error_unix_test.go

     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  
     7  package net
     8  
     9  import (
    10  	"errors"
    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  }
    36  
    37  func isENOBUFS(err error) bool {
    38  	return errors.Is(err, syscall.ENOBUFS)
    39  }
    40
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