sqlkiller

type SQLKiller struct {
	Finish func()

	ConnID atomic.Uint64
	// FinishFuncLock is used to ensure that Finish is not called and modified at the same time.
	// An external call to the Finish function only allows when the main goroutine to be in the writeResultSet process.
	// When the main goroutine exits the writeResultSet process, the Finish function will be cleared.
	FinishFuncLock sync.Mutex
	Signal         killSignal
	// InWriteResultSet is used to indicate whether the query is currently calling clientConn.writeResultSet().
	// If the query is in writeResultSet and Finish() can acquire rs.finishLock, we can assume the query is waiting for the client to receive data from the server over network I/O.
	InWriteResultSet atomic.Bool

	IsConnectionAlive atomic.Pointer[func() bool]
	// contains filtered or unexported fields
}