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  //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
		 6  // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
		 7  
		 8  package rand
		 9  
		10  import (
		11  	"io/fs"
		12  	"syscall"
		13  )
		14  
		15  func init() {
		16  	isEAGAIN = unixIsEAGAIN
		17  }
		18  
		19  // unixIsEAGAIN reports whether err is a syscall.EAGAIN wrapped in a PathError.
		20  // See golang.org/issue/9205
		21  func unixIsEAGAIN(err error) bool {
		22  	if pe, ok := err.(*fs.PathError); ok {
		23  		if errno, ok := pe.Err.(syscall.Errno); ok && errno == syscall.EAGAIN {
		24  			return true
		25  		}
		26  	}
		27  	return false
		28  }
		29  

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