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// socket++ library. tsig-0.C
// Copyright (C) 1992-1996 Gnanasekaran Swaminathan <gs4t@virginia.edu>
//
// Permission is granted to use at your own risk and distribute this software
// in source and binary forms provided the above copyright notice and this
// paragraph are preserved on all copies. This software is provided "as is"
// with no express or implied warranty.
#include <iostream>
#include <socket++/sig.h>
#include <unistd.h>
using namespace std;
class hnd: public sig::hnd {
public:
int id;
hnd (int signo): sig::hnd (signo), id (signo) {}
hnd (int signo, int i): sig::hnd (signo), id (i) {}
void operator () (int s) {
cout << "handler for " << id << endl;
cout << "Sleeping .." << endl;
sleep (5);
cout << "..finished" << endl;
if (sig::nal.ispending (s)) {
cout << "Signal pendig" << endl;
}
// cout << "Pending signals = " << hex << sig::nal.pending () << dec << endl; // commented out by LN
sigset_t set;
for (unsigned int i=0; i<_SIGSET_NWORDS; i++) {
cout << "sigset[" << i << "]: " << set.__val[i] << endl;
}
for (unsigned int i=1; i<15; i++) {
cout << "ispending(" << i << "): " << sig::nal.ispending (i) << endl;
}
cout << "called by " << s << endl;
}
};
int main (int ac, char** av)
{
hnd sterm0 (SIGTERM);
hnd sterm1 (SIGTERM, SIGTERM * 100);
hnd sint (SIGINT);
hnd susr1 (SIGUSR1);
hnd susr2 (SIGUSR2);
hnd squit (SIGQUIT);
/*
sig::nal.set (SIGTERM, &sterm0);
sig::nal.set (SIGTERM, &sterm1);
sig::nal.set (SIGINT, &sint);
sig::nal.set (SIGUSR1, &susr1);
sig::nal.set (SIGUSR2, &susr2);
sig::nal.set (SIGQUIT, &squit);
*/
cout << "SIGSET_NWORDS: " << _SIGSET_NWORDS << endl;
try {
hnd illegal (300);
}
catch (sigerr e) {
//cout << "sigerr exception thrown by illegal(300)\n";
cout << "catched..." << endl;
}
sig::nal.mask (SIGTERM, SIGUSR1);
sig::nal.mask (SIGTERM, SIGUSR2);
pid_t pid = getpid ();
cout << "send SIGUSR2\n";
kill (pid, SIGTERM);
sleep (20);
sig::nal.unmask (SIGTERM, SIGUSR2);
cout << "send SIGUSR2 again\n";
kill (pid, SIGTERM);
sleep (300);
return 0;
}
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