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#if defined(OF_HAVE_THREADS) && defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
# import "mutex.h"
#endif
void
of_once(of_once_t *control, void (*func)(void))
{
#if !defined(OF_HAVE_THREADS)
if (*control == 0) {
func();
*control = 1;
}
#elif defined(OF_HAVE_PTHREADS)
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#if defined(OF_HAVE_THREADS) && defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
# import "mutex.h"
#endif
void
OFOnce(OFOnceControl *control, void (*func)(void))
{
#if !defined(OF_HAVE_THREADS)
if (*control == 0) {
func();
*control = 1;
}
#elif defined(OF_HAVE_PTHREADS)
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Permit();
if (run) {
func();
*control = 2;
}
#else
# error No of_once available
#endif
}
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Permit();
if (run) {
func();
*control = 2;
}
#else
# error No OFOnce available
#endif
}
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