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+/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
+   Copyright (C) 1996-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef	_SCHED_H
+#define	_SCHED_H	1
+
+#include <features.h>
+
+/* Get type definitions.  */
+#include <bits/types.h>
+
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+#include <bits/types/time_t.h>
+#include <bits/types/struct_timespec.h>
+#ifndef __USE_XOPEN2K
+# include <time.h>
+#endif
+
+#ifndef __pid_t_defined
+typedef __pid_t pid_t;
+# define __pid_t_defined
+#endif
+
+
+/* Get system specific constant and data structure definitions.  */
+#include <bits/sched.h>
+/* Define the real names for the elements of `struct sched_param'.  */
+#define sched_priority	__sched_priority
+
+
+__BEGIN_DECLS
+
+/* Set scheduling parameters for a process.  */
+extern int sched_setparam (__pid_t __pid, const struct sched_param *__param)
+     __THROW;
+
+/* Retrieve scheduling parameters for a particular process.  */
+extern int sched_getparam (__pid_t __pid, struct sched_param *__param) __THROW;
+
+/* Set scheduling algorithm and/or parameters for a process.  */
+extern int sched_setscheduler (__pid_t __pid, int __policy,
+			       const struct sched_param *__param) __THROW;
+
+/* Retrieve scheduling algorithm for a particular purpose.  */
+extern int sched_getscheduler (__pid_t __pid) __THROW;
+
+/* Yield the processor.  */
+extern int sched_yield (void) __THROW;
+
+/* Get maximum priority value for a scheduler.  */
+extern int sched_get_priority_max (int __algorithm) __THROW;
+
+/* Get minimum priority value for a scheduler.  */
+extern int sched_get_priority_min (int __algorithm) __THROW;
+
+/* Get the SCHED_RR interval for the named process.  */
+extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW;
+
+
+#ifdef __USE_GNU
+/* Access macros for `cpu_set'.  */
+# define CPU_SETSIZE __CPU_SETSIZE
+# define CPU_SET(cpu, cpusetp)	 __CPU_SET_S (cpu, sizeof (cpu_set_t), cpusetp)
+# define CPU_CLR(cpu, cpusetp)	 __CPU_CLR_S (cpu, sizeof (cpu_set_t), cpusetp)
+# define CPU_ISSET(cpu, cpusetp) __CPU_ISSET_S (cpu, sizeof (cpu_set_t), \
+						cpusetp)
+# define CPU_ZERO(cpusetp)	 __CPU_ZERO_S (sizeof (cpu_set_t), cpusetp)
+# define CPU_COUNT(cpusetp)	 __CPU_COUNT_S (sizeof (cpu_set_t), cpusetp)
+
+# define CPU_SET_S(cpu, setsize, cpusetp)   __CPU_SET_S (cpu, setsize, cpusetp)
+# define CPU_CLR_S(cpu, setsize, cpusetp)   __CPU_CLR_S (cpu, setsize, cpusetp)
+# define CPU_ISSET_S(cpu, setsize, cpusetp) __CPU_ISSET_S (cpu, setsize, \
+							   cpusetp)
+# define CPU_ZERO_S(setsize, cpusetp)	    __CPU_ZERO_S (setsize, cpusetp)
+# define CPU_COUNT_S(setsize, cpusetp)	    __CPU_COUNT_S (setsize, cpusetp)
+
+# define CPU_EQUAL(cpusetp1, cpusetp2) \
+  __CPU_EQUAL_S (sizeof (cpu_set_t), cpusetp1, cpusetp2)
+# define CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
+  __CPU_EQUAL_S (setsize, cpusetp1, cpusetp2)
+
+# define CPU_AND(destset, srcset1, srcset2) \
+  __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, &)
+# define CPU_OR(destset, srcset1, srcset2) \
+  __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, |)
+# define CPU_XOR(destset, srcset1, srcset2) \
+  __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, ^)
+# define CPU_AND_S(setsize, destset, srcset1, srcset2) \
+  __CPU_OP_S (setsize, destset, srcset1, srcset2, &)
+# define CPU_OR_S(setsize, destset, srcset1, srcset2) \
+  __CPU_OP_S (setsize, destset, srcset1, srcset2, |)
+# define CPU_XOR_S(setsize, destset, srcset1, srcset2) \
+  __CPU_OP_S (setsize, destset, srcset1, srcset2, ^)
+
+# define CPU_ALLOC_SIZE(count) __CPU_ALLOC_SIZE (count)
+# define CPU_ALLOC(count) __CPU_ALLOC (count)
+# define CPU_FREE(cpuset) __CPU_FREE (cpuset)
+
+
+/* Set the CPU affinity for a task */
+extern int sched_setaffinity (__pid_t __pid, size_t __cpusetsize,
+			      const cpu_set_t *__cpuset) __THROW;
+
+/* Get the CPU affinity for a task */
+extern int sched_getaffinity (__pid_t __pid, size_t __cpusetsize,
+			      cpu_set_t *__cpuset) __THROW;
+#endif
+
+__END_DECLS
+
+#endif /* sched.h */