src/unistd/ualarm.c

   1 #define _GNU_SOURCE
   2 #include <unistd.h>
   3 #include <sys/time.h>
   4
   5 unsigned ualarm(unsigned value, unsigned interval)
   6 {
   7         struct itimerval it = {
   8                 .it_interval.tv_usec = interval,
   9                 .it_value.tv_usec = value
  10         };
  11         setitimer(ITIMER_REAL, &it, &it);
  12         return it.it_value.tv_sec*1000000 + it.it_value.tv_usec;
  13 }