Thread::Mutex#synchronize

[X] () { () -> X } -> X

mutex.synchronize { ... } → result of the block

static VALUE
rb_mutex_synchronize_m(VALUE self)
{
    if (!rb_block_given_p()) {
        rb_raise(rb_eThreadError, "must be called with a block");
    }

    return rb_mutex_synchronize(self, rb_yield, Qundef);
}

Obtains a lock, runs the block, and releases the lock when the block completes. See the example under Thread::Mutex.

See also #sleep #try_lock #owned? #unlock also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1

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