PHP 8.1.0 RC 4 available for testing

The Mutex class

(PECL pthreads < 3.0.0)



The Mutex class has been removed in pthreads v3.

The static methods contained in the Mutex class provide direct access to Posix Mutex functionality.


class Mutex {
/* Methoden */
final public static create( bool $lock = ?): int
final public static destroy( int $mutex ): bool
final public static lock( int $mutex ): bool
final public static trylock( int $mutex ): bool
final public static unlock( int $mutex , bool $destroy = ?): bool


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