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-rw-r--r--mysql-test/include/wait_condition.inc61
1 files changed, 61 insertions, 0 deletions
diff --git a/mysql-test/include/wait_condition.inc b/mysql-test/include/wait_condition.inc
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+++ b/mysql-test/include/wait_condition.inc
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+# include/wait_condition.inc
+#
+# SUMMARY
+#
+# Waits until the passed statement returns true, or the operation
+# times out.
+#
+# USAGE
+#
+# let $wait_condition=
+# SELECT c = 3 FROM t;
+# --source include/wait_condition.inc
+#
+# OR
+#
+# let $wait_timeout= 60; # Override default 30 seconds with 60.
+# let $wait_condition=
+# SELECT c = 3 FROM t;
+# --source include/wait_condition.inc
+# --echo Executed the test condition $wait_condition_reps times
+#
+# EXAMPLE
+# events_bugs.test, events_time_zone.test
+#
+
+--disable_query_log
+
+let $wait_counter= 300;
+if ($wait_timeout)
+{
+ let $wait_counter= `SELECT $wait_timeout * 10`;
+}
+# Reset $wait_timeout so that its value won't be used on subsequent
+# calls, and default will be used instead.
+let $wait_timeout= 0;
+
+# Keep track of how many times the wait condition is tested
+# This is used by some tests (e.g., main.status)
+let $wait_condition_reps= 0;
+while ($wait_counter)
+{
+ --error 0,ER_NO_SUCH_TABLE,ER_LOCK_WAIT_TIMEOUT,ER_UNKNOWN_COM_ERROR,ER_LOCK_DEADLOCK
+ let $success= `$wait_condition`;
+ inc $wait_condition_reps;
+ if ($success)
+ {
+ let $wait_counter= 0;
+ }
+ if (!$success)
+ {
+ real_sleep 0.1;
+ dec $wait_counter;
+ }
+}
+if (!$success)
+{
+ echo Timeout in wait_condition.inc for $wait_condition;
+ show full processlist;
+}
+
+--enable_query_log