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 int start_ticks = internal::ReadProcStatsAndGetFieldAsInt( 19 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 28
