// Copyright © 2015 Richard Kettlewell.
//
// 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 <config.h>
#include "rsbackup.h"
#include "Errors.h"
#include "Utils.h"
#include <cerrno>
#include <fcntl.h>

void nonblock(int fd) {
  int ret = fcntl(fd, F_GETFL);
  if(ret < 0)
    throw SystemError("fcntl", errno);
  if(fcntl(fd, F_SETFL, ret | O_NONBLOCK) < 0)
    throw SystemError("fcntl", errno);
}
