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Replace old user space read/write with new APIs

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This commit is contained in:
Chen Chengjun
2024-08-09 16:11:43 +08:00
committed by Tate, Hongliang Tian
parent 7ade2fcb57
commit 75da7fd30e
82 changed files with 252 additions and 329 deletions
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5
kernel/aster-nix/src/syscall/pread64.rs
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: MPL-2.0
use super::SyscallReturn;
use crate::{fs::file_table::FileDesc, prelude::*, util::write_bytes_to_user};
use crate::{fs::file_table::FileDesc, prelude::*};
pub fn sys_pread64(
fd: FileDesc,
@ -33,7 +33,8 @@ pub fn sys_pread64(
let read_len = {
let mut buffer = vec![0u8; user_buf_len];
let read_len = file.read_at(offset as usize, &mut buffer)?;
write_bytes_to_user(user_buf_ptr, &mut VmReader::from(buffer.as_slice()))?;
CurrentUserSpace::get()
.write_bytes(user_buf_ptr, &mut VmReader::from(buffer.as_slice()))?;
read_len
};