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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
618234a5 LP |
2 | #pragma once |
3 | ||
618234a5 LP |
4 | #include <sched.h> |
5 | ||
6 | #include "macro.h" | |
b070c7c0 | 7 | #include "missing_syscall.h" |
618234a5 | 8 | |
0985c7c4 ZJS |
9 | /* This wraps the libc interface with a variable to keep the allocated size. */ |
10 | typedef struct CPUSet { | |
11 | cpu_set_t *set; | |
12 | size_t allocated; /* in bytes */ | |
13 | } CPUSet; | |
14 | ||
15 | static inline void cpu_set_reset(CPUSet *a) { | |
16 | assert((a->allocated > 0) == !!a->set); | |
17 | if (a->set) | |
18 | CPU_FREE(a->set); | |
19 | *a = (CPUSet) {}; | |
6d8a29b2 YW |
20 | } |
21 | ||
0985c7c4 | 22 | int cpu_set_add_all(CPUSet *a, const CPUSet *b); |
332d387f | 23 | int cpu_set_add(CPUSet *a, unsigned cpu); |
0985c7c4 ZJS |
24 | |
25 | char* cpu_set_to_string(const CPUSet *a); | |
71b28519 | 26 | char *cpu_set_to_range_string(const CPUSet *a); |
167a776d | 27 | int cpu_set_realloc(CPUSet *cpu_set, unsigned ncpus); |
71b28519 | 28 | |
0985c7c4 ZJS |
29 | int parse_cpu_set_full( |
30 | const char *rvalue, | |
31 | CPUSet *cpu_set, | |
32 | bool warn, | |
33 | const char *unit, | |
34 | const char *filename, unsigned line, | |
35 | const char *lvalue); | |
36 | int parse_cpu_set_extend( | |
37 | const char *rvalue, | |
38 | CPUSet *old, | |
39 | bool warn, | |
40 | const char *unit, | |
41 | const char *filename, | |
42 | unsigned line, | |
43 | const char *lvalue); | |
44 | ||
45 | static inline int parse_cpu_set(const char *rvalue, CPUSet *cpu_set){ | |
46 | return parse_cpu_set_full(rvalue, cpu_set, false, NULL, NULL, 0, NULL); | |
6d8a29b2 | 47 | } |
f44b3035 | 48 | |
c367f996 MS |
49 | int cpu_set_to_dbus(const CPUSet *set, uint8_t **ret, size_t *allocated); |
50 | int cpu_set_from_dbus(const uint8_t *bits, size_t size, CPUSet *set); | |
51 | ||
f44b3035 | 52 | int cpus_in_affinity_mask(void); |