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@ -13,18 +13,24 @@ uint64_t shots = 0,
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double pi = 0,
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t1;
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sigset_t alset, intset, quitset;
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void alarm_handler(int)
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{
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sigprocmask(SIG_BLOCK, &alset, NULL);
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printf("pi = %f\n", pi);
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printf("le nombre de tirs est de %f\n", (double)shots);
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alarm(5);
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sigprocmask(SIG_UNBLOCK, &alset, NULL);
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}
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void int_handler(int)
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{
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char c;
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alarm(0);
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sigprocmask(SIG_BLOCK, &intset, NULL);
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char c;
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printf("Voulez-vous quitter ? (y/n)\n");
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c = getchar();
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@ -33,15 +39,20 @@ void int_handler(int)
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printf("Le temps écoulé est de %f\n", tstamp() - t1);
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exit(0);
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}
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return;
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sigprocmask(SIG_UNBLOCK, &intset, NULL);
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alarm(5);
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}
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void quit_handler(int)
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{
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alarm(0);
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sigprocmask(SIG_BLOCK, &quitset, NULL);
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shots = 0;
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shots_in = 0;
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t1 = tstamp();
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sigprocmask(SIG_UNBLOCK, &quitset, NULL);
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alarm(5);
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}
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int main(int argc, char *argv[])
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@ -49,6 +60,12 @@ int main(int argc, char *argv[])
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double x, y;
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t1 = tstamp();
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alarm(5);
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sigaddset(&alset, SIGINT);
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sigaddset(&alset, SIGQUIT);
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sigaddset(&intset, SIGALRM);
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sigaddset(&intset, SIGQUIT);
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sigaddset(&quitset, SIGALRM);
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sigaddset(&quitset, SIGINT);
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set_signal_handler(SIGALRM, &alarm_handler);
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set_signal_handler(SIGINT, &int_handler);
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set_signal_handler(SIGQUIT, &quit_handler);
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