root / prex-0.9.0 / usr / test / shutdown / shutdown.c @ 03e9c04a
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/*
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* Copyright (c) 2006-2009, Kohsuke Ohtani
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* shutdown.c - test shutdown function.
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*
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* NOTE: This program requires CAP_PWRMGMT capability.
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*/
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#include <sys/prex.h> |
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#include <sys/ioctl.h> |
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#include <ipc/pow.h> |
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#include <ipc/ipc.h> |
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#include <unistd.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <signal.h> |
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static void usage(void); |
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static void shutdown(int); |
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int
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main(int argc, char *argv[]) |
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{ |
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int ch, checkch, rflag;
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rflag = 0;
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if (argc > 1) { |
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if (!strcmp(argv[1], "-r")) |
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rflag = 1; /* reboot */ |
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else {
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usage(); |
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exit(1);
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} |
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} |
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/*
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* User confirmation is required for security.
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*/
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printf("Do you want to shutdown the system now? (y/n) ");
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checkch = ch = getchar(); |
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while (ch != '\n' && ch != EOF) |
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ch = getchar(); |
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if (checkch != 'y') |
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exit(0);
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shutdown(rflag); |
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fprintf(stderr, "Shutdown failed!\n");
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exit(1);
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} |
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static void |
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usage(void)
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{ |
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fprintf(stderr, "usage: shutdown [-r]\n");
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exit(1);
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/* NOTREACHED */
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} |
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static void |
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shutdown(int reboot)
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{ |
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object_t powobj; |
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struct msg m;
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int error;
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if ((error = object_lookup("!pow", &powobj)) != 0) |
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return;
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m.hdr.code = POW_SET_POWER; |
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m.data[0] = reboot ? PWR_REBOOT : PWR_OFF;
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error = msg_send(powobj, &m, sizeof(m));
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} |