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#include "aio.h" // for aio_error, aiocb (ptr only)
#include <__aio.h> // for aio_request, __aio_lookup, AIO_REQUEST_STATUS_PE...
#include <errno.h> // for EINVAL, errno, EINPROGRESS
#include <stddef.h> // for NULL
int aio_error(const struct aiocb *aiocbp)
{
struct aio_request *req;
if (aiocbp == NULL) {
errno = EINVAL;
return -1;
}
req = __aio_lookup(aiocbp);
if (req == NULL) {
errno = EINVAL;
return -1;
}
if (req->status == AIO_REQUEST_STATUS_PENDING) {
return EINPROGRESS;
}
return req->result < 0 ? -req->result : 0;
}
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