1 files changed, 75 insertions, 0 deletions
diff --git a/libgo/syscalls/socket_linux.go b/libgo/syscalls/socket_linux.go
new file mode 100644
index 000000000..cdcdf4ff2
--- /dev/null
+++ b/libgo/syscalls/socket_linux.go
@@ -0,0 +1,75 @@
+// socket_linux.go -- Socket handling specific to Linux.
+
+// Copyright 2010 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.
+
+package syscall
+
+const SizeofSockaddrInet4 = 16
+const SizeofSockaddrInet6 = 28
+const SizeofSockaddrUnix = 110
+
+type RawSockaddrInet4 struct {
+	Family uint16;
+	Port uint16;
+	Addr [4]byte /* in_addr */;
+	Zero [8]uint8;
+}
+
+func (sa *RawSockaddrInet4) setLen() Socklen_t {
+	return SizeofSockaddrInet4
+}
+
+type RawSockaddrInet6 struct {
+	Family uint16;
+	Port uint16;
+	Flowinfo uint32;
+	Addr [16]byte /* in6_addr */;
+	Scope_id uint32;
+}
+
+func (sa *RawSockaddrInet6) setLen() Socklen_t {
+	return SizeofSockaddrInet6
+}
+
+type RawSockaddrUnix struct {
+	Family uint16;
+	Path [108]int8;
+}
+
+func (sa *RawSockaddrUnix) setLen(int) {
+}
+
+func (sa *RawSockaddrUnix) getLen() (int, int) {
+	if sa.Path[0] == 0 {
+		// "Abstract" Unix domain socket.
+		// Rewrite leading NUL as @ for textual display.
+		// (This is the standard convention.)
+		// Not friendly to overwrite in place,
+		// but the callers below don't care.
+		sa.Path[0] = '@';
+	}
+
+	// Assume path ends at NUL.
+	// This is not technically the Linux semantics for
+	// abstract Unix domain sockets--they are supposed
+	// to be uninterpreted fixed-size binary blobs--but
+	// everyone uses this convention.
+	n := 0;
+	for n < len(sa.Path) - 3 && sa.Path[n] != 0 {
+		n++;
+	}
+
+	return n, 0
+}
+
+type RawSockaddr struct {
+	Family uint16;
+	Data [14]int8;
+}
+
+// BindToDevice binds the socket associated with fd to device.
+func BindToDevice(fd int, device string) (errno int) {
+	return SetsockoptString(fd, SOL_SOCKET, SO_BINDTODEVICE, device)
+}