chromium/third_party/crashpad/crashpad/util/linux/exception_handler_client.cc

// Copyright 2017 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/linux/exception_handler_client.h"

#include <errno.h>
#include <signal.h>
#include <sys/prctl.h>
#include <sys/wait.h>
#include <unistd.h>

#include "base/check_op.h"
#include "base/logging.h"
#include "base/posix/eintr_wrapper.h"
#include "build/build_config.h"
#include "third_party/lss/lss.h"
#include "util/file/file_io.h"
#include "util/linux/ptrace_broker.h"
#include "util/linux/socket.h"
#include "util/misc/from_pointer_cast.h"
#include "util/posix/signals.h"

#if BUILDFLAG(IS_ANDROID)
#include <android/api-level.h>
#endif

namespace crashpad {

namespace {

class ScopedSigprocmaskRestore { … };

}  // namespace

ExceptionHandlerClient::ExceptionHandlerClient(int sock, bool multiple_clients)
    : … { … }

ExceptionHandlerClient::~ExceptionHandlerClient() = default;

bool ExceptionHandlerClient::GetHandlerCredentials(ucred* creds) { … }

int ExceptionHandlerClient::RequestCrashDump(
    const ExceptionHandlerProtocol::ClientInformation& info) { … }

int ExceptionHandlerClient::SetPtracer(pid_t pid) { … }

void ExceptionHandlerClient::SetCanSetPtracer(bool can_set_ptracer) { … }

int ExceptionHandlerClient::SignalCrashDump(
    const ExceptionHandlerProtocol::ClientInformation& info,
    VMAddress stack_pointer) { … }

int ExceptionHandlerClient::SendCrashDumpRequest(
    const ExceptionHandlerProtocol::ClientInformation& info,
    VMAddress stack_pointer) { … }

int ExceptionHandlerClient::WaitForCrashDumpComplete() { … }

}  // namespace crashpad