Function libnghttp2_sys::nghttp2_session_set_stream_user_data

source · 
pub unsafe extern "C" fn nghttp2_session_set_stream_user_data(
    session: *mut nghttp2_session,
    stream_id: i32,
    stream_user_data: *mut c_void
) -> c_int
Expand description

@function

Sets the |stream_user_data| to the stream denoted by the |stream_id|. If a stream user data is already set to the stream, it is replaced with the |stream_user_data|. It is valid to specify NULL in the |stream_user_data|, which nullifies the associated data pointer.

It is valid to set the |stream_user_data| to the stream reserved by PUSH_PROMISE frame.

This function returns 0 if it succeeds, or one of following negative error codes:

:enum:NGHTTP2_ERR_INVALID_ARGUMENT The stream does not exist