github.com/insolar/x-crypto@v0.0.0-20191031140942-75fab8a325f6/rand/eagain.go (about) 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 }