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      1 /*
      2  * Copyright (c) 2015 Cui Bixuan <cuibixuan (at) huawei.com>
      3  *
      4  * This program is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU General Public License as
      6  * published by the Free Software Foundation; either version 2 of
      7  * the License, or (at your option) any later version.
      8  *
      9  * This program is distributed in the hope that it would 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.
     13  *
     14  * You should have received a copy of the GNU General Public License
     15  * along with this program; if not, write the Free Software Foundation,
     16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     17  */
     18 
     19 #ifndef __SCHED_H__
     20 #define __SCHED_H__
     21 
     22 #include "lapi/syscalls.h"
     23 #include <stdint.h>
     24 #include <inttypes.h>
     25 
     26 struct sched_attr {
     27 	uint32_t size;
     28 
     29 	uint32_t sched_policy;
     30 	uint64_t sched_flags;
     31 
     32 	/* SCHED_NORMAL, SCHED_BATCH */
     33 	int32_t sched_nice;
     34 
     35 	/* SCHED_FIFO, SCHED_RR */
     36 	uint32_t sched_priority;
     37 
     38 	/* SCHED_DEADLINE (nsec) */
     39 	uint64_t sched_runtime;
     40 	uint64_t sched_deadline;
     41 	uint64_t sched_period;
     42 };
     43 
     44 int sched_setattr(pid_t pid,
     45 	const struct sched_attr *attr,
     46 	unsigned int flags)
     47 {
     48 	return syscall(__NR_sched_setattr, pid, attr, flags);
     49 }
     50 
     51 int sched_getattr(pid_t pid,
     52 	struct sched_attr *attr,
     53 	unsigned int size,
     54 	unsigned int flags)
     55 {
     56 	return syscall(__NR_sched_getattr, pid, attr, size, flags);
     57 }
     58 
     59 #ifndef CLONE_VM
     60 #define CLONE_VM   0x00000100
     61 #endif
     62 
     63 #ifndef CLONE_FS
     64 #define CLONE_FS   0x00000200
     65 #endif
     66 
     67 #ifndef CLONE_SYSVSEM
     68 #define CLONE_SYSVSEM   0x00040000
     69 #endif
     70 
     71 #ifndef CLONE_IO
     72 #define CLONE_IO        0x80000000
     73 #endif
     74 
     75 #endif /* __SCHED_H__ */
     76