net, syscall: use accept4 and SOCK_CLOEXEC on Linux
R=golang-dev, bradfitz, mikioh.mikioh, dave, minux.ma
CC=golang-dev
https://golang.org/cl/7227043
diff --git a/src/pkg/net/file_unix.go b/src/pkg/net/file_unix.go
index 0a64080..4c8403e 100644
--- a/src/pkg/net/file_unix.go
+++ b/src/pkg/net/file_unix.go
@@ -20,6 +20,10 @@
}
syscall.CloseOnExec(fd)
syscall.ForkLock.RUnlock()
+ if err = syscall.SetNonblock(fd, true); err != nil {
+ closesocket(fd)
+ return nil, err
+ }
sotype, err := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_TYPE)
if err != nil {
