2009-07-17 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

	Updated doc
	* src/main.cc

ChangeLog

@@ -1,3 +1,8 @@
+2009-07-17  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Updated doc
+	* src/main.cc
+
 2009-07-17  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Updated debug log message

src/main.cc

@@ -213,6 +213,8 @@ downloadresultcode::RESULT main(int argc, char* argv[])
     Util::setGlobalSignalHandler(SIGPIPE, SIG_IGN, 0);
 #endif
 #ifdef SIGCHLD
+    // Avoid to create zombie process when forked child processes are
+    // died.
     Util::setGlobalSignalHandler(SIGCHLD, SIG_IGN, 0);
 #endif // SIGCHILD
     std::deque<SharedHandle<RequestGroup> > requestGroups;