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71 lines
2.7 KiB
C++
71 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_HANDLER_MAC_EXCEPTION_HANDLER_SERVER_H_
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#define CRASHPAD_HANDLER_MAC_EXCEPTION_HANDLER_SERVER_H_
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#include "base/basictypes.h"
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#include <mach/mach.h>
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#include "base/mac/scoped_mach_port.h"
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#include "util/mach/exc_server_variants.h"
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namespace crashpad {
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//! \brief Runs the main exception-handling server in Crashpad’s handler
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//! process.
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class ExceptionHandlerServer {
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public:
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ExceptionHandlerServer();
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~ExceptionHandlerServer();
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//! \brief Runs the exception-handling server.
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//!
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//! \param[in] exception_interface An object to send exception messages to.
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//!
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//! This method monitors receive_port() for exception messages and no-senders
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//! notifications. It continues running until it has no more clients,
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//! indicated by the receipt of a no-senders notification. It is important to
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//! assure that a send right has been transferred to a client (or queued by
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//! `mach_msg()` to be sent to a client) prior to calling this method, or it
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//! will detect that it is sender-less and return immediately.
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//!
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//! All exception messages will be passed to \a exception_interface.
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//!
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//! This method must only be called once on an ExceptionHandlerServer object.
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//!
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//! If an unexpected condition that prevents this method from functioning is
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//! encountered, it will log a message and terminate execution. Receipt of an
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//! invalid message on receive_port() will cause a message to be logged, but
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//! this method will continue running normally.
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void Run(UniversalMachExcServer::Interface* exception_interface);
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//! \brief Returns the receive right that will be monitored for exception
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//! messages.
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//!
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//! The caller does not take ownership of this port. The caller must not use
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//! this port for any purpose other than to make send rights for clients.
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mach_port_t receive_port() const { return receive_port_; }
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private:
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base::mac::ScopedMachReceiveRight receive_port_;
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DISALLOW_COPY_AND_ASSIGN(ExceptionHandlerServer);
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};
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} // namespace crashpad
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#endif // CRASHPAD_HANDLER_MAC_EXCEPTION_HANDLER_SERVER_H_
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