diff options
Diffstat (limited to 'src/core/aio.c')
| -rw-r--r-- | src/core/aio.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/core/aio.c b/src/core/aio.c index dd5edf0e..e0206830 100644 --- a/src/core/aio.c +++ b/src/core/aio.c @@ -70,6 +70,7 @@ struct nng_aio { unsigned a_expiring : 1; // expiration callback in progress unsigned a_waiting : 1; // a thread is waiting for this to finish unsigned a_synch : 1; // run completion synchronously + unsigned a_sleep : 1; // sleeping with no action nni_task a_task; // Read/write operations. @@ -375,6 +376,7 @@ nni_aio_finish_impl(nni_aio *aio, int rv, size_t count, nni_msg *msg) } aio->a_expire = NNI_TIME_NEVER; + aio->a_sleep = 0; // If we are expiring, then we rely on the expiration thread to // complete this; we must not because the expiration thread is @@ -471,6 +473,7 @@ nni_aio_expire_loop(void *arg) nni_aio * aio; nni_time now; nni_aio_cancelfn cancelfn; + int rv; NNI_ARG_UNUSED(arg); @@ -506,14 +509,18 @@ nni_aio_expire_loop(void *arg) // and the done flag won't be set either. aio->a_expiring = 1; cancelfn = aio->a_prov_cancel; + rv = aio->a_sleep ? 0 : NNG_ETIMEDOUT; + aio->a_sleep = 0; // Cancel any outstanding activity. This is always non-NULL // for a valid aio, and becomes NULL only when an AIO is // already being canceled or finished. if (cancelfn != NULL) { nni_mtx_unlock(&nni_aio_lk); - cancelfn(aio, NNG_ETIMEDOUT); + cancelfn(aio, aio->a_sleep ? 0 : NNG_ETIMEDOUT); nni_mtx_lock(&nni_aio_lk); + } else { + aio->a_pend = 1; } NNI_ASSERT(aio->a_pend); // nni_aio_finish was run @@ -612,6 +619,16 @@ nni_aio_iov_advance(nni_aio *aio, size_t n) } void +nni_sleep_aio(nng_duration ms, nng_aio *aio) +{ + nni_aio_set_timeout(aio, ms); + aio->a_sleep = 1; + if (nni_aio_start(aio, NULL, NULL)) { + return; + } +} + +void nni_aio_sys_fini(void) { nni_mtx *mtx = &nni_aio_lk; |