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https://issues.apache.org/jira/browse/PROTON-2030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16964126#comment-16964126
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ASF GitHub Bot commented on PROTON-2030:
----------------------------------------
alanconway commented on pull request #180: PROTON-2030 Use CLOCK_MONOTONIC in
proactors for pn_transport_tick
URL: https://github.com/apache/qpid-proton/pull/180#discussion_r341202605
##########
File path: c/src/proactor/epoll.c
##########
@@ -1426,10 +1419,10 @@ static void pconnection_tick(pconnection_t *pc) {
pn_transport_t *t = pc->driver.transport;
if (pn_transport_get_idle_timeout(t) ||
pn_transport_get_remote_idle_timeout(t)) {
ptimer_set(&pc->timer, 0);
- uint64_t now = pn_i_now2();
- uint64_t next = pn_transport_tick(t, now);
+ int64_t now = pn_proactor_now_64();
+ int64_t next = pn_transport_tick(t, now);
if (next) {
- ptimer_set(&pc->timer, next - now);
+ ptimer_set(&pc->timer, (uint64_t) next - now);
}
Review comment:
@astitcher and I are in violent agreement, just like old times. Signed in
the API, and the @astitcher unsigned magic in the impl is correct. Speculation
about horseshoe crabs out-evolving humans in the distant future is irrelevant
(they probably already have)
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> Use CLOCK_MONOTONIC in proactors for pn_transport_tick
> ------------------------------------------------------
>
> Key: PROTON-2030
> URL: https://issues.apache.org/jira/browse/PROTON-2030
> Project: Qpid Proton
> Issue Type: Improvement
> Components: proton-c
> Affects Versions: proton-c-0.27.0
> Reporter: Jiri Daněk
> Priority: Major
>
> IOCP and epoll proactors are feeding wall clock time to pn_transport_tick. I
> tested (with epoll) that changing system clock breaks heartbeating.
> The libuv proactor does use monotonic already.
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