| // Copyright (c) 2012 The Chromium OS 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 "shill/process_killer.h" |
| |
| using base::Closure; |
| using std::map; |
| |
| namespace shill { |
| |
| namespace { |
| |
| base::LazyInstance<ProcessKiller> g_process_killer = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| ProcessKiller::ProcessKiller() {} |
| |
| ProcessKiller::~ProcessKiller() { |
| // There's no need to release any GLib child watch sources because this class |
| // is a singleton and will be destroyed when this process exits, i.e., when |
| // GLib is shut down. |
| } |
| |
| // static |
| ProcessKiller *ProcessKiller::GetInstance() { |
| return g_process_killer.Pointer(); |
| } |
| |
| void ProcessKiller::Kill(int pid, const Closure &callback) { |
| LOG(INFO) << "Killing pid " << pid; |
| if (!callback.is_null()) { |
| callbacks_[pid] = callback; |
| } |
| g_child_watch_add(pid, OnProcessDied, this); |
| // TODO(petkov): Consider sending subsequent periodic signals and raising the |
| // signal to SIGKILL if the process keeps running. |
| kill(pid, SIGTERM); |
| } |
| |
| // static |
| void ProcessKiller::OnProcessDied(GPid pid, gint status, gpointer data) { |
| LOG(INFO) << "pid " << pid << " died, status " << status; |
| ProcessKiller *me = reinterpret_cast<ProcessKiller *>(data); |
| map<int, Closure>::iterator callback_it = me->callbacks_.find(pid); |
| if (callback_it == me->callbacks_.end()) { |
| return; |
| } |
| const Closure &callback = callback_it->second; |
| if (!callback.is_null()) { |
| LOG(INFO) << "Running callback for dead pid " << pid; |
| callback.Run(); |
| } |
| me->callbacks_.erase(callback_it); |
| } |
| |
| } // namespace shill |