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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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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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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include "libbb.h"
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#define COMM_LEN 16 /* synchronize with size of comm in struct task_struct
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in /usr/include/linux/sched.h */
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/* find_pid_by_name()
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*
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* Modified by Vladimir Oleynik for use with libbb/procps.c
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* This finds the pid of the specified process.
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* Currently, it's implemented by rummaging through
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* the proc filesystem.
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*
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* Returns a list of all matching PIDs
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*/
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extern long* find_pid_by_name( const char* pidName)
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{
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long* pidList;
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int i=0;
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procps_status_t * p;
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pidList = xmalloc(sizeof(long));
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while ((p = procps_scan(0)) != 0)
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{
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if (strncmp(p->short_cmd, pidName, COMM_LEN-1) == 0) {
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pidList=xrealloc( pidList, sizeof(long) * (i+2));
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pidList[i++]=p->pid;
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}
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}
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pidList[i] = i==0 ? -1 : 0;
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return pidList;
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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