asterinas/kernel/src/syscall/bind.rs

27 lines
698 B
Rust

// SPDX-License-Identifier: MPL-2.0
use super::SyscallReturn;
use crate::{
fs::file_table::{get_file_fast, FileDesc},
prelude::*,
util::net::read_socket_addr_from_user,
};
pub fn sys_bind(
sockfd: FileDesc,
sockaddr_ptr: Vaddr,
addrlen: u32,
ctx: &Context,
) -> Result<SyscallReturn> {
let socket_addr = read_socket_addr_from_user(sockaddr_ptr, addrlen as usize)?;
debug!("sockfd = {sockfd}, socket_addr = {socket_addr:?}");
let mut file_table = ctx.thread_local.borrow_file_table_mut();
let file = get_file_fast!(&mut file_table, sockfd);
let socket = file.as_socket_or_err()?;
socket.bind(socket_addr)?;
Ok(SyscallReturn::Return(0))
}