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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 standard library. Public Function

lockUncancelable

Doc Source

Public Function

std.Io.Mutex.lockUncancelable

pub fn lockUncancelable(m: *Mutex, io: Io) void

Same as lock, except does not introduce a cancelation point.

For a description of cancelation and cancelation points, see Future.cancel.

Params

m: *Mutex
io: Io

File

Io.zig:1746

    pub fn lockUncancelable(m: *Mutex, io: Io) void {
        const initial_state = m.state.cmpxchgStrong(
            .unlocked,
            .locked_once,
            .acquire,
            .monotonic,
        ) orelse {
            @branchHint(.likely);
            return;
        };
        if (initial_state == .contended) {
            io.futexWaitUncancelable(State, &m.state.raw, .contended);
        }
        while (m.state.swap(.contended, .acquire) != .unlocked) {
            io.futexWaitUncancelable(State, &m.state.raw, .contended);
        }
    }