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/* vi: set sw=4 ts=4: */

/*

 * signal testing function for uClibc

 *

 * Copyright (C) 2000 by Lineo, inc. and Erik Andersen

 * Copyright (C) 2000,2001 by Erik Andersen <andersen@uclibc.org>

 * Written by Erik Andersen <andersen@uclibc.org>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Library General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or (at your

 * option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License

 * for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 *

 */

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <strings.h>

#include <fcntl.h>

#include <signal.h>

/* -------------------------------------------------*/

/* This stuff is common to all the testing routines */

/* -------------------------------------------------*/

const char *it = "<UNSET>";             /* Routine name for message routines. */

size_t errors = 0;

void check(int thing, int number)

{

        if (!thing) {

                printf("%s: flunked test %d\n", it, number);

                ++errors;

        }

}

void equal(const char *a, const char *b, int number)

{

        check(a != NULL && b != NULL && (strcmp(a, b) == 0), number);

}

/* -------------------------------------------------*/

/* Let the tests begin....                          */

/* -------------------------------------------------*/

int global_int = 0;

void set_global_int_to_one(int signum)

{

        printf ("Received signal %d (%s).\n", signum, strsignal(signum));

        global_int = 1;

        return;

}

void signal_test_1(void)

{

        global_int = 0;

        it = "global variable set from signal handler";

        signal(SIGUSR1, set_global_int_to_one);

        raise(SIGUSR1);

        /* This should already have jumped to the signal handler */

        check((global_int == 1), 1);

        global_int = 0;

        signal(SIGUSR1, SIG_IGN);

        raise(SIGUSR1);

        /* This should not go to the signal handler this time since we  */

        check((global_int == 0), 1);

}

int main(void)

{

        int status;

        signal_test_1();

        if (errors == 0) {

                status = EXIT_SUCCESS;

                printf("No errors.\n");

        } else {

                status = EXIT_FAILURE;

                printf("%d errors.\n", errors);

        }

        exit(status);

}