cpus.h

   1 #ifndef CPUS_H
   2 #define CPUS_H
   3
   4 #include <unistd.h>
   5 #include "built_in.h"
   6 #include "die.h"
   7
   8 static inline unsigned int get_number_cpus(void)
   9 {
  10         int ret = sysconf(_SC_NPROCESSORS_CONF);
  11
  12         if (unlikely(ret <= 0))
  13                 panic("get_number_cpus error!\n");
  14
  15         return ret;
  16 }
  17
  18 static inline unsigned int get_number_cpus_online(void)
  19 {
  20         int ret = sysconf(_SC_NPROCESSORS_ONLN);
  21
  22         if (unlikely(ret <= 0))
  23                 panic("get_number_cpus_online error!\n");
  24
  25         return ret;
  26 }
  27
  28 #endif /* CPUS_H */