Test : send signal to remote process.

regress/Makefile

@@ -84,7 +84,8 @@ LTESTS= 	connect \
 		cert-file \
 		cfginclude \
 		allow-deny-users \
-		authinfo
+		authinfo \
+		signal
 
 
 #		dhgex \

regress/signal.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+tid="escape char ~ST"
+
+start_sshd
+
+{ sleep 5; printf ~ST;} | ${SSH} -F $OBJ/ssh_config -tt somehost "alarm(){ echo \"ALARM\"; exit 124; };
+
+expected(){ echo \"TERM\"; exit 0; };
+
+trap alarm ALRM;
+trap expected TERM;
+(sleep 10 && kill -ALRM \$\$) &
+wait \$!;
+"
+
+ret=$?
+
+if [ $ret -ne 0 ]
+then
+  fail "Fail escape char with exitcode : $ret"
+fi