src

Go monorepo.
git clone git://code.dwrz.net/src
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download_windows.go (1050B)

      1 // Copyright 2024 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 windows
      6 
      7 package configstore
      8 
      9 import (
     10 	"os/exec"
     11 	"syscall"
     12 
     13 	"golang.org/x/sys/windows"
     14 )
     15 
     16 func init() {
     17 	needNoConsole = needNoConsoleWindows
     18 }
     19 
     20 func needNoConsoleWindows(cmd *exec.Cmd) {
     21 	// The uploader main process is likely a daemonized process with no console.
     22 	// (see x/telemetry/start_windows.go) The console creation behavior when
     23 	// a parent is a console process without console is not clearly documented
     24 	// but empirically we observed the new console is created and attached to the
     25 	// subprocess in the default setup.
     26 	//
     27 	// Ensure no new console is attached to the subprocess by setting CREATE_NO_WINDOW.
     28 	//   https://learn.microsoft.com/en-us/windows/console/creation-of-a-console
     29 	//   https://learn.microsoft.com/en-us/windows/win32/procthread/process-creation-flags
     30 	cmd.SysProcAttr = &syscall.SysProcAttr{
     31 		CreationFlags: windows.CREATE_NO_WINDOW,
     32 	}
     33 }