#include <stdio.h>
#include <stdlib.h>
#include "Signal.h"

extern "C" {
	int write (int, const void*, unsigned int);
	int strlen (const char*);
}

const char* signal_strings [32] = {
	"SIGHUP\n",
	"SIGINT\n",
	"SIGQUIT\n",
	"SIGILL\n",
	"SIGTRAP\n",
	"SIGABRT\n",
	"SIGEMT\n",
	"SIGFPE\n",
	"SIGKILL\n",
	"SIGBUS\n",
	"SIGSEGV\n",
	"SIGSYS\n",
	"SIGPIPE\n",
	"SIGALRM\n",
	"SIGTERM\n",
	"SIGUSR1\n",
	"SIGUSR2\n",
	"SIGCHLD\n",
	"SIGPWR\n",
	"SIGVTALRM\n",
	"SIGPROF\n",
	"SIGIO\n",
	"SIGWINDOW\n",
	"SIGSTOP\n",
	"SIGTSTP\n",
	"SIGCONT\n",
	"SIGTTIN\n",
	"SIGTTOU\n",
	"SIGURG\n",
	"SIGLOST\n",
	"SIGRESERVE\n",
	"SIGDIL\n"
};

void
outputsig (int sig)
{
	write (1, signal_strings [sig-1], strlen (signal_strings [sig-1]));
}

void
ignoresig (int)
{
}

main ()
{
	{
		printf ("block signal 2\n");
		CcuSignalBlocker b (2);
		getchar ();
	}
	printf ("print signals 1 and 2\n");
	CcuSignalHandler s1 (1, outputsig);
	CcuSignalHandler s3 (2, outputsig);
	getchar ();
	{
		printf ("ignore signal 1\n");
		CcuSignalHandler s2 (1, ignoresig);
		getchar ();
	}
	printf ("print again signal 1\n");
	while (1);
}