ObjFW  Diff

Differences From Artifact [493fa84215]:

• File src/threading.m — part of check-in [44f45c2e35] at 2017-01-09 17:36:36 on branch trunk — Update copyright

  Forgot to add 2017, even though I already did quite some changes in
  2017. (user: js, size: 2599) [annotate] [blame] [check-ins using]

To Artifact [df2361523e]:

• File src/threading.m — part of check-in [48ffea9a9a] at 2017-04-13 13:19:02 on branch trunk — Clean up memory barriers (user: js, size: 2594) [annotate] [blame] [check-ins using]

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#ifndef OF_HAVE_PTHREADS
void
of_once(of_once_t *control, void (*func)(void))
{
	if (of_atomic_int_cmpswap(control, 0, 1)) {
		func();

		of_memory_barrier_sync();

		of_atomic_int_inc(control);
	} else
		while (*control == 1)
			of_thread_yield();
}
#endif

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#ifndef OF_HAVE_PTHREADS
void
of_once(of_once_t *control, void (*func)(void))
{
	if (of_atomic_int_cmpswap(control, 0, 1)) {
		func();

		of_memory_barrier();

		of_atomic_int_inc(control);
	} else
		while (*control == 1)
			of_thread_yield();
}
#endif