libc-top-half/musl/compat/time32/getrusage_time32.c

   1 #include "time32.h"
   2 #include <string.h>
   3 #include <stddef.h>
   4 #include <sys/resource.h>
   5
   6 struct compat_rusage {
   7         struct timeval32 ru_utime;
   8         struct timeval32 ru_stime;
   9         long    ru_maxrss;
  10         long    ru_ixrss;
  11         long    ru_idrss;
  12         long    ru_isrss;
  13         long    ru_minflt;
  14         long    ru_majflt;
  15         long    ru_nswap;
  16         long    ru_inblock;
  17         long    ru_oublock;
  18         long    ru_msgsnd;
  19         long    ru_msgrcv;
  20         long    ru_nsignals;
  21         long    ru_nvcsw;
  22         long    ru_nivcsw;
  23 };
  24
  25 int __getrusage_time32(int who, struct compat_rusage *usage)
  26 {
  27         struct rusage ru;
  28         int r = getrusage(who, &ru);
  29         if (!r) {
  30                 usage->ru_utime.tv_sec = ru.ru_utime.tv_sec;
  31                 usage->ru_utime.tv_usec = ru.ru_utime.tv_usec;
  32                 usage->ru_stime.tv_sec = ru.ru_stime.tv_sec;
  33                 usage->ru_stime.tv_usec = ru.ru_stime.tv_usec;
  34                 memcpy(&usage->ru_maxrss, &ru.ru_maxrss,
  35                         sizeof(struct compat_rusage) -
  36                         offsetof(struct compat_rusage, ru_maxrss));
  37         }
  38         return r;
  39 }