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1aa478d161
This change was partially scripted and partially done manually with vim regex + manually placing the deleted constructors. The script change looked for destructors in the public: section of a class, if that existed the deleted constructors would go before the destructor. For manual placement I looked for any constructor in the public: section of the corresponding class. If there wasn't one, then it would ideally have gone as the first entry except below enums, classes and typedefs. This may not have been perfect, but is hopefully good enough. Fingers crossed. #include "base/macros.h" is removed from files that don't use ignore_result, which is the only other thing defined in base/macros.h. Bug: chromium:1010217 Change-Id: I099526255a40b1ac1264904b4ece2f3f503c9418 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3171034 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Peter Boström <pbos@chromium.org>
106 lines
4.3 KiB
C++
106 lines
4.3 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_COMPOSITE_MACH_MESSAGE_SERVER_H_
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#define CRASHPAD_UTIL_MACH_COMPOSITE_MACH_MESSAGE_SERVER_H_
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#include <mach/mach.h>
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#include <map>
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#include <set>
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#include "util/mach/mach_message_server.h"
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namespace crashpad {
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//! \brief Adapts multiple MachMessageServer::Interface implementations for
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//! simultaneous use in a single MachMessageServer::Run() call.
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//!
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//! This class implements a MachMessageServer::Interface that contains other
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//! MachMessageServer::Interface objects.
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//!
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//! In some situations, it may be desirable for a Mach message server to handle
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//! messages from distinct MIG subsystems with distinct
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//! MachMessageServer::Interface implementations. This may happen if a single
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//! receive right is shared for multiple subsystems, or if distinct receive
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//! rights are combined in a Mach port set. In these cases, this class performs
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//! a first-level demultiplexing to forward request messages to the proper
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//! subsystem-level demultiplexers.
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class CompositeMachMessageServer : public MachMessageServer::Interface {
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public:
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CompositeMachMessageServer();
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CompositeMachMessageServer(const CompositeMachMessageServer&) = delete;
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CompositeMachMessageServer& operator=(const CompositeMachMessageServer&) =
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delete;
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~CompositeMachMessageServer();
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//! \brief Adds a handler that messages can be dispatched to based on request
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//! message ID.
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//!
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//! \param[in] handler A MachMessageServer handler. Ownership of this object
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//! is not taken. Cycles must not be created between objects. It is
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//! invalid to add an object as its own handler.
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//!
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//! If \a handler claims to support any request ID that this object is already
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//! able to handle, execution will be terminated.
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void AddHandler(MachMessageServer::Interface* handler);
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// MachMessageServer::Interface:
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//! \copydoc MachMessageServer::Interface::MachMessageServerFunction()
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//!
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//! This implementation forwards the message to an appropriate handler added
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//! by AddHandler() on the basis of the \a in request message’s message ID. If
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//! no appropriate handler exists, the \a out reply message is treated as a
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//! `mig_reply_error_t`, its return code is set to `MIG_BAD_ID`, and `false`
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//! is returned.
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bool MachMessageServerFunction(const mach_msg_header_t* in,
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mach_msg_header_t* out,
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bool* destroy_complex_request) override;
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//! \copydoc MachMessageServer::Interface::MachMessageServerRequestIDs()
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//!
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//! This implementation returns the set of all request message Mach message
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//! IDs of all handlers added by AddHandler().
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std::set<mach_msg_id_t> MachMessageServerRequestIDs() override;
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//! \copydoc MachMessageServer::Interface::MachMessageServerRequestSize()
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//!
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//! This implementation returns the maximum request message size of all
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//! handlers added by AddHandler(). If no handlers are present, returns the
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//! size of `mach_msg_header_t`, the minimum size of a MIG request message
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//! that can be received for demultiplexing purposes.
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mach_msg_size_t MachMessageServerRequestSize() override;
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//! \copydoc MachMessageServer::Interface::MachMessageServerReplySize()
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//!
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//! This implementation returns the maximum reply message size of all handlers
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//! added by AddHandler(). If no handlers are present, returns the size of
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//! `mig_reply_error_t`, the minimum size of a MIG reply message.
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mach_msg_size_t MachMessageServerReplySize() override;
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private:
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using HandlerMap = std::map<mach_msg_id_t, MachMessageServer::Interface*>;
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HandlerMap handler_map_; // weak
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mach_msg_size_t request_size_;
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mach_msg_size_t reply_size_;
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MACH_COMPOSITE_MACH_MESSAGE_SERVER_H_
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