riot_sys

Type Alias sock_tcp_cb_t

Source
pub type sock_tcp_cb_t = Option<unsafe extern "C" fn(sock: *mut sock_tcp_t, flags: sock_async_flags_t, arg: *mut c_void)>;
Expand description

@brief Event callback for @ref sock_tcp_t

@pre (sock != NULL)

@note Only applicable with @ref SOCK_HAS_ASYNC defined.

@param[in] sock The sock the event happened on @param[in] flags The event flags. Expected values are - @ref SOCK_ASYNC_CONN_RDY, - @ref SOCK_ASYNC_CONN_FIN, - @ref SOCK_ASYNC_MSG_RECV, - @ref SOCK_ASYNC_MSG_SENT, - @ref SOCK_ASYNC_PATH_PROP, or - a combination of them. @param[in] arg Argument provided when setting the callback using @ref sock_tcp_set_cb(). May be NULL.

Aliased Type§

enum sock_tcp_cb_t {
    None,
    Some(unsafe extern "C" fn(_: *mut sock_tcp, _: u8, _: *mut c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *mut sock_tcp, _: u8, _: *mut c_void))

Some value of type T.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes

Size for each variant:

  • None: 0 bytes
  • Some: 4 bytes