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81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
// Copyright 2014 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_MACH_CHILD_PORT_SERVER_H_
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#define CRASHPAD_UTIL_MACH_CHILD_PORT_SERVER_H_
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#include <mach/mach.h>
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#include <set>
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#include "base/basictypes.h"
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#include "util/mach/child_port_types.h"
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#include "util/mach/mach_message_server.h"
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namespace crashpad {
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//! \brief A server interface for the `child_port` Mach subsystem.
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class ChildPortServer : public MachMessageServer::Interface {
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public:
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//! \brief An interface that the request message that is a part of the
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//! `child_port` Mach subsystem can be dispatched to.
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class Interface {
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public:
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//! \brief Handles check-ins sent by `child_port_check_in()`.
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//!
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//! This behaves equivalently to a `handle_child_port_check_in()` function
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//! used with `child_port_server()`.
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//!
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//! \param[in] trailer The trailer received with the request message.
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//! \param[out] destroy_request `true` if the request message is to be
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//! destroyed even when this method returns success. See
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//! MachMessageServer::Interface.
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virtual kern_return_t HandleChildPortCheckIn(
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child_port_server_t server,
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const child_port_token_t token,
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mach_port_t port,
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mach_msg_type_name_t right_type,
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const mach_msg_trailer_t* trailer,
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bool* destroy_request) = 0;
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protected:
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~Interface() {}
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};
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//! \brief Constructs an object of this class.
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//!
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//! \param[in] interface The interface to dispatch requests to. Weak.
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explicit ChildPortServer(Interface* interface);
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// MachMessageServer::Interface:
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bool MachMessageServerFunction(const mach_msg_header_t* in_header,
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mach_msg_header_t* out_header,
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bool* destroy_complex_request) override;
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std::set<mach_msg_id_t> MachMessageServerRequestIDs() override;
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mach_msg_size_t MachMessageServerRequestSize() override;
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mach_msg_size_t MachMessageServerReplySize() override;
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private:
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Interface* interface_; // weak
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DISALLOW_COPY_AND_ASSIGN(ChildPortServer);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MACH_CHILD_PORT_SERVER_H_
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