synchronized

Common
1.0
inline fun <R> synchronized(lock: Any, block: () -> R): R
(source)
Deprecated: Synchronization on any object is not supported on every platform and will be removed from the common standard library soon.
JVM
JS
1.0
inline fun <R> synchronized(lock: Any, block: () -> R): R
(JVM source) (JS source)

Executes the given function block while holding the monitor of the given object lock.