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1) Enable tests that use `import Dispatch` on Linux. Add substitution `%import-libdispatch` that needs to be used for all cross-platform tests (i.e., tests that are intended to be run on other platforms than Darwin) that do `import Dispatch` or enable thread sanitizer. 2) Make sure as many existing Dispatch and TSan tests as possible run on Linux. Mark tests that would require substantial work with `UNSUPPORTED: OS=linux-gnu`. 3) Add integration-style Swift test that shows that TSan finds a simple race when using `Dispatch.async` incorrectly. A more complete test suite for TSan's libdispatch support lives on the LLVM/compiler-rt side. rdar://problem/49177535
15 lines
587 B
Swift
15 lines
587 B
Swift
// RUN: %swift -typecheck -target x86_64-apple-macosx10.9 -verify -sdk %sdk %s
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// REQUIRES: OS=macosx
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// REQUIRES: libdispatch
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import Dispatch
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// Don't warn because these APIs were deprecated in macOS 10.10 and the
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// minimum deployment target is 10.9.
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_ = DispatchQueue.GlobalQueuePriority.high // no-warning
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_ = DispatchQueue.GlobalQueuePriority.default // no-warning
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_ = DispatchQueue.GlobalQueuePriority.low // no-warning
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_ = DispatchQueue.GlobalQueuePriority.background // no-warning
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_ = DispatchQueue.global(priority:DispatchQueue.GlobalQueuePriority.background) // no-warning
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