question: public static int SAVED_XERROR_HANDLER ( long display , XErrorEvent error ) { if ( saved_error_handler != 0 ) { } if ( log . isLoggable ( PlatformLogger . Level . FINE ) ) { log . fine ( "Unhandled XErrorEvent: " + "id=" + error . get_resourceid ( ) + ", " + "serial=" + error . get_serial ( ) + ", " + "ec=" + error . get_error_code ( ) + ", " + "rc=" + error . get_request_code ( ) + ", " + "mc=" + error . get_minor_code ( ) ) ; } return 0 ; }
target:  Should be called under LOCK.