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runtime: change 0 to pollNoError in netpollblock

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Change-Id: I95e91ff21420e396aef876e77bc4ccdc45ab40ca
GitHub-Last-Rev: 8e6bd3f002
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>
This commit is contained in:
Xargin 2021-07-28 20:40:07 +00:00 committed by Austin Clements
parent 08e2519ded
commit 69107e73ce
1 changed files with 1 additions and 1 deletions
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2
src/runtime/netpoll.go
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@ -441,7 +441,7 @@ func netpollblock(pd *pollDesc, mode int32, waitio bool) bool {
// need to recheck error states after setting gpp to pdWait // need to recheck error states after setting gpp to pdWait
// this is necessary because runtime_pollUnblock/runtime_pollSetDeadline/deadlineimpl // this is necessary because runtime_pollUnblock/runtime_pollSetDeadline/deadlineimpl
// do the opposite: store to closing/rd/wd, membarrier, load of rg/wg // 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) gopark(netpollblockcommit, unsafe.Pointer(gpp), waitReasonIOWait, traceEvGoBlockNet, 5)
} }
// be careful to not lose concurrent pdReady notification // be careful to not lose concurrent pdReady notification