//go:cgo_import_dynamic pthread_get_stackaddr_np pthread_get_stackaddr_np ""
//go:cgo_import_dynamic pthread_get_stacksize_np pthread_get_stacksize_np ""
//go:cgo_import_dynamic pthread_getspecific pthread_getspecific ""
//go:cgo_import_dynamic pthread_introspection_hook_install pthread_introspection_hook_install ""
//go:cgo_import_dynamic pthread_join pthread_join ""
//go:cgo_import_dynamic pthread_self pthread_self ""

//go:cgo_import_dynamic pthread_get_stackaddr_np pthread_get_stackaddr_np ""
//go:cgo_import_dynamic pthread_get_stacksize_np pthread_get_stacksize_np ""
//go:cgo_import_dynamic pthread_getspecific pthread_getspecific ""
//go:cgo_import_dynamic pthread_introspection_hook_install pthread_introspection_hook_install ""
//go:cgo_import_dynamic pthread_join pthread_join ""
//go:cgo_import_dynamic pthread_self pthread_self ""

        static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_));
    if (holder != NULL) {
      return CheckedDowncastToActualType<ValueHolder>(holder)->pointer();
    }

    ValueHolder* const new_holder = new ValueHolder(default_);
    ThreadLocalValueHolderBase* const holder_base = new_holder;
    GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base));
    return new_holder->pointer();
  }

        static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_));
    if (holder != NULL) {
      return CheckedDowncastToActualType<ValueHolder>(holder)->pointer();
    }

    ValueHolder* const new_holder = new ValueHolder(default_);
    ThreadLocalValueHolderBase* const holder_base = new_holder;
    GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base));
    return new_holder->pointer();
  }

			fatalf("tlsg offset wrong, got %ld want %ld\n", *tlsg, off);
		}
		return;
	}

	err = pthread_key_create(&k, nil);
	if(err != 0) {
		fatalf("pthread_key_create failed: %d", err);
	}
	pthread_setspecific(k, (void*)magic1);
	// If thread local slots are laid out as we expect, our magic word will
	// be located at some low offset from tlsbase. However, just in case something went

}
func pthread_setspecific_trampoline()

//go:cgo_import_dynamic libc_pthread_key_create pthread_key_create "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_pthread_setspecific pthread_setspecific "/usr/lib/libSystem.B.dylib"

// tlsinit allocates a thread-local storage slot for g.
//
// It finds the first available slot using pthread_key_create and uses
// it as the offset value for runtime.tlsg.
//

		subThread = C.pthread_self()
		// Register a pthread destructor so we can tell this
		// thread has exited.
		var key C.pthread_key_t
		C.pthread_key_create(&key, (*[0]byte)(unsafe.Pointer(C.setExited)))
		C.pthread_setspecific(key, unsafe.Pointer(new(int)))
		ready <- true
		// Exit with the thread locked.
	}()
	<-ready
	for {
		time.Sleep(1 * time.Millisecond)
		// Check that this goroutine is running on a different thread.

	// when a C thread exits after a cgo call.
	// We only invoke this function once per thread in runtime.needAndBindM,
	// and the next calls just reuse the bound m.
	pthread_setspecific(pthread_g, g);
}

void
x_cgo_notify_runtime_init_done(void* dummy __attribute__ ((unused))) {
	pthread_mutex_lock(&runtime_init_mu);
	__atomic_store_n(&runtime_init_done, 1, __ATOMIC_RELEASE);