io.justdevit.kotlin.boost.extension.Mutex.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of boost-commons Show documentation

Library to boost working with Kotlin/JVM projects.

The newest version!

package io.justdevit.kotlin.boost.extension

import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock

/**
 * Runs the specified [action] if the given [predicate] evaluates to `true`, while ensuring exclusive access to the
 * critical section by acquiring the mutex before running the action and releasing the mutex afterwards.
 *
 * @param predicate A function that evaluates the condition for executing the [action].
 * @param action The operation to perform if the [predicate] evaluates to `true`.
 */
suspend inline fun Mutex.runIf(predicate: () -> Boolean, action: () -> Unit) {
    if (predicate()) {
        withLock {
            if (predicate()) {
                action()
            }
        }
    }
}