trackrdrd: all of README.rst finished except for DESCRIPTION

signals.rst

+====== ========== ============
+Signal Parent     Child
+====== ========== ============
+TERM   Shutdown   Shutdown
+------ ---------- ------------
+INT    Shutdown   Shutdown
+------ ---------- ------------
+HUP    Graceful   Ignore
+       restart
+------ ---------- ------------
+USR1   Graceful   Dump data
+       restart    table to log
+------ ---------- ------------
+USR2   Ignore     Ignore
+------ ---------- ------------
+ABRT   Abort with Abort with
+       stacktrace stacktrace
+------ ---------- ------------
+SEGV   Abort with Abort with
+       stacktrace stacktrace
+------ ---------- ------------
+BUS    Abort with Abort with
+       stacktrace stacktrace
+====== ========== ============
+

src/signals.h

@@ -34,7 +34,6 @@ PARENT(SIGINT, terminate_action);
 PARENT(SIGHUP, restart_action);
 PARENT(SIGUSR1, restart_action);
 PARENT(SIGUSR2, ignore_action);
-PARENT(SIGHUP, restart_action);
 #ifndef DISABLE_STACKTRACE
 PARENT(SIGABRT, stacktrace_action);
 PARENT(SIGSEGV, stacktrace_action);

workerlog.rst

+============== ================================================================
+Field          Description
+============== ================================================================
+``seen``       Number of request records received by this thread
+-------------- ----------------------------------------------------------------
+``waits``      How many times this thread went into the ``waiting`` state
+-------------- ----------------------------------------------------------------
+``sent``       Number of records successfully sent to a message broker
+-------------- ----------------------------------------------------------------
+``reconnects`` How often this thread reconnected to a message broker (after
+               failing to send a message)
+-------------- ----------------------------------------------------------------
+``restarts``   How often this thread restarted (after a failed reconnection
+               attempt)
+-------------- ----------------------------------------------------------------
+``failed``     Number of failed attempts to send a message (after reconnection
+               succeeded, but the send retry failed)
+============== ================================================================
+