Zig 0.17.0-dev (Split by item)

This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig library itself.

mutexUnlock

Same as Io.Mutex.unlock but avoids the VTable.

Threaded.mutexUnlock

pub fn mutexUnlock(m: *Io.Mutex) void

File

lib/std/Io/Threaded.zig:18937

Code

pub fn mutexUnlock(m: *Io.Mutex) void {
    switch (m.state.swap(.unlocked, .release)) {
        .unlocked => unreachable,
        .locked_once => {},
        .contended => {
            @branchHint(.unlikely);
            Thread.futexWake(@ptrCast(&m.state.raw), 1);
        },
    }
}