Fixing memory leaks in input framework.

testing/btest/core/leaks/input-with-remove.bro

@@ -0,0 +1,63 @@
+# Needs perftools support.
+#
+# @TEST-GROUP: leaks
+#
+# @TEST-REQUIRES: bro  --help 2>&1 | grep -q mem-leaks
+#
+# @TEST-EXEC: HEAP_CHECK_DUMP_DIRECTORY=. HEAPCHECK=local btest-bg-run bro bro -b -m -r $TRACES/wikipedia.trace %INPUT
+# @TEST-EXEC: btest-bg-wait 15
+
+@load base/frameworks/input
+
+redef exit_only_after_terminate = T;
+
+global c: count = 0;
+
+
+type OneLine: record {
+	s: string;
+};
+
+event line(description: Input::EventDescription, tpe: Input::Event, s: string)
+	{
+	print "1", "Line";
+	}
+
+event InputRaw::process_finished(name: string, source:string, exit_code:count, signal_exit:bool)
+	{
+	Input::remove(name);
+	print "2", name;
+	}
+
+function run(): count
+	{
+	Input::add_event([$name=unique_id(""),
+	                  $source=fmt("%s |", "date"),
+	                  $reader=Input::READER_RAW,
+	                  $mode=Input::STREAM,
+	                  $fields=OneLine,
+	                  $ev=line,
+	                  $want_record=F]);
+
+	return 1;
+	}
+
+
+event do()
+       {
+       run();
+    	}
+
+event do_term() {
+	terminate();
+}
+
+event bro_init() {
+	schedule 1sec { 
+	 do() 
+	};
+	schedule 3sec { 
+	 do_term() 
+	};
+}
+