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// 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
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