Function unlockShared [src]

Releases a held shared lock.

Prototype

pub fn unlockShared(rwl: *SingleThreadedRwLock) void

Parameters

rwl: *SingleThreadedRwLock

Source

  pub fn unlockShared(rwl: *SingleThreadedRwLock) void {
    switch (rwl.state) {
        .unlocked => unreachable, // too many calls to `unlockShared`
        .locked_exclusive => unreachable, // exclusively held lock
        .locked_shared => {
            rwl.shared_count -= 1;
            if (rwl.shared_count == 0) {
                rwl.state = .unlocked;
            }
        },
    }
}  