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Source file src/syscall/net.go

Documentation: syscall

     1  // Copyright 2017 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  package syscall
     6  
     7  // A RawConn is a raw network connection.
     8  type RawConn interface {
     9  	// Control invokes f on the underlying connection's file
    10  	// descriptor or handle.
    11  	// The file descriptor fd is guaranteed to remain valid while
    12  	// f executes but not after f returns.
    13  	Control(f func(fd uintptr)) error
    14  
    15  	// Read invokes f on the underlying connection's file
    16  	// descriptor or handle; f is expected to try to read from the
    17  	// file descriptor.
    18  	// If f returns true, Read returns. Otherwise Read blocks
    19  	// waiting for the connection to be ready for reading and
    20  	// tries again repeatedly.
    21  	// The file descriptor is guaranteed to remain valid while f
    22  	// executes but not after f returns.
    23  	Read(f func(fd uintptr) (done bool)) error
    24  
    25  	// Write is like Read but for writing.
    26  	Write(f func(fd uintptr) (done bool)) error
    27  }
    28  
    29  // Conn is implemented by some types in the net package to provide
    30  // access to the underlying file descriptor or handle.
    31  type Conn interface {
    32  	// SyscallConn returns a raw network connection.
    33  	SyscallConn() (RawConn, error)
    34  }
    35  

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