2 * Copyright (C) 2014 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __libbackend_portaudio_rthread_h__
20 #define __libbackend_portaudio_rthread_h__
26 _realtime_pthread_create (
27 const int policy, int priority, const size_t stacksize,
29 void *(*start_routine) (void *),
35 struct sched_param parm;
37 const int p_min = sched_get_priority_min (policy);
38 const int p_max = sched_get_priority_max (policy);
40 if (priority > p_max) priority = p_max;
41 if (priority < p_min) priority = p_min;
42 parm.sched_priority = priority;
44 pthread_attr_init (&attr);
45 pthread_attr_setschedpolicy (&attr, policy);
46 pthread_attr_setschedparam (&attr, &parm);
47 pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);
48 pthread_attr_setinheritsched (&attr, PTHREAD_EXPLICIT_SCHED);
49 pthread_attr_setstacksize (&attr, stacksize);
50 rv = pthread_create (thread, &attr, start_routine, arg);
51 pthread_attr_destroy (&attr);