minix/lib/libc/sys/getitimer.c

   1 #include <sys/cdefs.h>
   2 #include "namespace.h"
   3 #include <lib.h>
   4
   5 #include <string.h>
   6 #include <sys/time.h>
   7
   8 /*
   9  * This is the implementation for the function to
  10  * invoke the interval timer retrieval system call.
  11  */
  12 int getitimer(int which, struct itimerval *value)
  13 {
  14   message m;
  15
  16   memset(&m, 0, sizeof(m));
  17   m.m_lc_pm_itimer.which = which;
  18   m.m_lc_pm_itimer.value = 0;           /* only retrieve the timer */
  19   m.m_lc_pm_itimer.ovalue = (vir_bytes)value;
  20
  21   return _syscall(PM_PROC_NR, PM_ITIMER, &m);
  22 }
  23
  24 #if defined(__minix) && defined(__weak_alias)
  25 __weak_alias(getitimer, __getitimer50)
  26 #endif