10 commits landed upstream
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Build2.4.16618 → 2.4.16628
Commits10
Lines+404 -312
Read1 min
2026-07-312026-08-29
Categories
Fixes5
Compiler & platform2
Under the hood1
Housekeeping2
Fixes
5core: fixed TIcuLibrary locking code
core: fixed API-MS-Win-Core-Synch-l1-2-0.dll loading
core: fixed TOSLightLock usage comments in code
net: fixed potential out of range in TAsyncConnections.ThreadPollingWakeupLocked;
Compiler & platform
2core: TOSLightLock now uses WaitOnAddress/WakeByAddressSingle on Win8+
What changed
- instead of the SRW lock which purpose is not this - very high CAS fast path - just like TLIghtLock - use of Windows 32-bit futex API only on contention - the very same logic used on Linux did work directly!
core: TOsLightLock uses a futex on Linux
What changed
- is as fast as TLightLock on its fast CAS path - using a futex syscall is a perfect match in comparison with SpinAndWait/SwitchToThread - fallback to TLightLock logic on very old kernel (from 20 years ago) - validated against our TFB sample to give the best RPS with good stability - it makes Linus happy - but any feedback is welcome!