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/* Copyright (C) 2004 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <unistd.h>
#include <string>
#include "rclionice.h"
#include "execmd.h"
#include "log.h"
using namespace std;
bool rclionice(const string& clss, const string& cdata)
{
string ionicexe;
if (!ExecCmd::which("ionice", ionicexe)) {
// ionice not found, bail out
LOGDEB0("rclionice: ionice not found\n");
return false;
}
vector<string> args;
args.push_back("-c");
args.push_back(clss);
if (!cdata.empty()) {
args.push_back("-n");
args.push_back(cdata);
}
args.push_back("-p");
args.push_back(std::to_string(getpid()));
ExecCmd cmd;
int status = cmd.doexec(ionicexe, args);
if (status) {
LOGERR("rclionice: failed, status 0x" << status << "\n");
return false;
}
return true;
}
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