MySQL Internals Manual  /  ...  /  Formal Syntax for DEBUG_SYNC Values

23.6.1 Formal Syntax for DEBUG_SYNC Values

The string to "assign" to the DEBUG_SYNC variable can contain:

{RESET |
    <sync point name> TEST |
    <sync point name> CLEAR |
    <sync point name> {{SIGNAL <signal name> |
                           WAIT_FOR <signal name> [TIMEOUT <seconds>]
                           [NO_CLEAR_EVENT]}
                         [EXECUTE <count>] &| HIT_LIMIT <count>}

Here '&|' means 'and/or'. This means that one of the sections separated by '&|' must be present or both of them.


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