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| -rw-r--r-- | exercises/091_async7.zig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/exercises/091_async7.zig b/exercises/091_async7.zig index 1b83795..629d276 100644 --- a/exercises/091_async7.zig +++ b/exercises/091_async7.zig @@ -52,6 +52,12 @@ fn increment(io: std.Io, state: *SharedState, times: u32) void { state.mutex.??? catch return; defer state.mutex.unlock(); // <-- what's missing here? + // Sleep to give the other tasks a chance to run in the meantime. + // We do this here only to make nondeterminism more visible. + io.sleep(std.Io.Duration.fromMilliseconds(1), .awake) catch {}; + + // What happens if you neglect to lock the mutex? + state.counter += 1; } } |