Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 113 insertions, 0 deletions

diff --git a/base/tracked.cc b/base/tracked.cc
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+++ b/base/tracked.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 "base/tracked.h"
+
+#include "base/string_util.h"
+#include "base/tracked_objects.h"
+
+namespace tracked_objects {
+
+//------------------------------------------------------------------------------
+void Location::Write(bool display_filename, bool display_function_name,
+                     std::string* output) const {
+  StringAppendF(output, "%s[%d] ",
+      display_filename ? file_name_ : "line",
+      line_number_);
+
+  if (display_function_name) {
+    WriteFunctionName(output);
+    output->push_back(' ');
+  }
+}
+
+void Location::WriteFunctionName(std::string* output) const {
+  // Translate "<" to "&lt;" for HTML safety.
+  // TODO(jar): Support ASCII or html for logging in ASCII.
+  for (const char *p = function_name_; *p; p++) {
+    switch (*p) {
+      case '<':
+        output->append("&lt;");
+        break;
+
+      case '>':
+        output->append("&gt;");
+        break;
+
+      default:
+        output->push_back(*p);
+        break;
+    }
+  }
+}
+
+//------------------------------------------------------------------------------
+
+#ifndef TRACK_ALL_TASK_OBJECTS
+
+Tracked::Tracked() {}
+Tracked::~Tracked() {}
+void Tracked::SetBirthPlace(const Location& from_here) {}
+bool Tracked::MissingBirthplace() const { return false; }
+
+#else
+
+Tracked::Tracked() : tracked_births_(NULL), tracked_birth_time_(Time::Now()) {
+  if (!ThreadData::IsActive())
+    return;
+  SetBirthPlace(Location("NoFunctionName", "NeedToSetBirthPlace", -1));
+}
+
+Tracked::~Tracked() {
+  if (!ThreadData::IsActive() || !tracked_births_)
+    return;
+  ThreadData::current()->TallyADeath(*tracked_births_,
+                                     Time::Now() - tracked_birth_time_);
+}
+
+void Tracked::SetBirthPlace(const Location& from_here) {
+  if (!ThreadData::IsActive())
+    return;
+  if (tracked_births_)
+    tracked_births_->ForgetBirth();
+  ThreadData* current_thread_data = ThreadData::current();
+  if (!current_thread_data)
+    return;  // Shutdown started, and this thread wasn't registered.
+  tracked_births_ = current_thread_data->FindLifetime(from_here);
+  tracked_births_->RecordBirth();
+}
+
+bool Tracked::MissingBirthplace() const {
+  return -1 == tracked_births_->location().line_number();
+}
+
+#endif  // NDEBUG
+
+}  // namespace tracked_objects
+