runtime: add network polling support into scheduler
This is a part of the bigger change that moves network poller into runtime:
https://golang.org/cl/7326051/
R=golang-dev, bradfitz, mikioh.mikioh, rsc
CC=golang-dev
https://golang.org/cl/7448048
diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h
index b027607..ffbd5c2 100644
--- a/src/pkg/runtime/runtime.h
+++ b/src/pkg/runtime/runtime.h
@@ -767,6 +767,7 @@
extern int64 runtime·blockprofilerate;
void runtime·addtimer(Timer*);
bool runtime·deltimer(Timer*);
+G* runtime·netpoll(bool);
#pragma varargck argpos runtime·printf 1
#pragma varargck type "d" int32
@@ -968,5 +969,5 @@
enum
{
- UseSpanType = 1,
+ UseSpanType = 0,
};
