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error.go
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error.go
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package exceptions
import (
"context"
"errors"
"io"
"net"
"os"
"syscall"
_ "unsafe"
F "github.com/sagernet/sing/common/format"
)
type Handler interface {
NewError(ctx context.Context, err error)
}
type MultiError interface {
Unwrap() []error
}
func New(message ...any) error {
return errors.New(F.ToString(message...))
}
func Cause(cause error, message ...any) error {
if cause == nil {
panic("cause on an nil error")
}
return &causeError{F.ToString(message...), cause}
}
func Extend(cause error, message ...any) error {
if cause == nil {
panic("extend on an nil error")
}
return &extendedError{F.ToString(message...), cause}
}
func IsClosedOrCanceled(err error) bool {
return IsMulti(err, io.EOF, net.ErrClosed, io.ErrClosedPipe, os.ErrClosed, syscall.EPIPE, syscall.ECONNRESET, context.Canceled, context.DeadlineExceeded)
}
func IsClosed(err error) bool {
return IsMulti(err, io.EOF, net.ErrClosed, io.ErrClosedPipe, os.ErrClosed, syscall.EPIPE, syscall.ECONNRESET)
}
func IsCanceled(err error) bool {
return IsMulti(err, context.Canceled, context.DeadlineExceeded)
}