golang pagesize_unix 代码
文件路径：/src/cmd/vendor/golang.org/x/sys/unix/pagesize_unix.go
/ Copyright 2017 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.
/go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
/ +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
/ For Unix, get the pagesize from the runtime.
package unix
import "syscall"
func Getpagesize() int {
return syscall.Getpagesize()
}