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| | #include <aio.h>
#include <pthread.h>
#include <errno.h>
int aio_cancel(int fd, struct aiocb *cb)
{
if (!cb) {
/* FIXME: for correctness, we should return AIO_ALLDONE
* if there are no outstanding aio operations on this
* file descriptor, but that would require making aio
* much slower, and seems to have little advantage since
* we don't support cancellation anyway. */
return AIO_NOTCANCELED;
}
return cb->__err==EINPROGRESS ? AIO_NOTCANCELED : AIO_ALLDONE;
}
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