src/shared/cpu-set-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <sched.h>
   5
   6 #include "macro.h"
   7
   8 #ifdef __NCPUBITS
   9 #define CPU_SIZE_TO_NUM(n) ((n) * __NCPUBITS)
  10 #else
  11 #define CPU_SIZE_TO_NUM(n) ((n) * sizeof(cpu_set_t) * 8)
  12 #endif
  13
  14 DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE);
  15 #define _cleanup_cpu_free_ _cleanup_(CPU_FREEp)
  16
  17 static inline cpu_set_t* cpu_set_mfree(cpu_set_t *p) {
  18         if (p)
  19                 CPU_FREE(p);
  20         return NULL;
  21 }
  22
  23 cpu_set_t* cpu_set_malloc(unsigned *ncpus);
  24
  25 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);
  26
  27 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) {
  28         assert(lvalue);
  29
  30         return parse_cpu_set_internal(rvalue, cpu_set, true, unit, filename, line, lvalue);
  31 }
  32
  33 static inline int parse_cpu_set(const char *rvalue, cpu_set_t **cpu_set){
  34         return parse_cpu_set_internal(rvalue, cpu_set, false, NULL, NULL, 0, NULL);
  35 }