Fixed kill_alarm test and got it working

configure.in

@@ -923,6 +923,7 @@ AC_ARG_WITH(alarm,
 AC_MSG_CHECKING(whether to use alarms to implement socket timeout)
 if test "$use_alarm" = no ; then
   AC_DEFINE([NO_ALARM], [1], [No need to use alarm for socket timeout])
+  AC_DEFINE([SIGNAL_WITH_VIO_CLOSE], [1], [Need to use vio close for kill connection])
 fi
 AC_MSG_RESULT($use_alarm)
 

mysql-test/r/kill_alarm.result

+show processlist;
+Id	User	Host	db	Command	Time	State	Info
+2	root	localhost	test	Sleep	0		NULL
+3	root	localhost	test	Sleep	0		NULL
+4	root	localhost	test	Query	0	NULL	show processlist
+kill connection 3;
+show processlist;
+Id	User	Host	db	Command	Time	State	Info
+2	root	localhost	test	Sleep	4		NULL
+4	root	localhost	test	Query	0	NULL	show processlist

mysql-test/t/kill_alarm.test

+-- source include/not_embedded.inc
+
+connect (con1, localhost, root,,);
+connect (con2, localhost, root,,);
+
+connection con1;
+let $ID=`select connection_id()`;
+
+connection con2;
+show processlist;
+eval kill connection $ID;
+--sleep 4
+show processlist;