Function napi_ref_threadsafe_function 

pub unsafe extern "C" fn napi_ref_threadsafe_function(
    env: napi_env,
    func: napi_threadsafe_function,
) -> napi_status

Available on crate feature napi only.

Indicates that the event loop running on the main thread should not exit until the thread-safe function is destroyed.

Arguments

• env - Current running virtual machine context.

• func - The created thread-safe function.

Returns

• Returns the function execution status. [napi_ok] If the function executed successfully.

[napi_invalid_arg] If env or func is nullptr.

[napi_generic_failure] If ref thread-safe function failed.

Available since API-level: 10