Function tryLock [src]

Prototype

pub fn tryLock(rwl: *DefaultRwLock) bool

Parameters

rwl: *DefaultRwLock

Source

  pub fn tryLock(rwl: *DefaultRwLock) bool {
    if (rwl.mutex.tryLock()) {
        const state = @atomicLoad(usize, &rwl.state, .seq_cst);
        if (state & READER_MASK == 0) {
            _ = @atomicRmw(usize, &rwl.state, .Or, IS_WRITING, .seq_cst);
            return true;
        }

        rwl.mutex.unlock();
    }

    return false;
}  