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b/src/utils/rclionice.cpp |
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/* Copyright (C) 2004 J.F.Dockes
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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
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* GNU 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
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* Free Software Foundation, Inc.,
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* 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 "rclionice.h"
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#include "execmd.h"
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#include "debuglog.h"
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bool rclionice(const string& clss, const string& cdata)
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{
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string ionicexe;
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if (!ExecCmd::which("ionice", ionicexe)) {
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// ionice not found, bail out
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LOGDEB(("rclionice: ionice not found\n"));
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return false;
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}
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list<string> args;
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args.push_back("-c");
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args.push_back(clss);
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if (!cdata.empty()) {
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args.push_back("-n");
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args.push_back(cdata);
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}
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char cpid[100];
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sprintf(cpid, "%d", getpid());
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args.push_back("-p");
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args.push_back(cpid);
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ExecCmd cmd;
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int status = cmd.doexec(ionicexe, args);
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if (status) {
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LOGERR(("rclionice: failed, status 0x%x\n", status));
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return false;
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}
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return true;
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}
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