Merge pull request #5448 from vrothberg/update-systemd

update systemd & dbus dependencies

1 files changed, 25 insertions, 0 deletions

diff --git a/vendor/github.com/godbus/dbus/v5/transport_unixcred_linux.go b/vendor/github.com/godbus/dbus/v5/transport_unixcred_linux.go
new file mode 100644
index 000000000..d9dfdf698
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/v5/transport_unixcred_linux.go
@@ -0,0 +1,25 @@
+// The UnixCredentials system call is currently only implemented on Linux
+// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
+// https://golang.org/s/go1.4-syscall
+// http://code.google.com/p/go/source/browse/unix/sockcmsg_linux.go?repo=sys
+
+package dbus
+
+import (
+	"io"
+	"os"
+	"syscall"
+)
+
+func (t *unixTransport) SendNullByte() error {
+	ucred := &syscall.Ucred{Pid: int32(os.Getpid()), Uid: uint32(os.Getuid()), Gid: uint32(os.Getgid())}
+	b := syscall.UnixCredentials(ucred)
+	_, oobn, err := t.UnixConn.WriteMsgUnix([]byte{0}, b, nil)
+	if err != nil {
+		return err
+	}
+	if oobn != len(b) {
+		return io.ErrShortWrite
+	}
+	return nil
+}