static
void free_static_icu_funcs (void)
{
- hb_unicode_funcs_destroy (static_icu_funcs);
+retry:
+ hb_unicode_funcs_t *icu_funcs = (hb_unicode_funcs_t *) hb_atomic_ptr_get (&static_icu_funcs);
+ if (!hb_atomic_ptr_cmpexch (&static_icu_funcs, icu_funcs, nullptr))
+ goto retry;
+
+ hb_unicode_funcs_destroy (icu_funcs);
}
#endif