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-rw-r--r--bits/sched.h127
1 files changed, 5 insertions, 122 deletions
diff --git a/bits/sched.h b/bits/sched.h
index ca105696a1..bdd94c969d 100644
--- a/bits/sched.h
+++ b/bits/sched.h
@@ -1,6 +1,6 @@
/* Definitions of constants and data structure for POSIX 1003.1b-1993
scheduling interface.
- Copyright (C) 1996-2016 Free Software Foundation, Inc.
+ Copyright (C) 1996-2018 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
@@ -17,135 +17,18 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#ifndef __need_schedparam
+#ifndef _BITS_SCHED_H
+#define _BITS_SCHED_H 1
#ifndef _SCHED_H
# error "Never include <bits/sched.h> directly; use <sched.h> instead."
#endif
-
/* Scheduling algorithms. */
#define SCHED_OTHER 0
#define SCHED_FIFO 1
#define SCHED_RR 2
-/* Data structure to describe a process' schedulability. */
-struct sched_param
-{
- int __sched_priority;
-};
-
-#endif /* need schedparam */
-
-#if !defined __defined_schedparam \
- && (defined __need_schedparam || defined _SCHED_H)
-# define __defined_schedparam 1
-/* Data structure to describe a process' schedulability. */
-struct __sched_param
- {
- int __sched_priority;
- };
-# undef __need_schedparam
-#endif
-
-
-#if defined _SCHED_H && !defined __cpu_set_t_defined
-# define __cpu_set_t_defined
-/* Size definition for CPU sets. */
-# define __CPU_SETSIZE 1024
-# define __NCPUBITS (8 * sizeof (__cpu_mask))
-
-/* Type for array elements in 'cpu_set_t'. */
-typedef unsigned long int __cpu_mask;
-
-/* Basic access functions. */
-# define __CPUELT(cpu) ((cpu) / __NCPUBITS)
-# define __CPUMASK(cpu) ((__cpu_mask) 1 << ((cpu) % __NCPUBITS))
-
-/* Data structure to describe CPU mask. */
-typedef struct
-{
- __cpu_mask __bits[__CPU_SETSIZE / __NCPUBITS];
-} cpu_set_t;
+#include <bits/types/struct_sched_param.h>
-/* Access functions for CPU masks. */
-# if __GNUC_PREREQ (2, 91)
-# define __CPU_ZERO_S(setsize, cpusetp) \
- do __builtin_memset (cpusetp, '\0', setsize); while (0)
-# else
-# define __CPU_ZERO_S(setsize, cpusetp) \
- do { \
- size_t __i; \
- size_t __imax = (setsize) / sizeof (__cpu_mask); \
- __cpu_mask *__bits = (cpusetp)->__bits; \
- for (__i = 0; __i < __imax; ++__i) \
- __bits[__i] = 0; \
- } while (0)
-# endif
-# define __CPU_SET_S(cpu, setsize, cpusetp) \
- (__extension__ \
- ({ size_t __cpu = (cpu); \
- __cpu < 8 * (setsize) \
- ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)] \
- |= __CPUMASK (__cpu)) \
- : 0; }))
-# define __CPU_CLR_S(cpu, setsize, cpusetp) \
- (__extension__ \
- ({ size_t __cpu = (cpu); \
- __cpu < 8 * (setsize) \
- ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)] \
- &= ~__CPUMASK (__cpu)) \
- : 0; }))
-# define __CPU_ISSET_S(cpu, setsize, cpusetp) \
- (__extension__ \
- ({ size_t __cpu = (cpu); \
- __cpu < 8 * (setsize) \
- ? ((((const __cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)] \
- & __CPUMASK (__cpu))) != 0 \
- : 0; }))
-
-# define __CPU_COUNT_S(setsize, cpusetp) \
- __sched_cpucount (setsize, cpusetp)
-
-# if __GNUC_PREREQ (2, 91)
-# define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
- (__builtin_memcmp (cpusetp1, cpusetp2, setsize) == 0)
-# else
-# define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
- (__extension__ \
- ({ const __cpu_mask *__arr1 = (cpusetp1)->__bits; \
- const __cpu_mask *__arr2 = (cpusetp2)->__bits; \
- size_t __imax = (setsize) / sizeof (__cpu_mask); \
- size_t __i; \
- for (__i = 0; __i < __imax; ++__i) \
- if (__arr1[__i] != __arr2[__i]) \
- break; \
- __i == __imax; }))
-# endif
-
-# define __CPU_OP_S(setsize, destset, srcset1, srcset2, op) \
- (__extension__ \
- ({ cpu_set_t *__dest = (destset); \
- const __cpu_mask *__arr1 = (srcset1)->__bits; \
- const __cpu_mask *__arr2 = (srcset2)->__bits; \
- size_t __imax = (setsize) / sizeof (__cpu_mask); \
- size_t __i; \
- for (__i = 0; __i < __imax; ++__i) \
- ((__cpu_mask *) __dest->__bits)[__i] = __arr1[__i] op __arr2[__i]; \
- __dest; }))
-
-# define __CPU_ALLOC_SIZE(count) \
- ((((count) + __NCPUBITS - 1) / __NCPUBITS) * sizeof (__cpu_mask))
-# define __CPU_ALLOC(count) __sched_cpualloc (count)
-# define __CPU_FREE(cpuset) __sched_cpufree (cpuset)
-
-__BEGIN_DECLS
-
-extern int __sched_cpucount (size_t __setsize, const cpu_set_t *__setp)
- __THROW;
-extern cpu_set_t *__sched_cpualloc (size_t __count) __THROW __wur;
-extern void __sched_cpufree (cpu_set_t *__set) __THROW;
-
-__END_DECLS
-
-#endif
+#endif /* bits/sched.h */