go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/gce/cmd/agent/strategy_windows.go (about)

     1  // Copyright 2018 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"os/exec"
    19  	"syscall"
    20  )
    21  
    22  // setFlags sets flags which ensure the process starts detached in its own process group.
    23  func setFlags(c *exec.Cmd) {
    24  	c.SysProcAttr = &syscall.SysProcAttr{
    25  		// https://msdn.microsoft.com/en-us/library/windows/desktop/ms684863.aspx
    26  		// CREATE_NEW_PROCESS_GROUP: 0x200
    27  		// DETACHED_PROCESS:         0x008
    28  		CreationFlags: 0x200 | 0x8,
    29  	}
    30  }
    31  
    32  // newStrategy returns a new Windows-specific PlatformStrategy.
    33  func newStrategy() PlatformStrategy {
    34  	return &WindowsStrategy{}
    35  }