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sched.c

#include <time.h>
#include <unistd.h>

#include "sched.h"

#define min(x, y) ((x) < (y)?(x) : (y))

void sleep_untill_next_event(sched_t *psched, int n_sched)
{
      time_t now = time(NULL);
      int loop;
      int sleep_n = now + 3600;

      for(loop=0; loop<n_sched; loop++)
      {
            time_t cur_next_schedule = psched[loop].last_run + psched[loop].interval;

            sleep_n = min(sleep_n, cur_next_schedule - now);
            if (sleep_n < 0)
                  sleep_n = 0;
      }

      if (sleep_n > 0)
            sleep(sleep_n);
}

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