Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 111 insertions, 0 deletions

diff --git a/chrome/browser/firefox_profile_lock.cc b/chrome/browser/firefox_profile_lock.cc
new file mode 100644
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+++ b/chrome/browser/firefox_profile_lock.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/browser/firefox_profile_lock.h"
+
+#include "base/file_util.h"
+
+// This class is based on Firefox code in:
+//   profile/dirserviceprovider/src/nsProfileLock.cpp
+// The license block is:
+
+/* ***** BEGIN LICENSE BLOCK *****
+* Version: MPL 1.1/GPL 2.0/LGPL 2.1
+*
+* The contents of this file are subject to the Mozilla Public License Version
+* 1.1 (the "License"); you may not use this file except in compliance with
+* the License. You may obtain a copy of the License at
+* http://www.mozilla.org/MPL/
+*
+* Software distributed under the License is distributed on an "AS IS" basis,
+* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+* for the specific language governing rights and limitations under the
+* License.
+*
+* The Original Code is mozilla.org code.
+*
+* The Initial Developer of the Original Code is
+* Netscape Communications Corporation.
+* Portions created by the Initial Developer are Copyright (C) 2002
+* the Initial Developer. All Rights Reserved.
+*
+* Contributor(s):
+*   Conrad Carlen <ccarlen@netscape.com>
+*   Brendan Eich <brendan@mozilla.org>
+*   Colin Blake <colin@theblakes.com>
+*   Javier Pedemonte <pedemont@us.ibm.com>
+*   Mats Palmgren <mats.palmgren@bredband.net>
+*
+* Alternatively, the contents of this file may be used under the terms of
+* either the GNU General Public License Version 2 or later (the "GPL"), or
+* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+* in which case the provisions of the GPL or the LGPL are applicable instead
+* of those above. If you wish to allow use of your version of this file only
+* under the terms of either the GPL or the LGPL, and not to allow others to
+* use your version of this file under the terms of the MPL, indicate your
+* decision by deleting the provisions above and replace them with the notice
+* and other provisions required by the GPL or the LGPL. If you do not delete
+* the provisions above, a recipient may use your version of this file under
+* the terms of any one of the MPL, the GPL or the LGPL.
+*
+* ***** END LICENSE BLOCK ***** */
+
+// static
+wchar_t FirefoxProfileLock::kLockFileName[] = L"parent.lock";
+
+FirefoxProfileLock::FirefoxProfileLock(const std::wstring& path)
+    : lock_handle_(INVALID_HANDLE_VALUE) {
+  lock_file_ = path;
+  file_util::AppendToPath(&lock_file_, kLockFileName);
+  Lock();
+}
+
+FirefoxProfileLock::~FirefoxProfileLock() {
+  Unlock();
+}
+
+void FirefoxProfileLock::Lock() {
+  if (HasAcquired())
+    return;
+  lock_handle_ = CreateFile(lock_file_.c_str(), GENERIC_READ | GENERIC_WRITE,
+                            0, NULL, OPEN_ALWAYS, FILE_FLAG_DELETE_ON_CLOSE,
+                            NULL);
+}
+
+void FirefoxProfileLock::Unlock() {
+  if (!HasAcquired())
+    return;
+  CloseHandle(lock_handle_);
+  lock_handle_ = INVALID_HANDLE_VALUE;
+}
+
+bool FirefoxProfileLock::HasAcquired() {
+  return (lock_handle_ != INVALID_HANDLE_VALUE);
+}
+