tiny.simd.SpinPause

1pub const SpinPause = struct {2    pub fn spinType(_: SpinPause) SpinType {3        return .pause;4    }56    pub fn untilDifferent(7        _: SpinPause,8        previous: u32,9        watched: *const std.atomic.Value(u32),10    ) SpinResult {11        var repetitions: u32 = 0;12        while (true) : (repetitions +%= 1) {13            const current = watched.load(.acquire);14            if (current != previous) {15                return .{16                    .value = current,17                    .repetitions = repetitions,18                };19            }20            std.atomic.spinLoopHint();21        }22    }2324    pub fn untilEqual(25        _: SpinPause,26        expected: u32,27        watched: *const std.atomic.Value(u32),28    ) usize {29        var repetitions: usize = 0;30        while (watched.load(.acquire) != expected) : (repetitions +%= 1) {31            std.atomic.spinLoopHint();32        }33        return repetitions;34    }35};

1pub const SpinPause = thread.SpinPause;