gcc/libgo/go/crypto/rand/eagain.go

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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build aix darwin dragonfly freebsd hurd linux nacl netbsd openbsd solaris
package rand
import (
"os"
"syscall"
)
func init() {
isEAGAIN = unixIsEAGAIN
}
// unixIsEAGAIN reports whether err is a syscall.EAGAIN wrapped in a PathError.
// See golang.org/issue/9205
func unixIsEAGAIN(err error) bool {
if pe, ok := err.(*os.PathError); ok {
if errno, ok := pe.Err.(syscall.Errno); ok && errno == syscall.EAGAIN {
return true
}
}
return false
}