mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-26 23:01:05 +08:00
6278690abe
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$') Bug: chromium:1098010 Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
// 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 = 16;
|
|
#else
|
|
#error Port to your platform
|
|
#endif
|
|
|
|
void SetCurrentThreadName(const std::string& thread_name) {
|
|
#if BUILDFLAG(IS_APPLE)
|
|
// Apple's pthread_setname_np() sets errno instead of returning it.
|
|
PCHECK(pthread_setname_np(thread_name.c_str()) == 0) << "pthread_setname_np";
|
|
#elif BUILDFLAG(IS_ANDROID) && __ANDROID_API__ < 24
|
|
// pthread_setname_np() requires Android API 24 or later.
|
|
CHECK_LT(thread_name.length(), kPthreadNameMaxLen);
|
|
PCHECK(prctl(PR_SET_NAME, thread_name.c_str()) == 0) << "prctl(PR_SET_NAME)";
|
|
#else
|
|
PCHECK((errno = pthread_setname_np(pthread_self(), thread_name.c_str())) == 0)
|
|
<< "pthread_setname_np";
|
|
#endif
|
|
}
|
|
|
|
std::string GetCurrentThreadName() {
|
|
std::string result(kPthreadNameMaxLen, '\0');
|
|
#if BUILDFLAG(IS_ANDROID) && __ANDROID_API__ < 24
|
|
static constexpr char kGetThreadNameFunctionName[] = "prctl";
|
|
PCHECK(prctl(PR_GET_NAME, result.data()) == 0) << "prctl(PR_GET_NAME)";
|
|
#else
|
|
static constexpr char kGetThreadNameFunctionName[] = "pthread_getname_np";
|
|
PCHECK((errno = pthread_getname_np(
|
|
pthread_self(), result.data(), result.length())) == 0)
|
|
<< "pthread_getname_np";
|
|
#endif
|
|
const auto result_nul_idx = result.find('\0');
|
|
CHECK(result_nul_idx != std::string::npos)
|
|
<< kGetThreadNameFunctionName << " did not NUL terminate";
|
|
result.resize(result_nul_idx);
|
|
return result;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
ScopedSetThreadName::ScopedSetThreadName(const std::string& new_thread_name)
|
|
: original_name_(GetCurrentThreadName()) {
|
|
SetCurrentThreadName(new_thread_name);
|
|
}
|
|
|
|
ScopedSetThreadName::~ScopedSetThreadName() {
|
|
SetCurrentThreadName(original_name_);
|
|
}
|
|
|
|
} // namespace test
|
|
} // namespace crashpad
|