Source file src/os/rawconn.go

     1	// Copyright 2018 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	// +build !plan9
     6	
     7	package os
     8	
     9	import (
    10		"runtime"
    11	)
    12	
    13	// rawConn implements syscall.RawConn.
    14	type rawConn struct {
    15		file *File
    16	}
    17	
    18	func (c *rawConn) Control(f func(uintptr)) error {
    19		if err := c.file.checkValid("SyscallConn.Control"); err != nil {
    20			return err
    21		}
    22		err := c.file.pfd.RawControl(f)
    23		runtime.KeepAlive(c.file)
    24		return err
    25	}
    26	
    27	func (c *rawConn) Read(f func(uintptr) bool) error {
    28		if err := c.file.checkValid("SyscallConn.Read"); err != nil {
    29			return err
    30		}
    31		err := c.file.pfd.RawRead(f)
    32		runtime.KeepAlive(c.file)
    33		return err
    34	}
    35	
    36	func (c *rawConn) Write(f func(uintptr) bool) error {
    37		if err := c.file.checkValid("SyscallConn.Write"); err != nil {
    38			return err
    39		}
    40		err := c.file.pfd.RawWrite(f)
    41		runtime.KeepAlive(c.file)
    42		return err
    43	}
    44	
    45	func newRawConn(file *File) (*rawConn, error) {
    46		return &rawConn{file: file}, nil
    47	}
    48	

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