diff options
Diffstat (limited to 'src/shared/cpu-set-util.h')
-rw-r--r-- | src/shared/cpu-set-util.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/shared/cpu-set-util.h b/src/shared/cpu-set-util.h new file mode 100644 index 0000000..1b6bd35 --- /dev/null +++ b/src/shared/cpu-set-util.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +#pragma once + +#include <sched.h> + +#include "macro.h" + +#ifdef __NCPUBITS +#define CPU_SIZE_TO_NUM(n) ((n) * __NCPUBITS) +#else +#define CPU_SIZE_TO_NUM(n) ((n) * sizeof(cpu_set_t) * 8) +#endif + +DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE); +#define _cleanup_cpu_free_ _cleanup_(CPU_FREEp) + +static inline cpu_set_t* cpu_set_mfree(cpu_set_t *p) { + if (p) + CPU_FREE(p); + return NULL; +} + +cpu_set_t* cpu_set_malloc(unsigned *ncpus); + +int parse_cpu_set_internal(const char *rvalue, cpu_set_t **cpu_set, bool warn, const char *unit, const char *filename, unsigned line, const char *lvalue); + +static inline int parse_cpu_set_and_warn(const char *rvalue, cpu_set_t **cpu_set, const char *unit, const char *filename, unsigned line, const char *lvalue) { + assert(lvalue); + + return parse_cpu_set_internal(rvalue, cpu_set, true, unit, filename, line, lvalue); +} + +static inline int parse_cpu_set(const char *rvalue, cpu_set_t **cpu_set){ + return parse_cpu_set_internal(rvalue, cpu_set, false, NULL, NULL, 0, NULL); +} |