35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package syscall
|
|
|
|
// A RawConn is a raw network connection.
|
|
type RawConn interface {
|
|
// Control invokes f on the underlying connection's file
|
|
// descriptor or handle.
|
|
// The file descriptor fd is guaranteed to remain valid while
|
|
// f executes but not after f returns.
|
|
Control(f func(fd uintptr)) error
|
|
|
|
// Read invokes f on the underlying connection's file
|
|
// descriptor or handle; f is expected to try to read from the
|
|
// file descriptor.
|
|
// If f returns true, Read returns. Otherwise Read blocks
|
|
// waiting for the connection to be ready for reading and
|
|
// tries again repeatedly.
|
|
// The file descriptor is guaranteed to remain valid while f
|
|
// executes but not after f returns.
|
|
Read(f func(fd uintptr) (done bool)) error
|
|
|
|
// Write is like Read but for writing.
|
|
Write(f func(fd uintptr) (done bool)) error
|
|
}
|
|
|
|
// Conn is implemented by some types in the net and os packages to provide
|
|
// access to the underlying file descriptor or handle.
|
|
type Conn interface {
|
|
// SyscallConn returns a raw network connection.
|
|
SyscallConn() (RawConn, error)
|
|
}
|