diff --git a/Readme.md b/Readme.md
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--- a/Readme.md
+++ b/Readme.md
@@ -1,3 +1,14 @@
+# Todo
+## Extra
+Add support for multiple clients at the same time
+server
+	client pings server every 100 msecs, and only starts writing after receiving SIGUSR2 back
+	client sends \0 when done
+server
+	server waits for a signal when pid = 1
+	when server receives signal it sets the pid to the sender pid
+	it keeps ignoring signals from other PIDs untill it received \0 from the current pid
+	after \0 is received pid is set back to 1
 # Tester
 add valgrind to tester
 check for -Wall -Werror -Wextra  
diff --git a/vgcore.473853 b/vgcore.473853
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