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Source file src/os/rawconn.go

Documentation: os

     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  //go:build !plan9
     6  // +build !plan9
     7  
     8  package os
     9  
    10  import (
    11  	"runtime"
    12  )
    13  
    14  // rawConn implements syscall.RawConn.
    15  type rawConn struct {
    16  	file *File
    17  }
    18  
    19  func (c *rawConn) Control(f func(uintptr)) error {
    20  	if err := c.file.checkValid("SyscallConn.Control"); err != nil {
    21  		return err
    22  	}
    23  	err := c.file.pfd.RawControl(f)
    24  	runtime.KeepAlive(c.file)
    25  	return err
    26  }
    27  
    28  func (c *rawConn) Read(f func(uintptr) bool) error {
    29  	if err := c.file.checkValid("SyscallConn.Read"); err != nil {
    30  		return err
    31  	}
    32  	err := c.file.pfd.RawRead(f)
    33  	runtime.KeepAlive(c.file)
    34  	return err
    35  }
    36  
    37  func (c *rawConn) Write(f func(uintptr) bool) error {
    38  	if err := c.file.checkValid("SyscallConn.Write"); err != nil {
    39  		return err
    40  	}
    41  	err := c.file.pfd.RawWrite(f)
    42  	runtime.KeepAlive(c.file)
    43  	return err
    44  }
    45  
    46  func newRawConn(file *File) (*rawConn, error) {
    47  	return &rawConn{file: file}, nil
    48  }
    49  

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