process_info_mac.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch#include "base/process/process_info.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/sysctl.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/time.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <unistd.h> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 13eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/time/time.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using base::Time; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns the process creation time, or NULL if an error occurred. 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Time* ProcessCreationTimeInternal() { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() }; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t len = 0; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) < 0) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr_malloc<struct kinfo_proc> 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) proc(static_cast<struct kinfo_proc*>(malloc(len))); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (sysctl(mib, arraysize(mib), proc.get(), &len, NULL, 0) < 0) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new Time(Time::FromTimeVal(proc->kp_proc.p_un.__p_starttime)); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//static 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const Time* CurrentProcessInfo::CreationTime() { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static Time* process_creation_time = ProcessCreationTimeInternal(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return process_creation_time; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 44