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Item_func_get_lock Class Reference
Inheritance diagram for Item_func_get_lock:
Item_int_func Item_func Item_result_field Item

List of all members.

Public Member Functions

 Item_func_get_lock (Item *a, Item *b)
longlong val_int ()
const char * func_name () const
void fix_length_and_dec ()

Member Function Documentation

longlong Item_func_get_lock::val_int ( void  ) [virtual]

Get a user level lock. If the thread has an old lock this is first released.

Return values:
1: Got lock
0: Timeout
NULL: Error

Implements Item.

The documentation for this class was generated from the following files:
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