Support platforms back to macOS 10.15, iOS 13, tvOS 13, and watchOS 6 #7
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czechboy0
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Jun 12, 2023
czechboy0
reviewed
Jun 12, 2023
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@swift-server-bot add to allowlist |
czechboy0
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Jun 12, 2023
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Thanks @denil-ct for diving in on this one. I left a comment to explore whether this method selection is necessary.
If you're wondering about the "soundness" CI failure, it's failing on swift-format. You should be able to run that locally, from the scripts/ directory.
denil-ct
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Jun 13, 2023
czechboy0
reviewed
Jun 13, 2023
czechboy0
reviewed
Jun 13, 2023
|
@czechboy0 could you create a new release for the runtime, since the PR has been merged there? |
@denil-ct https://github.com/apple/swift-openapi-runtime/releases/tag/0.1.3 |
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@simonjbeaumont @czechboy0 please review and merge |
czechboy0
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Jun 13, 2023
simonjbeaumont
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simonjbeaumont
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…#46) ### Motivation When running the cancellation tests in a loop, very occasionally there would be a crash with the following backtrace: ``` #0 0x000000018aa008d4 in objc_opt_respondsToSelector () #1 0x000000018aea3410 in _outputStreamCallbackFunc () #2 0x000000018aea3310 in _signalEventSync () #3 0x000000018aeecdb0 in ___signalEventQueue_block_invoke () #4 0x000000018abe6cb8 in _dispatch_call_block_and_release () #5 0x000000018abe8910 in _dispatch_client_callout () #6 0x000000018abefea4 in _dispatch_lane_serial_drain () #7 0x000000018abf0a08 in _dispatch_lane_invoke () #8 0x000000018abfb61c in _dispatch_root_queue_drain_deferred_wlh () #9 0x000000018abfae90 in _dispatch_workloop_worker_thread () #10 0x000000018ad96114 in _pthread_wqthread () ``` This seems to indicate that the output stream is trying to access its delegate. However, when running with debug logging enabled I can see that the delegate has already been deinitialized. This is likely a result of the delegate itself owning the stream and setting the stream delegate to `self`, which IIUC is an established pattern. This presents a race in teardown. ### Modifications This patch sets the output stream delegate to `nil` in the delegate `deinit`. ### Result No attempts to call the delegate will happen after it is has been deinitailzed. ### Test Plan With this patch, the failing test passes when run an order of magnitude more times than were required to reliably reproduce the crash without the patch.
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Motivation
Reduce deployment target by 3 versions to gain more adoption.
Modifications
invokeSessionmethod to support iOS 13+swift-openapi-runtimeversion once changes are done there.Result
Deployment target will be reduced by 3 versions.