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// Copyright 2009 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.
// Process etc.
package os
import (
"internal/testlog"
"runtime"
"syscall"
)
// Args hold the command-line arguments, starting with the program name.
var Args []string
func init() {
if runtime.GOOS == "windows" {
// Initialized in exec_windows.go.
return
}
Args = runtime_args()
}
func runtime_args() []string // in package runtime
// Getuid returns the numeric user id of the caller.
//
// On Windows, it returns -1.
func Getuid() int { return syscall.Getuid() }
// Geteuid returns the numeric effective user id of the caller.
//
// On Windows, it returns -1.
func Geteuid() int { return syscall.Geteuid() }
// Getgid returns the numeric group id of the caller.
//
// On Windows, it returns -1.
func Getgid() int { return syscall.Getgid() }
// Getegid returns the numeric effective group id of the caller.
//
// On Windows, it returns -1.
func Getegid() int { return syscall.Getegid() }
// Getgroups returns a list of the numeric ids of groups that the caller belongs to.
//
// On Windows, it returns syscall.EWINDOWS. See the os/user package
// for a possible alternative.
func Getgroups() ([]int, error) {
gids, e := syscall.Getgroups()
return gids, NewSyscallError("getgroups", e)
}
// Exit causes the current program to exit with the given status code.
// Conventionally, code zero indicates success, non-zero an error.
// The program terminates immediately; deferred functions are not run.
//
// For portability, the status code should be in the range [0, 125].
func Exit(code int) {
if code == 0 && testlog.PanicOnExit0() {
// We were told to panic on calls to os.Exit(0).
// This is used to fail tests that make an early
// unexpected call to os.Exit(0).
panic("unexpected call to os.Exit(0) during test")
}
// Inform the runtime that os.Exit is being called. If -race is
// enabled, this will give race detector a chance to fail the
// program (racy programs do not have the right to finish
// successfully). If coverage is enabled, then this call will
// enable us to write out a coverage data file.
runtime_beforeExit(code)
syscall.Exit(code)
}
func runtime_beforeExit(exitCode int) // implemented in runtime
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