net: refactor poller into new internal/poll package

This will make it possible to use the poller with the os package.

This is a lot of code movement but the behavior is intended to be
unchanged.

Update #6817.
Update #7903.
Update #15021.
Update #18507.

Change-Id: I1413685928017c32df5654ded73a2643820977ae
Reviewed-on: https://go-review.googlesource.com/36799
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/runtime/net_plan9.go b/src/runtime/net_plan9.go
index 10fd089aea..b1ac7c7887 100644
--- a/src/runtime/net_plan9.go
+++ b/src/runtime/net_plan9.go
@@ -8,12 +8,12 @@ import (
 	_ "unsafe"
 )
 
-//go:linkname runtime_ignoreHangup net.runtime_ignoreHangup
+//go:linkname runtime_ignoreHangup internal/poll.runtime_ignoreHangup
 func runtime_ignoreHangup() {
 	getg().m.ignoreHangup = true
 }
 
-//go:linkname runtime_unignoreHangup net.runtime_unignoreHangup
+//go:linkname runtime_unignoreHangup internal/poll.runtime_unignoreHangup
 func runtime_unignoreHangup(sig string) {
 	getg().m.ignoreHangup = false
 }