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Source file src/crypto/rand/eagain.go

Documentation: crypto/rand

     1  // Copyright 2014 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 darwin dragonfly freebsd linux nacl netbsd openbsd solaris
     6  
     7  package rand
     8  
     9  import (
    10  	"os"
    11  	"syscall"
    12  )
    13  
    14  func init() {
    15  	isEAGAIN = unixIsEAGAIN
    16  }
    17  
    18  // unixIsEAGAIN reports whether err is a syscall.EAGAIN wrapped in a PathError.
    19  // See golang.org/issue/9205
    20  func unixIsEAGAIN(err error) bool {
    21  	if pe, ok := err.(*os.PathError); ok {
    22  		if errno, ok := pe.Err.(syscall.Errno); ok && errno == syscall.EAGAIN {
    23  			return true
    24  		}
    25  	}
    26  	return false
    27  }
    28  

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