tag

#thread-pools

3 posts

WindowsDeep Dive October 3, 2026 7 min read

Windows Thread-Pool Cleanup Groups: Quiescing Callbacks Before Freeing State

Use Windows thread-pool cleanup groups to cancel queued callbacks, wait for running work, and release callback contexts without use-after-free or shutdown deadlocks.

#windows#win32#concurrency

WindowsDeep Dive October 3, 2026 7 min read

Windows Thread-Pool Waits: Re-Registration and Safe Handle Teardown

Register a Windows thread-pool wait on one event, re-arm it deliberately, and cancel queued callbacks before closing handles or freeing callback state.

#windows#win32#thread-pools

WindowsDeep Dive October 3, 2026 7 min read

Windows Timer-Queue Timers: Callback Overlap, Cancellation, and Drain

Manage legacy Windows timer-queue callbacks safely: prevent overlap surprises, stop new expirations, wait for callbacks, and release callback state last.

#windows#win32#timers