1 // Copyright (c) 2011 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.h" 6 7 #include <sys/resource.h> 8 #include <sys/time.h> 9 #include <sys/types.h> 10 11 #include "base/logging.h" 12 #include "base/process/kill.h" 13 14 namespace base { 15 16 // static 17 Process Process::Current() { 18 return Process(GetCurrentProcessHandle()); 19 } 20 21 ProcessId Process::pid() const { 22 if (process_ == 0) 23 return 0; 24 25 return GetProcId(process_); 26 } 27 28 bool Process::is_current() const { 29 return process_ == GetCurrentProcessHandle(); 30 } 31 32 void Process::Close() { 33 process_ = 0; 34 // if the process wasn't terminated (so we waited) or the state 35 // wasn't already collected w/ a wait from process_utils, we're gonna 36 // end up w/ a zombie when it does finally exit. 37 } 38 39 void Process::Terminate(int result_code) { 40 // result_code isn't supportable. 41 if (!process_) 42 return; 43 // We don't wait here. It's the responsibility of other code to reap the 44 // child. 45 KillProcess(process_, result_code, false); 46 } 47 48 #if !defined(OS_LINUX) 49 bool Process::IsProcessBackgrounded() const { 50 // See SetProcessBackgrounded(). 51 return false; 52 } 53 54 bool Process::SetProcessBackgrounded(bool value) { 55 // POSIX only allows lowering the priority of a process, so if we 56 // were to lower it we wouldn't be able to raise it back to its initial 57 // priority. 58 return false; 59 } 60 61 // static 62 bool Process::CanBackgroundProcesses() { 63 return false; 64 } 65 66 #endif 67 68 int Process::GetPriority() const { 69 DCHECK(process_); 70 return getpriority(PRIO_PROCESS, process_); 71 } 72 73 } // namspace base 74
