Open Lighting Architecture: include/ola/thread/SignalThread.h Source File

| Open Lighting Architecture 0.10.9

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SignalThread.h
1/*
2 * This library is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU Lesser General Public
4 * License as published by the Free Software Foundation; either
5 * version 2.1 of the License, or (at your option) any later version.
6 *
7 * This library is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public
13 * License along with this library; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15 *
16 * SignalThread.h
17 * A thread to handle signals.
18 * Copyright (C) 2013 Simon Newton
19 */
20
21#ifndef INCLUDE_OLA_THREAD_SIGNALTHREAD_H_
22#define INCLUDE_OLA_THREAD_SIGNALTHREAD_H_
23
24#include <signal.h>
25#include <ola/Callback.h>
26#include <ola/base/Macro.h>
27#include <ola/thread/Thread.h>
28#include <map>
29
30namespace ola {
31namespace thread {
32
48 class SignalThread : public ola::thread::Thread {
49 public:
50 typedef ola::Callback0<void> SignalHandler;
51
52 SignalThread();
53 ~SignalThread();
54
55 // This has to be called before Start(). You can't add signal handlers once
56 // the thread is running.
57 bool InstallSignalHandler(int signal, SignalHandler *handler);
58
59 protected:
60 void* Run();
61
62 private:
63 typedef std::map<int, SignalHandler*> SignalMap;
64
65 SignalMap m_signal_handlers;
66
67 bool AddSignals(sigset_t *signals);
68 bool BlockSignal(int signal);
69
70 SignalThread(const SignalThread &) = delete;
71 const SignalThread &operator=(const SignalThread &) = delete;
72};
73} // namespace thread
74} // namespace ola
75#endif // INCLUDE_OLA_THREAD_SIGNALTHREAD_H_
Callback.h
Macro.h
Helper macros.
ola::Callback0
A 0 argument callback which can be called multiple times.
Definition Callback.h:129
ola::thread::SignalThread::Run
void * Run()
Entry point into the thread.
Definition SignalThread.cpp:87
ola::thread::SignalThread::InstallSignalHandler
bool InstallSignalHandler(int signal, SignalHandler *handler)
Install a signal handler for the given signal.
Definition SignalThread.cpp:76
ola::thread::Thread
Definition Thread.h:52
ola::thread
Threads and synchronization mechanisms.
Definition ConsumerThread.cpp:25
ola
The namespace containing all OLA symbols.
Definition Credentials.cpp:44