// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Process etc.
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package os
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import (
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"runtime"
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"syscall"
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)
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// Args hold the command-line arguments, starting with the program name.
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var Args []string
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func init() {
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if runtime.GOOS == "windows" {
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// Initialized in exec_windows.go.
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return
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}
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Args = runtime_args()
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}
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func runtime_args() []string // in package runtime
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// Getuid returns the numeric user id of the caller.
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//
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// On Windows, it returns -1.
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func Getuid() int { return syscall.Getuid() }
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// Geteuid returns the numeric effective user id of the caller.
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//
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// On Windows, it returns -1.
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func Geteuid() int { return syscall.Geteuid() }
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// Getgid returns the numeric group id of the caller.
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//
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// On Windows, it returns -1.
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func Getgid() int { return syscall.Getgid() }
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// Getegid returns the numeric effective group id of the caller.
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//
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// On Windows, it returns -1.
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func Getegid() int { return syscall.Getegid() }
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// Getgroups returns a list of the numeric ids of groups that the caller belongs to.
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//
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// On Windows, it returns syscall.EWINDOWS. See the os/user package
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// for a possible alternative.
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func Getgroups() ([]int, error) {
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gids, e := syscall.Getgroups()
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return gids, NewSyscallError("getgroups", e)
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}
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// Exit causes the current program to exit with the given status code.
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// Conventionally, code zero indicates success, non-zero an error.
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// The program terminates immediately; deferred functions are not run.
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func Exit(code int) {
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if code == 0 {
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// Give race detector a chance to fail the program.
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// Racy programs do not have the right to finish successfully.
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runtime_beforeExit()
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}
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syscall.Exit(code)
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}
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func runtime_beforeExit() // implemented in runtime
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