diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/nng/nng.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/nng/nng.h b/include/nng/nng.h index d087805d..4d21287c 100644 --- a/include/nng/nng.h +++ b/include/nng/nng.h @@ -640,8 +640,11 @@ NNG_DECL void nng_aio_finish(nng_aio *, int); // final argument is passed to the cancelfn. The final argument of the // cancellation function is the error number (will not be zero) corresponding // to the reason for cancellation, e.g. NNG_ETIMEDOUT or NNG_ECANCELED. +// This returns false if the operation cannot be deferred (because the AIO +// has been stopped with nng_aio_stop.) If it does so, then the aio's +// completion callback will fire with a result of NNG_ECLOSED. typedef void (*nng_aio_cancelfn)(nng_aio *, void *, int); -NNG_DECL void nng_aio_defer(nng_aio *, nng_aio_cancelfn, void *); +NNG_DECL bool nng_aio_defer(nng_aio *, nng_aio_cancelfn, void *); // nng_aio_sleep does a "sleeping" operation, basically does nothing // but wait for the specified number of milliseconds to expire, then |