Imported Upstream version 1.2upstream/1.2

1 files changed, 7 insertions, 2 deletions

diff --git a/src/pkg/net/ipsock_plan9.go b/src/pkg/net/ipsock_plan9.go
index c7d542dab..fcec4164f 100644
--- a/src/pkg/net/ipsock_plan9.go
+++ b/src/pkg/net/ipsock_plan9.go
@@ -12,13 +12,18 @@ import (
 	"syscall"
 )
 
-// /sys/include/ape/sys/socket.h:/SOMAXCONN
-var listenerBacklog = 5
+func probeIPv4Stack() bool {
+	// TODO(mikio): implement this when Plan 9 supports IPv6-only
+	// kernel.
+	return true
+}
 
 // probeIPv6Stack returns two boolean values.  If the first boolean
 // value is true, kernel supports basic IPv6 functionality.  If the
 // second boolean value is true, kernel supports IPv6 IPv4-mapping.
 func probeIPv6Stack() (supportsIPv6, supportsIPv4map bool) {
+	// TODO(mikio): implement this once Plan 9 gets an IPv6
+	// protocol stack implementation.
 	return false, false
 }