrite(3),
.BR io_queue_init(3),
.BR io_queue_release(3),
.BR io_queue_wait(3),
.BR io_set_callback(3),
.BR io_submit(3),
.BR errno(3)