From 66f2cbb91fd12efaa50c5e7f2db43f1dc5b63cf5 Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Sun, 7 Jul 2024 17:23:21 +0800
Subject: [PATCH] runtime chan fix: ChanTryRecv

---
 internal/runtime/z_chan.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/internal/runtime/z_chan.go b/internal/runtime/z_chan.go
index 9bf5fefa1..950c60968 100644
--- a/internal/runtime/z_chan.go
+++ b/internal/runtime/z_chan.go
@@ -167,10 +167,10 @@ func ChanTryRecv(p *Chan, v unsafe.Pointer, eltSize int) (recvOK bool, tryOK boo
 	p.cond.Broadcast()
 	if n == 0 {
 		p.mutex.Lock()
-		if p.getp == chanHasRecv {
+		for p.getp == chanHasRecv && !p.close {
 			p.cond.Wait(&p.mutex)
 		}
-		recvOK = (p.getp != chanHasRecv)
+		recvOK = !p.close
 		tryOK = recvOK
 		p.mutex.Unlock()
 	} else {