crashpad/test/scoped_set_thread_name_fuchsia.cc
Ben Hamilton ed8cfeb2cd [snapshot] Add support for thread names
This CL adds a new method ThreadSnapshot::ThreadName(), implements
it in each snapshot implementation, and adds tests for iOS, macOS,
Linux, Windows, and Fuchsia.

Bug: crashpad:327
Change-Id: I35031975223854c19d977e057dd026a40d33fd41
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3671776
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Ben Hamilton <benhamilton@google.com>
Reviewed-by: Ben Hamilton <benhamilton@google.com>
2022-06-13 20:58:37 +00:00

62 lines
2.1 KiB
C++

// Copyright 2022 The Crashpad Authors. All rights reserved.
//
// 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 <string>
#include <lib/zx/thread.h>
#include <zircon/syscalls/object.h>
#include <zircon/types.h>
#include "base/check_op.h"
#include "base/fuchsia/fuchsia_logging.h"
namespace crashpad {
namespace test {
namespace {
std::string GetCurrentThreadName() {
std::string result(ZX_MAX_NAME_LEN, '\0');
const zx_status_t status = zx::thread::self()->get_property(
ZX_PROP_NAME, result.data(), result.length());
ZX_CHECK(status == ZX_OK, status) << "get_property(ZX_PROP_NAME)";
const auto result_nul_idx = result.find('\0');
CHECK_NE(result_nul_idx, std::string::npos)
<< "get_property() did not NUL terminate";
result.resize(result_nul_idx);
return result;
}
} // namespace
ScopedSetThreadName::ScopedSetThreadName(const std::string& new_thread_name)
: original_name_(GetCurrentThreadName()) {
// Fuchsia silently truncates the thread name if it's too long.
CHECK_LT(new_thread_name.length(), ZX_MAX_NAME_LEN);
const zx_status_t status = zx::thread::self()->set_property(
ZX_PROP_NAME, new_thread_name.c_str(), new_thread_name.length());
ZX_CHECK(status == ZX_OK, status) << "set_property(ZX_PROP_NAME)";
}
ScopedSetThreadName::~ScopedSetThreadName() {
const zx_status_t status = zx::thread::self()->set_property(
ZX_PROP_NAME, original_name_.c_str(), original_name_.length());
ZX_CHECK(status == ZX_OK, status) << "set_property(ZX_PROP_NAME)";
}
} // namespace test
} // namespace crashpad