shaka-packager/base/process/process_posix.cc

74 lines
1.6 KiB
C++

// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/process/process.h"
#include <sys/resource.h>
#include <sys/time.h>
#include <sys/types.h>
#include "base/logging.h"
#include "base/process/kill.h"
namespace base {
// static
Process Process::Current() {
return Process(GetCurrentProcessHandle());
}
ProcessId Process::pid() const {
if (process_ == 0)
return 0;
return GetProcId(process_);
}
bool Process::is_current() const {
return process_ == GetCurrentProcessHandle();
}
void Process::Close() {
process_ = 0;
// if the process wasn't terminated (so we waited) or the state
// wasn't already collected w/ a wait from process_utils, we're gonna
// end up w/ a zombie when it does finally exit.
}
void Process::Terminate(int result_code) {
// result_code isn't supportable.
if (!process_)
return;
// We don't wait here. It's the responsibility of other code to reap the
// child.
KillProcess(process_, result_code, false);
}
#if !defined(OS_LINUX)
bool Process::IsProcessBackgrounded() const {
// See SetProcessBackgrounded().
return false;
}
bool Process::SetProcessBackgrounded(bool value) {
// POSIX only allows lowering the priority of a process, so if we
// were to lower it we wouldn't be able to raise it back to its initial
// priority.
return false;
}
// static
bool Process::CanBackgroundProcesses() {
return false;
}
#endif
int Process::GetPriority() const {
DCHECK(process_);
return getpriority(PRIO_PROCESS, process_);
}
} // namspace base