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9b2ba587f6
Bug: crashpad:30 Change-Id: I60874a26ccb281144f870df2b4d16c6970a39f6b Reviewed-on: https://chromium-review.googlesource.com/772824 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
// Copyright 2017 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_LINUX_EXCEPTION_HANDLER_CLIENT_H_
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#define CRASHPAD_UTIL_LINUX_EXCEPTION_HANDLER_CLIENT_H_
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#include <sys/types.h>
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#include "base/macros.h"
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#include "util/linux/exception_handler_protocol.h"
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namespace crashpad {
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//! A client for an ExceptionHandlerServer
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class ExceptionHandlerClient {
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public:
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//! \brief Constructs this object.
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//!
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//! \param[in] sock A socket connected to an ExceptionHandlerServer.
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explicit ExceptionHandlerClient(int sock);
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~ExceptionHandlerClient();
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//! \brief Request a crash dump from the ExceptionHandlerServer.
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//!
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//! This method blocks until the crash dump is complete.
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//!
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//! \param[in] info Information about this client.
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//! \return 0 on success or an error code on failure.
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int RequestCrashDump(const ClientInformation& info);
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//! \brief Uses `prctl(PR_SET_PTRACER, ...)` to set the process with
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//! process ID \a pid as the ptracer for this process.
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//!
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//! \param[in] pid The process ID of the process to be set as this process'
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//! ptracer.
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//! \return 0 on success or an error code on failure.
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int SetPtracer(pid_t pid);
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//! \brief Enables or disables SetPtracer().
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//! \param[in] can_set_ptracer Whether SetPtracer should be enabled.
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void SetCanSetPtracer(bool can_set_ptracer);
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private:
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int SendCrashDumpRequest(const ClientInformation& info);
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int WaitForCrashDumpComplete();
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int server_sock_;
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pid_t ptracer_;
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bool can_set_ptracer_;
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DISALLOW_COPY_AND_ASSIGN(ExceptionHandlerClient);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_LINUX_EXCEPTION_HANDLER_CLIENT_H_
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