117 lines
4.9 KiB
C++
117 lines
4.9 KiB
C++
// Copyright 2016 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_WIN_INITIAL_CLIENT_DATA_H_
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#define CRASHPAD_UTIL_WIN_INITIAL_CLIENT_DATA_H_
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#include <windows.h>
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#include <string>
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#include "util/win/address_types.h"
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namespace crashpad {
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//! \brief A container for the data associated with the `--initial-client-data`
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//! method for initializing the handler process on Windows.
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class InitialClientData {
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public:
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//! \brief Constructs an unintialized instance to be used with
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//! InitializeFromString().
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InitialClientData();
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//! \brief Constructs an instance of InitialClientData. This object does not
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//! take ownership of any of the referenced HANDLEs.
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//!
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//! \param[in] request_crash_dump An event signalled from the client on crash.
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//! \param[in] request_non_crash_dump An event signalled from the client when
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//! it would like a dump to be taken, but allowed to continue afterwards.
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//! \param[in] non_crash_dump_completed An event signalled from the handler to
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//! tell the client that the non-crash dump has completed, and it can
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//! continue execution.
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//! \param[in] first_pipe_instance The server end and first instance of a pipe
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//! that will be used for communication with all other clients after this
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//! initial one.
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//! \param[in] client_process A process handle for the client being
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//! registered.
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//! \param[in] crash_exception_information The address, in the client's
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//! address space, of an ExceptionInformation structure, used when
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//! handling a crash dump request.
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//! \param[in] non_crash_exception_information The address, in the client's
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//! address space, of an ExceptionInformation structure, used when
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//! handling a non-crashing dump request.
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//! \param[in] debug_critical_section_address The address, in the client
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//! process's address space, of a `CRITICAL_SECTION` allocated with a
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//! valid .DebugInfo field. This can be accomplished by using
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//! InitializeCriticalSectionWithDebugInfoIfPossible() or equivalent. This
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//! value can be `0`, however then limited lock data will be available in
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//! minidumps.
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InitialClientData(HANDLE request_crash_dump,
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HANDLE request_non_crash_dump,
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HANDLE non_crash_dump_completed,
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HANDLE first_pipe_instance,
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HANDLE client_process,
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WinVMAddress crash_exception_information,
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WinVMAddress non_crash_exception_information,
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WinVMAddress debug_critical_section_address);
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InitialClientData(const InitialClientData&) = delete;
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InitialClientData& operator=(const InitialClientData&) = delete;
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//! \brief Returns whether the object has been initialized successfully.
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bool IsValid() const { return is_valid_; }
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//! Initializes this object from a string representation presumed to have been
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//! created by StringRepresentation().
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//!
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//! \param[in] str The output of StringRepresentation().
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//!
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//! \return `true` on success, or `false` with a message logged on failure.
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bool InitializeFromString(const std::string& str);
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//! \brief Returns a string representation of the data of this object,
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//! suitable for passing on the command line.
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std::string StringRepresentation() const;
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HANDLE request_crash_dump() const { return request_crash_dump_; }
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HANDLE request_non_crash_dump() const { return request_non_crash_dump_; }
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HANDLE non_crash_dump_completed() const { return non_crash_dump_completed_; }
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HANDLE first_pipe_instance() const { return first_pipe_instance_; }
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HANDLE client_process() const { return client_process_; }
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WinVMAddress crash_exception_information() const {
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return crash_exception_information_;
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}
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WinVMAddress non_crash_exception_information() const {
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return non_crash_exception_information_;
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}
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WinVMAddress debug_critical_section_address() const {
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return debug_critical_section_address_;
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}
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private:
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WinVMAddress crash_exception_information_;
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WinVMAddress non_crash_exception_information_;
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WinVMAddress debug_critical_section_address_;
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HANDLE request_crash_dump_;
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HANDLE request_non_crash_dump_;
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HANDLE non_crash_dump_completed_;
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HANDLE first_pipe_instance_;
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HANDLE client_process_;
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bool is_valid_;
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_WIN_INITIAL_CLIENT_DATA_H_
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