code review 143830044: net: separate NaCl dependent placeholders from BSD's

src/net/sockopt_stub.go

 // Copyright 2011 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build nacl
+
 package net
 
-import (
-        "os"
-        "syscall"
-)
+import "syscall"
 
 func setDefaultSockopts(s, family, sotype int, ipv6only bool) error {
-        if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW {
-                // Allow both IP versions even if the OS default
-                // is otherwise.  Note that some operating systems
-                // never admit this option.
-                syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, boolint(ipv6only))
-        }
-        // Allow broadcast.
-        return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1))
+        return nil
 }
 
 func setDefaultListenerSockopts(s int) error {
-        // Allow reuse of recently-used addresses.
-        return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
+        return nil
 }
 
 func setDefaultMulticastSockopts(s int) error {
-        // Allow multicast UDP and raw IP datagram sockets to listen
-        // concurrently across multiple listeners.
-        return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
+        return nil
 }
+
+func setReadBuffer(fd *netFD, bytes int) error {
+        return syscall.ENOPROTOOPT
+}
+
+func setWriteBuffer(fd *netFD, bytes int) error {
+        return syscall.ENOPROTOOPT
+}
+
+func setKeepAlive(fd *netFD, keepalive bool) error {
+        return syscall.ENOPROTOOPT
+}
+
+func setLinger(fd *netFD, sec int) error {
+        return syscall.ENOPROTOOPT
+}