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Standard C Library (libc, -lc)
aio_suspend(const struct aiocb *const iocbs, int niocb,
const struct timespec *timeout);
The aio_suspend() system call suspends the calling process until at least
one of the specified asynchronous I/O requests have completed, a signal
is delivered, or the timeout has passed.
The iocbs argument is an array of niocb pointers to asynchronous I/O
requests. Array members containing null pointers will be silently
If timeout is not a null pointer, it specifies a maximum interval to sus-
pend. If timeout is a null pointer, the suspend blocks indefinitely. To
effect a poll, the timeout should point to a zero-value timespec struc-
If one or more of the specified asynchronous I/O requests have completed,
aio_suspend() returns 0. Otherwise it returns -1 and sets errno to indi-
cate the error, as enumerated below.
The aio_suspend() system call will fail if:
[EAGAIN] the timeout expired before any I/O requests completed.
[EINVAL] The iocbs argument contains more than AIO_LISTIO_MAX
asynchronous I/O requests, or at least one of the
requests is not valid.
[EINTR] the suspend was interrupted by a signal.
aio_cancel(2), aio_error(2), aio_return(2), aio_waitcomplete(2),
The aio_suspend() system call is expected to conform to the IEEE Std
1003.1 ("POSIX.1") standard.
The aio_suspend() system call first appeared in FreeBSD 3.0.
This manual page was written by Wes Peters <email@example.com>.