Function aeron_fragment_assembler_delete_session_buffer 

pub unsafe extern "C" fn aeron_fragment_assembler_delete_session_buffer(
    assembler: *mut aeron_fragment_assembler_t,
    session_id: i32,
) -> bool

Free an existing session buffer to reduce memory pressure when an image goes inactive or no more large messages are expected.

@param assembler holding the session buffer. @param session_id to have its buffer freed. @return true if a buffer has been freed otherwise false.