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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/process/process_info.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/process/internal_linux.h" | |
| 10 #include "base/process/process_handle.h" | |
| 11 #include "base/time/time.h" | |
| 12 | |
| 13 namespace base { | |
| 14 | |
| 15 //static | |
| 16 const Time CurrentProcessInfo::CreationTime() { | |
| 17 ProcessHandle pid = GetCurrentProcessHandle(); | |
| 18 int64 start_ticks = | |
| 19 internal::ReadProcStatsAndGetFieldAsInt64(pid, internal::VM_STARTTIME); | |
| 20 DCHECK(start_ticks); | |
| 21 TimeDelta start_offset = internal::ClockTicksToTimeDelta(start_ticks); | |
| 22 Time boot_time = internal::GetBootTime(); | |
| 23 DCHECK(!boot_time.is_null()); | |
| 24 return Time(boot_time + start_offset); | |
| 25 } | |
| 26 | |
| 27 } // namespace base | |
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