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-rw-r--r--mysys/thr_alarm.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/mysys/thr_alarm.c b/mysys/thr_alarm.c
index 1f9c4c3b068..7a845e3eb00 100644
--- a/mysys/thr_alarm.c
+++ b/mysys/thr_alarm.c
@@ -122,9 +122,21 @@ void init_thr_alarm(uint max_alarms)
/*
Request alarm after sec seconds.
- A pointer is returned with points to a non-zero int when the alarm has been
- given. This can't be called from the alarm-handling thread.
- Returns 0 if no more alarms are allowed (aborted by process)
+
+ SYNOPSIS
+ thr_alarm()
+ alrm Pointer to alarm detection
+ alarm_data Structure to store in alarm queue
+
+ NOTES
+ This function can't be called from the alarm-handling thread.
+
+ RETURN VALUES
+ 0 ok
+ 1 If no more alarms are allowed (aborted by process)
+
+ Stores in first argument a pointer to a non-zero int which is set to 0
+ when the alarm has been given
*/
my_bool thr_alarm(thr_alarm_t *alrm, uint sec, ALARM *alarm_data)