Zig 0.17.0-dev (Split by item)

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updateStepStatus

WebServer.updateStepStatus

pub fn updateStepStatus(
    ws: *WebServer,
    step_index: Configuration.Step.Index,
    new_status: abi.StepUpdate.Status,
) void

File

lib/compiler/Maker/WebServer.zig:246

Code

pub fn updateStepStatus(
    ws: *WebServer,
    step_index: Configuration.Step.Index,
    new_status: abi.StepUpdate.Status,
) void {
    const configured = &ws.configured.?;
    const maker = configured.maker;
    const all_steps = maker.step_stack.keys();
    const step_idx: u32 = for (all_steps, 0..) |s, i| {
        if (s == step_index) break @intCast(i);
    } else unreachable;
    const ptr = &configured.step_status_bits[step_idx / 4];
    const bit_offset: u3 = @intCast((step_idx % 4) * 2);
    const old_bits: u2 = @truncate(@atomicLoad(u8, ptr, .monotonic) >> bit_offset);
    const mask = @as(u8, @backingInt(new_status) ^ old_bits) << bit_offset;
    _ = @atomicRmw(u8, ptr, .Xor, mask, .monotonic);
    ws.notifyUpdate();
}