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Unsynchronized access to ThreadSafeHeap in K/N #3547

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qwwdfsad opened this issue Dec 5, 2022 · 2 comments
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Unsynchronized access to ThreadSafeHeap in K/N #3547

qwwdfsad opened this issue Dec 5, 2022 · 2 comments
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@qwwdfsad
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qwwdfsad commented Dec 5, 2022

https://github.com/Kotlin/kotlinx.coroutines/blob/master/kotlinx-coroutines-core/common/src/EventLoop.common.kt#L441

Note that @Synchronized has no effect on K/N
qwwdfsad added a commit that referenced this issue Dec 7, 2022
@qwwdfsad
Make EventLoopImplBase properly synchronized on Kotlin/Native
ab260d9 
Fixes #3547
@qwwdfsad qwwdfsad mentioned this issue Dec 7, 2022
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qwwdfsad added a commit that referenced this issue Dec 27, 2022
@qwwdfsad
Make EventLoopImplBase properly synchronized on Kotlin/Native (#3550)
c194877 
Fixes #3547
@05nelsonm
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I know this was marked as fixed in #3550 , but wouldn't you also need to change anything marked as @Volatile to an AtomicRef?

kotlinx.coroutines/kotlinx-coroutines-core/common/src/EventLoop.common.kt

Line 418 in 725c46c

@Volatile

@qwwdfsad
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qwwdfsad commented Jan 2, 2023 •
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Nice catch!
This is just to suppress a TSAN warning and not actually a race, and it will be fixed automatically with K/N @volatile that is coming in 1.8.20

@qwwdfsad qwwdfsad closed this as completed Jan 3, 2023
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