Enable pthread_mutex_t use on WASI with a multithreaded runtime.
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This PR opts WASI builds into using `pthread_mutex_t` in `Locked` when the WASI environment supports threading. `_runtime(_multithreaded)` was added very recently with swiftlang/swift#72649, so we need an additional compiler version check before testing the runtime flag. WASI with Swift 5.10, as well as WASI without threading, will continue to stub out `Locked`.
grynspan
added
enhancement
grynspan
requested review from
SeanROlszewski,
briancroom,
dennisweissmann,
stmontgomery and
suzannaratcliff
as code owners
grynspan
requested review from
kateinoigakukun
and removed request for
SeanROlszewski,
briancroom,
dennisweissmann,
stmontgomery and
suzannaratcliff
Contributor
Author
|
@kateinoigakukun, does this look right to you? |
Contributor
Author
|
@swift-ci please test |
…o assume it will be available in Swift 6.1 instead.
grynspan
requested review from
SeanROlszewski,
briancroom,
dennisweissmann,
stmontgomery and
suzannaratcliff
Contributor
Author
|
@swift-ci please test |
kateinoigakukun
approved these changes
Mar 31, 2024
briancroom
approved these changes
Apr 1, 2024
dennisweissmann
approved these changes
Apr 1, 2024
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This PR opts WASI builds into using
pthread_mutex_tinLockedwhen the WASI environment supports threading._runtime(_multithreaded)was added very recently with swiftlang/swift#72649, so we need an additional compiler version check before testing the runtime flag. That change has not been cherry-picked to Swift 6.0, so assume 6.1 or later is needed.WASI with Swift 5.10, as well as WASI without threading, will continue to stub out
Locked.Checklist: