changed signal by fd close to signal by vio_close

added support for kill expr
fixed coredump in set @a := foo;
added testcase for user_var
added testcase for kill


sql/slave.cc:
  fd -> vio
sql/sql_class.cc:
  fd->vio, fixed coredump on set @a := foo;
sql/sql_class.h:
  fd -> vio
sql/sql_repl.cc:
  fd -> vio
sql/sql_yacc.yy:
  added support for kill expr - needed this for a clean test case of kill

1 files changed, 23 insertions, 0 deletions

diff --git a/mysql-test/t/kill.test b/mysql-test/t/kill.test
new file mode 100644
index 00000000000..19739c88673
--- /dev/null
+++ b/mysql-test/t/kill.test
@@ -0,0 +1,23 @@
+connect (con1, localhost, root,,test,0, mysql-master.sock);
+connect (con2, localhost, root,,test,0, mysql-master.sock);
+
+#remember id of con1
+connection con1;
+drop table if exists connection_kill;
+create table connection_kill (kill_id int);
+insert into connection_kill values(connection_id());
+
+#kill con1
+connection con2;
+select ((@id := kill_id) - kill_id) from connection_kill; 
+kill @id;
+
+# verify that con1 is really dead
+connection con1;
+error 2013;
+select 1;
+
+#make sure the server is still alive
+connection con2;
+select 4;
+drop table connection_kill;