From: Xargin <buaa.cch@gmail.com>
Date: Wed, 28 Jul 2021 20:40:07 +0000 (+0000)
Subject: runtime: change 0 to pollNoError in netpollblock
X-Git-Tag: go1.18beta1~1512
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=69107e73cedb600187c5924247cdd0cf8f74070a;p=gostls13.git

runtime: change 0 to pollNoError in netpollblock

Change-Id: I95e91ff21420e396aef876e77bc4ccdc45ab40ca
GitHub-Last-Rev: 8e6bd3f002b1c29fed8ce1bd344f7727e8580555
GitHub-Pull-Request: golang/go#47372
Reviewed-on: https://go-review.googlesource.com/c/go/+/337249
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
---

diff --git a/src/runtime/netpoll.go b/src/runtime/netpoll.go
index 6c26fdbbeb..239371158f 100644
--- a/src/runtime/netpoll.go
+++ b/src/runtime/netpoll.go
@@ -441,7 +441,7 @@ func netpollblock(pd *pollDesc, mode int32, waitio bool) bool {
 	// need to recheck error states after setting gpp to pdWait
 	// this is necessary because runtime_pollUnblock/runtime_pollSetDeadline/deadlineimpl
 	// do the opposite: store to closing/rd/wd, membarrier, load of rg/wg
-	if waitio || netpollcheckerr(pd, mode) == 0 {
+	if waitio || netpollcheckerr(pd, mode) == pollNoError {
 		gopark(netpollblockcommit, unsafe.Pointer(gpp), waitReasonIOWait, traceEvGoBlockNet, 5)
 	}
 	// be careful to not lose concurrent pdReady notification