Vladimir Sukharev
27 lines
901 B
Kotlin
Vendored
27 lines
901 B
Kotlin
Vendored
@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
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import kotlinx.cinterop.*
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import kotlin.test.*
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import objcTests.*
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@Test
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fun testTryRetainGC() {
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kotlin.native.runtime.GC.collect()
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val weakRefHolder = WeakRefHolder()
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createGarbageNSObjects(weakRefHolder)
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weakRefHolder.obj = object : NSObject() {}
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// Loading weak ref takes a lock. If K/N runtime runs GC while the lock is taken,
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// then it releases garbage objects and thus Obj-C runtime might take a recursive lock
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// and abort in _os_unfair_lock_recursive_abort.
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weakRefHolder.loadManyTimes()
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}
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private fun createGarbageNSObjects(weakRefHolder: WeakRefHolder) {
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autoreleasepool {
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repeat(100) {
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// Assigning the object to a weak reference so Obj-C would take a lock when deallocating it:
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weakRefHolder.obj = NSObject()
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}
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weakRefHolder.obj = null
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}
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} |