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Annotation of coherent/d/etc/reboot.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Reboot the processor by transferring to the reset vector of the 8088.
        !             3:  *
        !             4:  * $Log:       /usr/src.inetco/etc/reboot.c,v $
        !             5:  * Revision 1.3        90/04/17  14:56:54      root
        !             6:  * steve 4/17/90
        !             7:  * Added sync() after prompt with -p option.
        !             8:  * 
        !             9:  * Revision 1.2        90/04/17  14:48:29      root
        !            10:  * steve 4/17/90
        !            11:  * Added "-p" option to prompt user to hit <Enter> before rebooting,
        !            12:  * for use during installation.
        !            13:  * 
        !            14:  * Revision 1.1        90/04/17  14:34:11      root
        !            15:  * Initial revision
        !            16:  * 
        !            17:  * 86/12/19    Allan Cornish           /usr/src/cmd/etc/reboot.c
        !            18:  * reboot.s converted into reboot.c and rebootas.s to provide time for
        !            19:  * disk drives to turn off before initiating reboot.
        !            20:  */
        !            21: 
        !            22: #include <stdio.h>
        !            23: #include <signal.h>
        !            24: 
        !            25: sigquiet( sig )
        !            26: int sig;
        !            27: {
        !            28:        signal( sig, sigquiet );
        !            29: }
        !            30: 
        !            31: main (argc, argv) int argc; char *argv[];
        !            32: {
        !            33:        char buf[80];
        !            34: 
        !            35:        if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'p') {
        !            36:                /* Prompt before reboot. */
        !            37:                printf("Hit <Enter> and your system will reboot automatically... ");
        !            38:                fflush(stdout);
        !            39:                sync();
        !            40:                fgets(buf, sizeof buf, stdin);
        !            41:        }
        !            42:                
        !            43:        /*
        !            44:         * Trap alarm signals.
        !            45:         */
        !            46:        signal( SIGALRM, sigquiet );
        !            47: 
        !            48:        /*
        !            49:         * Wait at least 4 seconds for drives to turn off, etc.
        !            50:         */
        !            51:        alarm( 5 );
        !            52:        pause();
        !            53: 
        !            54:        /*
        !            55:         * Reboot the processor.
        !            56:         */
        !            57:        reboot();
        !            58: 
        !            59:        /*
        !            60:         * Should never reach here.
        !            61:         */
        !            62:        exit(1);
        !            63: }

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