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
15namespace base {
16
17//static
18const 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<struct kinfo_proc, base::FreeDeleter>
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