chromium/third_party/crashpad/crashpad/test/scoped_set_thread_name_posix.cc

// Copyright 2022 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 "test/scoped_set_thread_name.h"

#include <errno.h>
#include <pthread.h>

#include <ostream>
#include <string>

#include "base/check.h"
#include "base/check_op.h"
#include "build/build_config.h"

#if BUILDFLAG(IS_APPLE)
#include <mach/thread_info.h>
#elif BUILDFLAG(IS_ANDROID)
#include <sys/prctl.h>
#endif

namespace crashpad {
namespace test {

namespace {

#if BUILDFLAG(IS_APPLE)
constexpr size_t kPthreadNameMaxLen = MAXTHREADNAMESIZE;
#elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS)
// The kernel headers define this in linux/sched.h as TASK_COMM_LEN, but the
// userspace copy of that header does not define it.
constexpr size_t kPthreadNameMaxLen = …;
#else
#error Port to your platform
#endif

void SetCurrentThreadName(const std::string& thread_name) { … }

std::string GetCurrentThreadName() { … }

}  // namespace

ScopedSetThreadName::ScopedSetThreadName(const std::string& new_thread_name)
    : … { … }

ScopedSetThreadName::~ScopedSetThreadName() { … }

}  // namespace test
}  // namespace crashpad