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Fix concurrent remove

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This commit is contained in:
Him188 2020-02-02 19:56:46 +08:00
parent b38f82523f
commit ddae4c106a
1 changed files with 4 additions and 1 deletions
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5
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/LockFreeLinkedList.kt
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@ -132,7 +132,10 @@ open class LockFreeLinkedList<E> {
if (toRemove.isRemoved()) { if (toRemove.isRemoved()) {
continue continue
} }
toRemove.removed.value = true // logically remove: all the operations will recognize this node invalid if (!toRemove.removed.compareAndSet(false, true)) {
// logically remove: all the operations will recognize this node invalid
continue
}
// physically remove: try to fix the link // physically remove: try to fix the link