mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 08:02:30 +00:00
de20e3200c
From the glibc sources, so that we can keep the tooling buildable in older systems while using recent sched.h CPU_ macros. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/n/tip-hvm9ysmrjip75ebdzhzoh429@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
// SPDX-License-Identifier: LGPL-2.1
|
|
// Definitions taken from glibc for use with older systems, same licensing.
|
|
#ifndef _CPU_SET_SCHED_PERF_H
|
|
#define _CPU_SET_SCHED_PERF_H
|
|
|
|
#include <features.h>
|
|
#include <sched.h>
|
|
|
|
#ifndef CPU_EQUAL
|
|
#ifndef __CPU_EQUAL_S
|
|
#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
|
|
#endif // __CPU_EQUAL_S
|
|
|
|
#define CPU_EQUAL(cpusetp1, cpusetp2) \
|
|
__CPU_EQUAL_S (sizeof (cpu_set_t), cpusetp1, cpusetp2)
|
|
#endif // CPU_EQUAL
|
|
|
|
#ifndef CPU_OR
|
|
#ifndef __CPU_OP_S
|
|
#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; }))
|
|
#endif // __CPU_OP_S
|
|
|
|
#define CPU_OR(destset, srcset1, srcset2) \
|
|
__CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, |)
|
|
#endif // CPU_OR
|
|
|
|
#endif // _CPU_SET_SCHED_PERF_H
|