crashpad/util/thread/thread_log_messages.cc
Peter Kasting 322eaa5850 Use thread_local instead of ThreadLocalStorage::Slot.
This also significantly simplifies the implementation, since we don't
really need the ThreadLogMessagesMaster class at all.

Bug: chromium:1416710
Change-Id: I85849230015f901dfbf084d140e639f14cb872a7
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4313281
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
2023-03-07 02:40:30 +00:00

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// Copyright 2015 The Crashpad Authors
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "util/thread/thread_log_messages.h"
#include <sys/types.h>
#include "base/check_op.h"
#include "base/logging.h"
namespace crashpad {
namespace {
thread_local std::vector<std::string>* thread_local_log_messages;
bool LogMessageHandler(logging::LogSeverity severity,
const char* file_path,
int line,
size_t message_start,
const std::string& string) {
if (thread_local_log_messages) {
thread_local_log_messages->push_back(string);
}
// Dont consume the message. Allow it to be logged as if nothing was set as
// the log message handler.
return false;
}
} // namespace
ThreadLogMessages::ThreadLogMessages()
: log_messages_(),
reset_thread_local_log_messages_(&thread_local_log_messages,
&log_messages_) {
[[maybe_unused]] static bool initialized = [] {
DCHECK(!logging::GetLogMessageHandler());
logging::SetLogMessageHandler(LogMessageHandler);
return true;
}();
}
} // namespace crashpad