Return to signal.c CVS log

Up to [local] / prex-old / usr / test / signal

Annotation of prex-old/usr/test/signal/signal.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 2007, Kohsuke Ohtani
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the author nor the names of any co-contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: /*
        !            31:  * signal.c - test signal.
        !            32:  */
        !            33:
        !            34: #include <sys/fcntl.h>
        !            35: #include <unistd.h>
        !            36: #include <signal.h>
        !            37: #include <stdio.h>
        !            38: #include <stdlib.h>
        !            39:
        !            40: static void gotsig(int sig);
        !            41:
        !            42: int
        !            43: main(int argc, char *argv[])
        !            44: {
        !            45:        int ttyfd;
        !            46:        pid_t pgrp;
        !            47:
        !            48:        printf("signal test program\n");
        !            49:
        !            50:        if ((ttyfd = open("/dev/tty", O_RDWR)) == -1) {
        !            51:                printf("failed to open tty\n");
        !            52:                exit(1);
        !            53:        }
        !            54:        pgrp = getpgrp();
        !            55:        printf("tcsetpgrp=%x\n", pgrp);
        !            56:        tcsetpgrp(ttyfd, pgrp);
        !            57:        for  (;;);
        !            58:
        !            59:        signal(SIGINT, gotsig);
        !            60: }
        !            61:
        !            62: static void
        !            63: gotsig(int sig)
        !            64: {
        !            65:        printf("Got signal: %d\n", sig);
        !            66: }