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<title>rt-thread.git/src/utest/sched_timeout_race_tc.c, branch master</title>
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<updated>2026-08-21T08:52:01Z</updated>
<entry>
<title>[kernel][ipc] Fix timeout wakeup ownership race</title>
<updated>2026-08-21T08:52:01Z</updated>
<author>
<name>ari.liu</name>
<email>1486344514@qq.com</email>
</author>
<published>2026-08-21T03:16:10Z</published>
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<content type='text'>
Keep thread timer ownership when timer stop races with an in-flight timeout callback, and consume IPC resources only after a waiter is resumed successfully.

Complete ownership cleanup in the generic and RT-Smart channel timeout callbacks. Add deterministic scheduler and LWP regressions for Event, Semaphore, Mailbox, Message Queue, sender, and receiver paths.
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