[PROTON-2030] Use CLOCK_MONOTONIC in proactors for pn_transport_tick

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-c-0.27.0
• Fix Version/s: proton-c-0.30.0
• Component/s: proton-c
• Assignee: Jiri Daněk
• Reporter: Jiri Daněk
• Created: 10/Apr/19 08:50
• Updated: 23/Apr/20 05:22
• Resolved: 21/Jan/20 11:42

Description

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.

Issue Links

• depends upon: PROTON-985 Modify pn_transport_tick to explicitly use a monotonic clock, not wall clock time
• links to: GitHub Pull Request #180