Fix mutex cleanup crash on macOS/Linux#15684
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AssemblyCleanup may run on a different thread than AssemblyInitialize. On macOS/Linux the runtime throws InvalidOperationException (not ApplicationException) when ReleaseMutex is called from a non-owning thread. Widen the catch to handle both platforms. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Pull request overview
Adjusts integration test asset cleanup to avoid crashes when AssemblyCleanup runs on a different thread than AssemblyInitialize, which can cause Mutex.ReleaseMutex() to throw different exception types on macOS/Linux vs Windows.
Changes:
- Adds explanatory comments about cross-thread
ReleaseMutex()behavior across platforms. - Broadens the exception handling around
ReleaseMutex()during cleanup.
nohwnd
enabled auto-merge (squash)
April 16, 2026 13:30
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Apr 16, 2026
This was referenced Jul 14, 2026
This was referenced Jul 17, 2026
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AssemblyCleanup may run on a different thread than AssemblyInitialize. On macOS/Linux the .NET runtime throws InvalidOperationException (not ApplicationException) when ReleaseMutex() is called from a non-owning thread. This widens the catch to handle both platforms.