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9299d409ab
Bug: crashpad:30 Change-Id: Ie8137db2a5b6f2d4947df108d1fb5bdd9f8ab391 Reviewed-on: https://chromium-review.googlesource.com/580448 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
61 lines
1.7 KiB
C++
61 lines
1.7 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_PROC_STAT_READER_H_
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#define CRASHPAD_UTIL_LINUX_PROC_STAT_READER_H_
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#include <sys/time.h>
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#include <sys/types.h>
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#include <string>
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#include "base/macros.h"
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#include "util/misc/initialization_state_dcheck.h"
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namespace crashpad {
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//! \brief Reads the /proc/[pid]/stat file for a thread.
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class ProcStatReader {
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public:
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ProcStatReader();
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~ProcStatReader();
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//! \brief Initializes the reader.
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//!
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//! This method must be successfully called before calling any other.
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//!
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//! \param[in] tid The thread ID to read the stat file for.
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bool Initialize(pid_t tid);
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//! \brief Determines the target thread’s start time.
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//!
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//! \param[out] start_time The time that the thread started.
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//!
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//! \return `true` on success, with \a start_time set. Otherwise, `false` with
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//! a message logged.
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bool StartTime(timeval* start_time) const;
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private:
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bool ReadFile(std::string* contents) const;
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pid_t tid_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ProcStatReader);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_LINUX_PROC_STAT_READER_H_
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