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      1 // Copyright (c) 2012 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 <sys/sysctl.h>
      8 #include <sys/time.h>
      9 #include <unistd.h>
     10 
     11 #include "base/basictypes.h"
     12 #include "base/memory/scoped_ptr.h"
     13 #include "base/time/time.h"
     14 
     15 namespace base {
     16 
     17 //static
     18 const Time CurrentProcessInfo::CreationTime() {
     19   int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() };
     20   size_t len = 0;
     21   if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) < 0)
     22     return Time();
     23 
     24   scoped_ptr_malloc<struct kinfo_proc>
     25       proc(static_cast<struct kinfo_proc*>(malloc(len)));
     26   if (sysctl(mib, arraysize(mib), proc.get(), &len, NULL, 0) < 0)
     27     return Time();
     28   return Time::FromTimeVal(proc->kp_proc.p_un.__p_starttime);
     29 }
     30 
     31 }  // namespace base
     32