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 #include "chrome/browser/browser_util_win.h" 6 7 #include <windows.h> 8 9 #include <algorithm> 10 #include <string> 11 12 #include "base/base_paths.h" 13 #include "base/files/file_path.h" 14 #include "base/path_service.h" 15 16 namespace browser_util { 17 18 bool IsBrowserAlreadyRunning() { 19 static HANDLE handle = NULL; 20 base::FilePath exe_path; 21 PathService::Get(base::FILE_EXE, &exe_path); 22 std::wstring exe = exe_path.value(); 23 std::replace(exe.begin(), exe.end(), '\\', '!'); 24 std::transform(exe.begin(), exe.end(), exe.begin(), tolower); 25 exe = L"Global\\" + exe; 26 if (handle != NULL) 27 CloseHandle(handle); 28 handle = CreateEvent(NULL, TRUE, TRUE, exe.c_str()); 29 int error = GetLastError(); 30 return (error == ERROR_ALREADY_EXISTS || error == ERROR_ACCESS_DENIED); 31 } 32 33 } // namespace browser_util 34