From 8d813848f07499c94c4fcd5425a319295fa0c878 Mon Sep 17 00:00:00 2001
From: qiuyi21 <mylove21@163.com>
Date: Sat, 19 Jul 2025 16:27:58 +0800
Subject: [PATCH] fix the issue where co::event cannot be woken up when a
 different coroutine's wait times out

Signed-off-by: qiuyi21 <mylove21@163.com>
---
 src/co/co.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/co/co.cc b/src/co/co.cc
index 08aad350..56b6cd31 100644
--- a/src/co/co.cc
+++ b/src/co/co.cc
@@ -321,7 +321,12 @@ bool event_impl::wait(uint32 ms) {
                 _wc.pop_front();
                 !x ? (void)(x = w) : co::free(w, sizeof(*w));
             }
-            x ? (void)(x->state = st_wait) : (void)(x = make_waitx(co));
+            if (x) {
+                x->co = co;
+                x->state = st_wait;
+            } else {
+                x = make_waitx(co);
+            }
             co->waitx = x;
             _wc.push_back(x);
         }