bionic (2) io_queue_wait.2.gz

NAME

       io_queue_wait - Wait for io requests to complete

SYNOPSIS

       #include <errno.h>

       #include <libaio.h>

       int io_queue_wait(io_context_t ctx_id, const struct timespec *timeout);

DESCRIPTION

       Attempts to read an event from the completion queue for the aio_context specified by ctx_id.

RETURN VALUES

       May return 0 if no events are available and the timeout specified by when has elapsed, where when == NULL
       specifies an infinite timeout. Note that the timeout pointed to by when is relative and will  be  updated
       if not NULL and the operation blocks.  Will fail with -ENOSYS if not implemented.

RETURN VALUES

       On  success,  io_queue_wait returns 0. Otherwise, -error is return, where error is one of the Exxx values
       defined in the Errors section.

ERRORS

       EFAULT iocbs referenced data outside of the program's accessible address space.

       EINVAL ctx_id refers to an uninitialized aio context, the iocb pointed to by iocbs contains an improperly
              initialized iocb.

       ENOSYS Not implemented.

SEE ALSO

       io(3), io_cancel(3), io_fsync(3), io_getevents(3), io_prep_fsync(3), io_prep_pread(3), io_prep_pwrite(3),
       io_queue_init(3), io_queue_release(3), io_queue_run(3), io_set_callback(3), io_submit(3), errno(3).