Comment 2 for bug 1119451

inc/common.sh changes to support the testcase:

$ bzr diff test/inc/common.sh
=== modified file 'test/inc/common.sh'
--- test/inc/common.sh 2013-03-08 04:37:16 +0000
+++ test/inc/common.sh 2013-03-18 05:20:44 +0000
@@ -436,5 +436,20 @@
     return ${PIPESTATUS[0]}
 }

+function open_persistent_mysql_pipe()
+{
+ local pipe=$(mktemp -u)
+ mkfifo -m 600 $pipe
+ eval "$1=$pipe"
+ (tail -f $pipe) | ${MYSQL} ${MYSQL_ARGS} &
+}
+
+function close_persistent_mysql_pipe()
+{
+ local pipe=$1
+ echo "exit" > $pipe
+ rm $pipe
+}
+
 # To avoid unbound variable error when no server have been started
 SRV_MYSQLD_IDS=