uhd

//

// Copyright 2010 Ettus Research LLC

//

// 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 3 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, see <http://www.gnu.org/licenses/>.

//

#include <uhd/utils/static.hpp>

#include <stdexcept>

#include <iostream>

#ifdef HAVE_SCHED_H

#include <sched.h>

/*

 * # /etc/security/limits.conf

#

@usrp   -       rtprio  99

*/

UHD_STATIC_BLOCK(setup_process_sched){

    try{

        int policy = SCHED_RR;

        int max_pri = sched_get_priority_max(policy);

        if (max_pri == -1) throw std::runtime_error("sched_get_priority_max with SCHED_RR failed");

        sched_param sp; sp.sched_priority = max_pri;

        int ss_ret = sched_setscheduler(0, policy, &sp);

        if (ss_ret == -1) throw std::runtime_error("sched_setscheduler with SCHED_RR failed");

    }

    catch(const std::exception &e){

        std::cerr << "Process scheduling error: " << e.what() << std::endl;

    }

}

#endif /* HAVE_SCHED_H */