var (

	// ErrOverRecovery is returned when the times of starting over child prefork processes exceed
	// the threshold.
	ErrOverRecovery = errors.New("exceeding the value of RecoverThreshold")

	// ErrOnlyReuseportOnWindows is returned when Reuseport is false.
	ErrOnlyReuseportOnWindows = errors.New("windows only supports Reuseport = true")
)

type Logger interface {
	// Printf must have the same semantics as log.Printf.
	Printf(format string, args ...interface{})
}

type Prefork struct {
	// The network must be "tcp", "tcp4" or "tcp6".
	//
	// By default is "tcp4"
	Network string

	// Flag to use a listener with reuseport, if not a file Listener will be used
	// See: https://www.nginx.com/blog/socket-sharding-nginx-release-1-9-1/
	//
	// It's disabled by default
	Reuseport bool

	// Child prefork processes may exit with failure and will be started over until the times reach
	// the value of RecoverThreshold, then it will return and terminate the server.
	RecoverThreshold int

	// By default standard logger from log package is used.
	Logger Logger

	ServeFunc         func(ln net.Listener) error
	ServeTLSFunc      func(ln net.Listener, certFile, keyFile string) error
	ServeTLSEmbedFunc func(ln net.Listener, certData, keyData []byte) error
	// contains filtered or unexported fields
}