github.com/code-reading/golang@v0.0.0-20220303082512-ba5bc0e589a3/go/src/net/error_unix_test.go (about)

     1  // Copyright 2015 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 && !windows
     6  // +build !plan9,!windows
     7  
     8  package net
     9  
    10  import (
    11  	"os"
    12  	"syscall"
    13  )
    14  
    15  var (
    16  	errTimedout       = syscall.ETIMEDOUT
    17  	errOpNotSupported = syscall.EOPNOTSUPP
    18  
    19  	abortedConnRequestErrors = []error{syscall.ECONNABORTED} // see accept in fd_unix.go
    20  )
    21  
    22  func isPlatformError(err error) bool {
    23  	_, ok := err.(syscall.Errno)
    24  	return ok
    25  }
    26  
    27  func samePlatformError(err, want error) bool {
    28  	if op, ok := err.(*OpError); ok {
    29  		err = op.Err
    30  	}
    31  	if sys, ok := err.(*os.SyscallError); ok {
    32  		err = sys.Err
    33  	}
    34  	return err == want
    35  }