Instance methods

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instance method

Mutex#try_lock

mutex.try_lock → true or false

VALUE
rb_mutex_trylock(VALUE self)
{
    rb_mutex_t *mutex = mutex_ptr(self);

    if (mutex->fiber == 0) {
        rb_fiber_t *fiber = GET_EC()->fiber_ptr;
        rb_thread_t *th = GET_THREAD();
        mutex->fiber = fiber;

        mutex_locked(th, self);
        return Qtrue;
    }

    return Qfalse;
}

Attempts to obtain the lock and returns immediately. Returns true if the lock was granted.