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-rw-r--r--gnuradio-runtime/include/realtime.h96
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diff --git a/gnuradio-runtime/include/realtime.h b/gnuradio-runtime/include/realtime.h
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--- a/gnuradio-runtime/include/realtime.h
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-/* -*- c++ -*- */
-/*
- * Copyright 2006,2008,2013 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef INCLUDED_GNURADIO_REALTIME_H
-#define INCLUDED_GNURADIO_REALTIME_H
-
-#include <gr_runtime_api.h>
-#include <stdexcept>
-
-/*!
- * \brief System independent way to ask for realtime scheduling
- *
- * \sa sys_pri.h
- */
-
-namespace gr {
-
- typedef enum {
- RT_OK = 0,
- RT_NOT_IMPLEMENTED,
- RT_NO_PRIVS,
- RT_OTHER_ERROR
- } rt_status_t;
-
-
- enum rt_sched_policy {
- RT_SCHED_RR = 0, // round robin
- RT_SCHED_FIFO = 1, // first in first out
- };
-
- /*
- * Define the range for our virtual priorities (don't change these)
- *
- * Processes (or threads) with numerically higher priority values
- * are scheduled before processes with numerically lower priority
- * values. Thus, the value returned by rt_priority_max() will be
- * greater than the value returned by rt_priority_min().
- */
- static inline int rt_priority_min() { return 0; }
- static inline int rt_priority_max() { return 15; }
- static inline int rt_priority_default() { return 1; }
-
- struct GR_RUNTIME_API rt_sched_param {
- int priority;
- rt_sched_policy policy;
-
- rt_sched_param()
- : priority(rt_priority_default()), policy(RT_SCHED_RR){}
-
- rt_sched_param(int priority_, rt_sched_policy policy_ = RT_SCHED_RR)
- {
- if (priority_ < rt_priority_min() || priority_ > rt_priority_max())
- throw std::invalid_argument("rt_sched_param: priority out of range");
-
- priority = priority_;
- policy = policy_;
- }
- };
-
- /*!
- * \brief If possible, enable "realtime" scheduling.
- * \ingroup misc
- *
- * In general, this means that the code will be scheduled before any
- * non-realtime (normal) processes. Note that if your code contains
- * an non-blocking infinite loop and you enable realtime scheduling,
- * it's possible to hang the system.
- */
-
- // NOTE: If you change this, you need to change the code in
- // gnuradio-core/src/lib/runtime/gr_realtime.i, see note there.
- rt_status_t
- GR_RUNTIME_API enable_realtime_scheduling(rt_sched_param = rt_sched_param());
-
-} // namespace gr
-
-#endif /* INCLUDED_GNURADIO_REALTIME_H */