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now SmartMutex and SmartSemaphore (and SmartRWLocker as a result) works on SpecialMutableStateFlow

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InsanusMokrassar 2024-05-12 21:44:33 +06:00
parent 4901a8844c
commit e75125f6df
3 changed files with 6 additions and 2 deletions
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2
coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SmartMutex.kt
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@ -44,7 +44,7 @@ sealed interface SmartMutex {
* @param locked Preset state of [isLocked] and its internal [_lockStateFlow]
*/
class Mutable(locked: Boolean = false) : SmartMutex {
private val _lockStateFlow = MutableStateFlow<Boolean>(locked)
private val _lockStateFlow = SpecialMutableStateFlow<Boolean>(locked)
override val lockStateFlow: StateFlow<Boolean> = _lockStateFlow.asStateFlow()
private val internalChangesMutex = Mutex()

2
coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SmartSemaphore.kt
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@ -45,7 +45,7 @@ sealed interface SmartSemaphore {
* @param locked Preset state of [freePermits] and its internal [_freePermitsStateFlow]
*/
class Mutable(private val permits: Int, acquiredPermits: Int = 0) : SmartSemaphore {
private val _freePermitsStateFlow = MutableStateFlow<Int>(permits - acquiredPermits)
private val _freePermitsStateFlow = SpecialMutableStateFlow<Int>(permits - acquiredPermits)
override val permitsStateFlow: StateFlow<Int> = _freePermitsStateFlow.asStateFlow()
private val internalChangesMutex = Mutex(false)

4
coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SpecialMutableStateFlow.kt
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@ -44,6 +44,10 @@ open class SpecialMutableStateFlow<T>(
override val subscriptionCount: StateFlow<Int>
get() = sharingFlow.subscriptionCount
init {
sharingFlow.tryEmit(initialValue)
}
override fun compareAndSet(expect: T, update: T): Boolean {
if (expect == value) {
value = update