zig

commit 8ea2b40e5f621482d714fdd7cb05bbc592fc550b (tree)
parent 0edde40c25c033aec67f235365593ee26ff52740
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Mon, 11 Jan 2021 22:23:03 -0700

std.event.Loop: fix race condition when starting the time wheel

closes #7572

Diffstat:
M
lib/std/event/loop.zig
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/std/event/loop.zig b/lib/std/event/loop.zig
@@ -796,9 +796,10 @@ pub const Loop = struct {
                 .waiters = DelayQueue.Waiters{
                     .entries = std.atomic.Queue(anyframe).init(),
                 },
-                .thread = try std.Thread.spawn(self, DelayQueue.run),
                 .event = std.AutoResetEvent{},
                 .is_running = true,
+                // Must be last so that it can read the other state, such as `is_running`.
+                .thread = try std.Thread.spawn(self, DelayQueue.run),
             };
         }