smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2025-12-08 07:45:00 +01:00
Code Issues Projects Releases Wiki Activity

get started on coreaudio/midi backend

Browse source
This commit is contained in:
Robin Gareus 2015-03-05 06:22:33 +01:00
parent 9e7ea2e57c
commit f6f64d3f81
9 changed files with 3274 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

55
libs/backends/coreaudio/rt_thread.h Normal file
View file

@ -0,0 +1,55 @@
/*
* Copyright (C) 2014 Robin Gareus <robin@gareus.org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __libbackend_alsa_rthread_h__
#define __libbackend_alsa_rthread_h__
#include <pthread.h>
#include <sched.h>
static int
_realtime_pthread_create (
const int policy, int priority, const size_t stacksize,
pthread_t *thread,
void *(*start_routine) (void *),
void *arg)
{
int rv;
pthread_attr_t attr;
struct sched_param parm;
const int p_min = sched_get_priority_min (policy);
const int p_max = sched_get_priority_max (policy);
priority += p_max;
if (priority > p_max) priority = p_max;
if (priority < p_min) priority = p_min;
parm.sched_priority = priority;
pthread_attr_init (&attr);
pthread_attr_setschedpolicy (&attr, policy);
pthread_attr_setschedparam (&attr, &parm);
pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);
pthread_attr_setinheritsched (&attr, PTHREAD_EXPLICIT_SCHED);
pthread_attr_setstacksize (&attr, stacksize);
rv = pthread_create (thread, &attr, start_routine, arg);
pthread_attr_destroy (&attr);
return rv;
}
#endif