OZ++ Sample: SignalWatcher |
/******************************************************************************
*
* Copyright (c) 2015 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* SignalWatcher.cpp
*
*****************************************************************************/
#include <oz++/SignalWatcher.h>
#include <oz++/SignalSet.h>
#include <oz++/Signal.h>
namespace OZ {
class WorkerThread: public Thread {
private:
bool looping;
public:
WorkerThread()
:Thread(),
looping(true)
{
}
public:
virtual void signaled(SignalInfo& siginfo)
{
int signo = siginfo.ssi_signo;
const char* name = Signal::toString(signo);
printf("WorkerThread::signaled called. signo=%d %s\n", signo, name);
}
virtual void run()
{
while (looping) {
sleep(1);
}
}
void stop()
{
looping = false;
}
};
}
//
int main(int argc, char* argv[])
{
try {
SignalSet mask;
mask.add(SIGINT);
mask.add(SIGQUIT);
mask.block();
SignalWatcher watcher(-1, mask, 0);
WorkerThread worker;
//Set a signal callback (WorkerThread::signaled) to the watcher.
watcher.setCallback(&worker, (Signaled)&WorkerThread::signaled);
watcher.start();
worker.start();
watcher.wait();
worker.wait();
} catch (Exception& ex) {
caught(ex);
}
return 0;
}