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// Copyright 2020 The Chromium Authors
// 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 <limits>
#include "base/immediate_crash.h"
namespace base {
static constexpr ProcessHandle kCurrentProcessHandle =
std::numeric_limits<ProcessHandle>::max();
Process::Process(ProcessHandle handle) : process_(handle) {
DCHECK(handle == kNullProcessHandle || handle == kCurrentProcessHandle);
}
Process::Process(Process&& other) : process_(other.process_) {
other.Close();
}
Process::~Process() = default;
Process& Process::operator=(Process&& other) {
process_ = other.process_;
other.Close();
return *this;
}
// static
Process Process::Current() {
return Process(kCurrentProcessHandle);
}
// static
Process Process::Open(ProcessId pid) {
if (pid == GetCurrentProcId()) {
return Current();
}
return Process(pid);
}
// static
Process Process::OpenWithExtraPrivileges(ProcessId pid) {
return Open(pid);
}
// static
void Process::TerminateCurrentProcessImmediately(int exit_code) {
// This method is marked noreturn, so we crash rather than just provide an
// empty stub implementation.
ImmediateCrash();
}
bool Process::Terminate(int exit_code, bool wait) const {
return false;
}
bool Process::IsValid() const {
return process_ != kNullProcessHandle;
}
ProcessHandle Process::Handle() const {
return process_;
}
Process Process::Duplicate() const {
return Process(process_);
}
ProcessHandle Process::Release() {
ProcessHandle handle = process_;
Close();
return handle;
}
ProcessId Process::Pid() const {
return process_;
}
Time Process::CreationTime() const {
return Time();
}
bool Process::is_current() const {
return Handle() == kCurrentProcessHandle;
}
void Process::Close() {
process_ = kNullProcessHandle;
}
bool Process::WaitForExit(int* exit_code) const {
return false;
}
bool Process::WaitForExitWithTimeout(TimeDelta timeout, int* exit_code) const {
return false;
}
void Process::Exited(int exit_code) const {}
Process::Priority Process::GetPriority() const {
return Priority::kUserBlocking;
}
bool Process::SetPriority(Priority priority) {
return false;
}
int Process::GetOSPriority() const {
return -1;
}
} // namespace base
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