[thirdparty/systemd.git] / man / journal-iterate-poll.c

#include <poll.h>
#include <systemd/sd-journal.h>

int wait_for_changes(sd_journal *j) {
  struct pollfd pollfd;
  int msec;

  sd_journal_get_timeout(m, &t);
  if (t == (uint64_t) -1)
    msec = -1;
  else {
    struct timespec ts;
    uint64_t n;
    clock_gettime(CLOCK_MONOTONIC, &ts);
    n = (uint64_t) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
    msec = t > n ? (int) ((t - n + 999) / 1000) : 0;
  }

  pollfd.fd = sd_journal_get_fd(j);
  pollfd.events = sd_journal_get_events(j);
  poll(&pollfd, 1, msec);
  return sd_journal_process(j);
}
Commit	Line	Data
929f5263 ZJS	1	#include <poll.h>
	2	#include <systemd/sd-journal.h>
	3
	4	int wait_for_changes(sd_journal *j) {
	5	struct pollfd pollfd;
	6	int msec;
	7
	8	sd_journal_get_timeout(m, &t);
	9	if (t == (uint64_t) -1)
	10	msec = -1;
	11	else {
	12	struct timespec ts;
	13	uint64_t n;
	14	clock_gettime(CLOCK_MONOTONIC, &ts);
	15	n = (uint64_t) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
	16	msec = t > n ? (int) ((t - n + 999) / 1000) : 0;
	17	}
	18
	19	pollfd.fd = sd_journal_get_fd(j);
	20	pollfd.events = sd_journal_get_events(j);
	21	poll(&pollfd, 1, msec);
	22	return sd_journal_process(j);
	23	}