51 lines
1.3 KiB
Zig
51 lines
1.3 KiB
Zig
const std = @import("std");
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const Io = std.Io;
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const Simulator = @import("zigmulator");
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const assertSometimes = Simulator.assertSometimes;
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const Winner = enum {
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worker_a,
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worker_b,
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};
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var winner: ?Winner = null;
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fn workerA(init: std.process.Init) anyerror!void {
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if (winner == null)
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winner = .worker_a;
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assertSometimes(winner == .worker_a, @src(), "worker A won the startup race");
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var stdout = Io.File.stdout().writerStreaming(init.io, &.{});
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try stdout.interface.writeAll("worker A observed the winner\n");
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try stdout.interface.flush();
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}
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fn workerB(init: std.process.Init) anyerror!void {
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if (winner == null)
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winner = .worker_b;
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assertSometimes(winner == .worker_b, @src(), "worker B won the startup race");
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var stdout = Io.File.stdout().writerStreaming(init.io, &.{});
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try stdout.interface.writeAll("worker B observed the winner\n");
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try stdout.interface.flush();
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}
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pub fn main(init: std.process.Init) !void {
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winner = null;
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var sim: Simulator = undefined;
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sim.init(std.heap.page_allocator, init.io, 0);
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defer sim.deinit();
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try sim.addExecutable("worker_a", workerA);
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try sim.addExecutable("worker_b", workerB);
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try sim.spawn("worker_a", .{});
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try sim.spawn("worker_b", .{});
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while (sim.scheduleOne()) {}
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}
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