Pass Me2Me config via stdin.

remoting/host/posix/signal_handler.h

Index: remoting/host/posix/signal_handler.h
diff --git a/remoting/host/posix/sighup_listener.h b/remoting/host/posix/signal_handler.h
similarity index 51%
rename from remoting/host/posix/sighup_listener.h
rename to remoting/host/posix/signal_handler.h
index 48140a39f9a4460bcf877dae949822ec64f2a3cb..caf89efb567d69aa312385f516f2504da7cdd641 100644
--- a/remoting/host/posix/sighup_listener.h
+++ b/remoting/host/posix/signal_handler.h
@@ -6,17 +6,20 @@
 // and trigger the specified callback. It is used on Linux and Mac in order to
 // reload the me2me host configuration.
 
-#ifndef REMOTING_HOST_POSIX_SIGHUP_LISTENER_H_
-#define REMOTING_HOST_POSIX_SIGHUP_LISTENER_H_
+#ifndef REMOTING_HOST_POSIX_SIGNAL_HANDLER_H_
+#define REMOTING_HOST_POSIX_SIGNAL_HANDLER_H_
 
 #include "base/callback_forward.h"
 
 namespace remoting {
 
-// Register for SIGHUP notifications on the current thread, which must have
-// an associated MessageLoopForIO.
-bool RegisterHupSignalHandler(const base::Closure& callback);
+typedef base::Callback<void(int)> SignalHandler;
+
+// Register for signal notifications on the current thread, which must have
+// an associated MessageLoopForIO.  Multiple calls to RegisterSignalHandler
+// must all be made on the same thread.
+bool RegisterSignalHandler(int signal_number, const SignalHandler& handler);
 
 }  // namespace remoting
 
-#endif  // REMOTING_HOST_POSIX_SIGHUP_LISTENER_H_
+#endif  // REMOTING_HOST_POSIX_SIGNAL_HANDLER_H_