runtime: initialize netpoll in TestNetpollBreak

Netpoll must be always be initialized when TestNetpollBreak is launched.
However, when it is run in standalone, it won't be the case, so it must
be forced.

Updates: #27707

Change-Id: I28147f3834f3d6aca982c6a298feadc09b55f66e
Reviewed-on: https://go-review.googlesource.com/c/go/+/204058
Run-TryBot: Clément Chigot <clement.chigot%atos.net@gtempaccount.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/runtime/export_test.go b/src/runtime/export_test.go
index f5b44a29a0040e33163160bd9c1452e0ebf8c29a..0bd5c902e8f4999b1488c3823fc450d62bb5488a 100644 (file)
--- a/src/runtime/export_test.go
+++ b/src/runtime/export_test.go
@@ -40,6 +40,8 @@ var Usleep = usleep
 
 var PhysHugePageSize = physHugePageSize
 
+var NetpollGenericInit = netpollGenericInit
+
 type LFNode struct {
        Next    uint64
        Pushcnt uintptr

diff --git a/src/runtime/proc_test.go b/src/runtime/proc_test.go
index 3a1bf91fa5d9ac069e20ee69a29b74f4ad3d2a4e..9b80ce31e5d69bd98218e404249be942c584d6fc 100644 (file)
--- a/src/runtime/proc_test.go
+++ b/src/runtime/proc_test.go
@@ -992,7 +992,7 @@ func TestNetpollBreak(t *testing.T) {
        }
 
        // Make sure that netpoll is initialized.
-       time.Sleep(1)
+       runtime.NetpollGenericInit()
 
        start := time.Now()
        c := make(chan bool, 2)