Function tryLock [src]

Attempts to obtain exclusive lock ownership. Returns true if the lock is obtained, false otherwise.

Prototype

pub fn tryLock(rwl: *SingleThreadedRwLock) bool

Parameters

rwl: *SingleThreadedRwLock

Source

  pub fn tryLock(rwl: *SingleThreadedRwLock) bool {
    switch (rwl.state) {
        .unlocked => {
            assert(rwl.shared_count == 0);
            rwl.state = .locked_exclusive;
            return true;
        },
        .locked_exclusive, .locked_shared => return false,
    }
}  