diff options
Diffstat (limited to 'src/net/sockoptip_bsd.go')
-rw-r--r-- | src/net/sockoptip_bsd.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/net/sockoptip_bsd.go b/src/net/sockoptip_bsd.go new file mode 100644 index 000000000..2199e480d --- /dev/null +++ b/src/net/sockoptip_bsd.go @@ -0,0 +1,34 @@ +// 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 darwin dragonfly freebsd netbsd openbsd + +package net + +import ( + "os" + "syscall" +) + +func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error { + ip, err := interfaceToIPv4Addr(ifi) + if err != nil { + return os.NewSyscallError("setsockopt", err) + } + var a [4]byte + copy(a[:], ip.To4()) + if err := fd.incref(); err != nil { + return err + } + defer fd.decref() + return os.NewSyscallError("setsockopt", syscall.SetsockoptInet4Addr(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, a)) +} + +func setIPv4MulticastLoopback(fd *netFD, v bool) error { + if err := fd.incref(); err != nil { + return err + } + defer fd.decref() + return os.NewSyscallError("setsockopt", syscall.SetsockoptByte(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, byte(boolint(v)))) +} |