syscall, net: Add Recvmsg and Sendmsg on Linux.
Working on issue 1101.
R=rsc
CC=golang-dev
https://golang.org/cl/2331044
diff --git a/src/pkg/net/unixsock.go b/src/pkg/net/unixsock.go
index 82c0b6d..1c15e5e 100644
--- a/src/pkg/net/unixsock.go
+++ b/src/pkg/net/unixsock.go
@@ -277,6 +277,32 @@
return c.WriteToUnix(b, a)
}
+func (c *UnixConn) ReadMsgUnix(b, oob []byte) (n, oobn, flags int, addr *UnixAddr, err os.Error) {
+ if !c.ok() {
+ return 0, 0, 0, nil, os.EINVAL
+ }
+ n, oobn, flags, sa, err := c.fd.ReadMsg(b, oob)
+ switch sa := sa.(type) {
+ case *syscall.SockaddrUnix:
+ addr = &UnixAddr{sa.Name, c.fd.proto == syscall.SOCK_DGRAM}
+ }
+ return
+}
+
+func (c *UnixConn) WriteMsgUnix(b, oob []byte, addr *UnixAddr) (n, oobn int, err os.Error) {
+ if !c.ok() {
+ return 0, 0, os.EINVAL
+ }
+ if addr != nil {
+ if addr.Datagram != (c.fd.proto == syscall.SOCK_DGRAM) {
+ return 0, 0, os.EAFNOSUPPORT
+ }
+ sa := &syscall.SockaddrUnix{Name: addr.Name}
+ return c.fd.WriteMsg(b, oob, sa)
+ }
+ return c.fd.WriteMsg(b, oob, nil)
+}
+
// File returns a copy of the underlying os.File, set to blocking mode.
// It is the caller's responsibility to close f when finished.
// Closing c does not affect f, and closing f does not affect c.
