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// Copyright 2017 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/kill.h"
#include <magenta/syscalls.h>
#include "base/process/process_iterator.h"
#include "base/task_scheduler/post_task.h"
#include "base/threading/platform_thread.h"
namespace base {
bool KillProcessGroup(ProcessHandle process_group_id) {
// |process_group_id| is really a job on Fuchsia.
mx_status_t status = mx_task_kill(process_group_id);
DLOG_IF(ERROR, status != NO_ERROR)
<< "unable to terminate job " << process_group_id;
return status == NO_ERROR;
}
TerminationStatus GetTerminationStatus(ProcessHandle handle, int* exit_code) {
mx_info_process_t process_info;
mx_status_t status =
mx_object_get_info(handle, MX_INFO_PROCESS, &process_info,
sizeof(process_info), nullptr, nullptr);
if (status != NO_ERROR) {
DLOG(ERROR) << "unable to get termination status for " << handle;
*exit_code = 0;
return TERMINATION_STATUS_NORMAL_TERMINATION;
}
if (!process_info.started) {
return TERMINATION_STATUS_LAUNCH_FAILED;
}
if (!process_info.exited) {
return TERMINATION_STATUS_STILL_RUNNING;
}
// TODO(fuchsia): Is there more information about types of crashes, OOM, etc.
// available? https://crbug.com/706592.
*exit_code = process_info.return_code;
return process_info.return_code == 0
? TERMINATION_STATUS_NORMAL_TERMINATION
: TERMINATION_STATUS_ABNORMAL_TERMINATION;
}
void EnsureProcessTerminated(Process process) {
DCHECK(!process.is_current());
mx_signals_t signals;
if (mx_object_wait_one(process.Handle(), MX_TASK_TERMINATED, 0, &signals) ==
NO_ERROR) {
DCHECK(signals & MX_TASK_TERMINATED);
// If already signaled, then the process is terminated.
return;
}
PostDelayedTaskWithTraits(
FROM_HERE,
{TaskPriority::BACKGROUND, TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN},
Bind(
[](Process process) {
mx_signals_t signals;
if (mx_object_wait_one(process.Handle(), MX_TASK_TERMINATED, 0,
&signals) == NO_ERROR) {
return;
}
process.Terminate(1, false);
},
Passed(&process)),
TimeDelta::FromSeconds(2));
}
} // namespace base
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