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39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini halt implementation for busybox
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*
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*
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* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "busybox.h"
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#include <signal.h>
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extern int halt_main(int argc, char **argv)
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{
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#ifdef BB_FEATURE_LINUXRC
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/* don't assume init's pid == 1 */
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pid_t *pid = find_pid_by_name("init");
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if (!pid || *pid<=0)
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error_msg_and_die("no process killed");
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return(kill(*pid, SIGUSR1));
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#else
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return(kill(1, SIGUSR1));
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#endif
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}
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