static void emutls_exit(void) {
if (emutls_mutex) {
DeleteCriticalSection(emutls_mutex);
_aligned_free(emutls_mutex);
emutls_mutex = NULL;
}
if (emutls_tls_index != TLS_OUT_OF_INDEXES) {
emutls_shutdown((emutls_address_array*)TlsGetValue(emutls_tls_index));
TlsFree(emutls_tls_index);
emutls_tls_index = TLS_OUT_OF_INDEXES;
}
}
static void emutls_key_destructor(void *ptr) {
emutls_address_array *array = (emutls_address_array *)ptr;
if (array->skip_destructor_rounds > 0) {
// emutls is deallocated using a pthread key destructor. These
// destructors are called in several rounds to accommodate destructor
// functions that (re)initialize key values with pthread_setspecific.
// Delay the emutls deallocation to accommodate other end-of-thread
// cleanup tasks like calling thread_local destructors (e.g. the
// __cxa_thread_atexit fallback in libc++abi).
array->skip_destructor_rounds--;
emutls_setspecific(array);
} else {
emutls_shutdown(array);
free(ptr);
}
}
static void emutls_key_destructor(void* ptr) {
emutls_shutdown((emutls_address_array*)ptr);
free(ptr);
}
