Add a general mechanism to wait on the debugger for Broadcasters of a given class/event bit set.
Use this to allow the lldb Driver to emit notifications for breakpoint modifications.
<rdar://problem/10619974>

llvm-svn: 150665
diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index afafaaf..8424d2a 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -146,7 +146,7 @@
     m_last_stop_packet (),
     m_last_stop_packet_mutex (Mutex::eMutexTypeNormal),
     m_register_info (),
-    m_async_broadcaster ("lldb.process.gdb-remote.async-broadcaster"),
+    m_async_broadcaster (NULL, "lldb.process.gdb-remote.async-broadcaster"),
     m_async_thread (LLDB_INVALID_HOST_THREAD),
     m_continue_c_tids (),
     m_continue_C_tids (),