Function SDL_GetAsyncIOSize

pub unsafe extern "C" fn SDL_GetAsyncIOSize(
    asyncio: *mut SDL_AsyncIO,
) -> i64 
Available on crate feature dep_sdl3 only.
Expand description

Use this function to get the size of the data stream in an SDL_AsyncIO.

This call is not asynchronous; it assumes that obtaining this info is a non-blocking operation in most reasonable cases.

§Parameters

  • asyncio: the SDL_AsyncIO to get the size of the data stream from.

§Return value

Returns the size of the data stream in the [SDL_IOStream] on success or a negative error code on failure; call [SDL_GetError()] for more information.

§Thread safety

It is safe to call this function from any thread.

§Availability

This function is available since SDL 3.2.0.