1 | // SPDX-License-Identifier: LGPL-2.1 |
2 | // Definitions taken from glibc for use with older systems, same licensing. |
3 | #ifndef _CPU_SET_SCHED_PERF_H |
4 | #define _CPU_SET_SCHED_PERF_H |
5 | |
6 | #include <features.h> |
7 | #include <sched.h> |
8 | |
9 | #ifndef CPU_EQUAL |
10 | #ifndef __CPU_EQUAL_S |
11 | #if __GNUC_PREREQ (2, 91) |
12 | # define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \ |
13 | (__builtin_memcmp (cpusetp1, cpusetp2, setsize) == 0) |
14 | #else |
15 | # define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \ |
16 | (__extension__ \ |
17 | ({ const __cpu_mask *__arr1 = (cpusetp1)->__bits; \ |
18 | const __cpu_mask *__arr2 = (cpusetp2)->__bits; \ |
19 | size_t __imax = (setsize) / sizeof (__cpu_mask); \ |
20 | size_t __i; \ |
21 | for (__i = 0; __i < __imax; ++__i) \ |
22 | if (__arr1[__i] != __arr2[__i]) \ |
23 | break; \ |
24 | __i == __imax; })) |
25 | #endif |
26 | #endif // __CPU_EQUAL_S |
27 | |
28 | #define CPU_EQUAL(cpusetp1, cpusetp2) \ |
29 | __CPU_EQUAL_S (sizeof (cpu_set_t), cpusetp1, cpusetp2) |
30 | #endif // CPU_EQUAL |
31 | |
32 | #ifndef CPU_OR |
33 | #ifndef __CPU_OP_S |
34 | #define __CPU_OP_S(setsize, destset, srcset1, srcset2, op) \ |
35 | (__extension__ \ |
36 | ({ cpu_set_t *__dest = (destset); \ |
37 | const __cpu_mask *__arr1 = (srcset1)->__bits; \ |
38 | const __cpu_mask *__arr2 = (srcset2)->__bits; \ |
39 | size_t __imax = (setsize) / sizeof (__cpu_mask); \ |
40 | size_t __i; \ |
41 | for (__i = 0; __i < __imax; ++__i) \ |
42 | ((__cpu_mask *) __dest->__bits)[__i] = __arr1[__i] op __arr2[__i]; \ |
43 | __dest; })) |
44 | #endif // __CPU_OP_S |
45 | |
46 | #define CPU_OR(destset, srcset1, srcset2) \ |
47 | __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, |) |
48 | #endif // CPU_OR |
49 | |
50 | #endif // _CPU_SET_SCHED_PERF_H |
51 | |