← Back to branch summary

~alinuxninja/nginx-edge/trunk

« back to all changes in this revision

Viewing changes to debian/modules/ngx_pagespeed/psol/include/third_party/chromium/src/base/memory/scoped_open_process.h

  • Committer: Vivian
  • Date: 2015-12-04 18:20:11 UTC
  • Revision ID: git-v1:a36f2bc32e884f7473b3a47040e5411306144d7d
* Do not extract psol.tar.gz

Show diffs side-by-side

added added

removed removed

Lines of Context:
debian/modules/ngx_pagespeed/psol/include/third_party/chromium/src/base/memory/scoped_open_process.h
1
 
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2
 
// Use of this source code is governed by a BSD-style license that can be
3
 
// found in the LICENSE file.
4
 
 
5
 
#ifndef BASE_MEMORY_SCOPED_OPEN_PROCESS_H_
6
 
#define BASE_MEMORY_SCOPED_OPEN_PROCESS_H_
7
 
 
8
 
#include "base/process/process_handle.h"
9
 
 
10
 
namespace base {
11
 
 
12
 
// A class that opens a process from its process id and closes it when the
13
 
// instance goes out of scope.
14
 
class ScopedOpenProcess {
15
 
 public:
16
 
  ScopedOpenProcess() : handle_(kNullProcessHandle) {
17
 
  }
18
 
 
19
 
  // Automatically close the process.
20
 
  ~ScopedOpenProcess() {
21
 
    Close();
22
 
  }
23
 
 
24
 
  // Open a new process by pid. Closes any previously opened process (even if
25
 
  // opening the new one fails).
26
 
  bool Open(ProcessId pid) {
27
 
    Close();
28
 
    return OpenProcessHandle(pid, &handle_);
29
 
  }
30
 
 
31
 
  // Close the previously opened process.
32
 
  void Close() {
33
 
    if (handle_ == kNullProcessHandle)
34
 
      return;
35
 
 
36
 
    CloseProcessHandle(handle_);
37
 
    handle_ = kNullProcessHandle;
38
 
  }
39
 
 
40
 
  ProcessHandle handle() const { return handle_; }
41
 
 
42
 
 private:
43
 
  ProcessHandle handle_;
44
 
  DISALLOW_COPY_AND_ASSIGN(ScopedOpenProcess);
45
 
};
46
 
}  // namespace base
47
 
 
48
 
#endif  // BASE_MEMORY_SCOPED_OPEN_PROCESS_H_