diff options
Diffstat (limited to 'src/include/rt-sched.h')
| -rw-r--r-- | src/include/rt-sched.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/include/rt-sched.h b/src/include/rt-sched.h new file mode 100644 index 0000000..6c45f7a --- /dev/null +++ b/src/include/rt-sched.h @@ -0,0 +1,76 @@ +/* + rt-sched.h - sched_setattr() and sched_getattr() API + + (C) Dario Faggioli <raistlin@linux.it>, 2009, 2010 + Copyright (C) 2014 BMW Car IT GmbH, Daniel Wagner <daniel.wagner@bmw-carit.de + + 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + USA */ + +/* This file is based on Dario Faggioli's libdl. Eventually it will be + replaced by a proper implemenation of this API. */ + +#ifndef __RT_SCHED_H__ +#define __RT_SCHED_H__ + +#include <stdint.h> +#include <sys/types.h> + +#ifndef SCHED_DEADLINE +#define SCHED_DEADLINE 6 +#endif + +#ifdef __x86_64__ +#define __NR_sched_setattr 314 +#define __NR_sched_getattr 315 +#endif + +#ifdef __i386__ +#define __NR_sched_setattr 351 +#define __NR_sched_getattr 352 +#endif + +#ifdef __arm__ +#define __NR_sched_setattr 380 +#define __NR_sched_getattr 381 +#endif + +struct sched_attr { + uint32_t size; + uint32_t sched_policy; + uint64_t sched_flags; + + /* SCHED_NORMAL, SCHED_BATCH */ + int32_t sched_nice; + + /* SCHED_FIFO, SCHED_RR */ + uint32_t sched_priority; + + /* SCHED_DEADLINE */ + uint64_t sched_runtime; + uint64_t sched_deadline; + uint64_t sched_period; +}; + +int sched_setattr(pid_t pid, + const struct sched_attr *attr, + unsigned int flags); + +int sched_getattr(pid_t pid, + struct sched_attr *attr, + unsigned int size, + unsigned int flags); + +#endif /* __RT_SCHED_H__ */ |