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Make the file lookup faster

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This commit is contained in:
Ruihan Li
2024-12-26 21:35:56 +08:00
committed by Tate, Hongliang Tian
parent fb8f493b43
commit b9ce3e64ad
59 changed files with 483 additions and 390 deletions
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18
kernel/src/process/posix_thread/thread_local.rs
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@ -2,10 +2,10 @@
use core::cell::{Cell, RefCell};
use ostd::{mm::Vaddr, task::CurrentTask};
use ostd::{mm::Vaddr, sync::RwArc, task::CurrentTask};
use super::RobustListHead;
use crate::process::signal::SigStack;
use crate::{fs::file_table::FileTable, process::signal::SigStack};
/// Local data for a POSIX thread.
pub struct ThreadLocal {
@ -18,6 +18,9 @@ pub struct ThreadLocal {
// https://man7.org/linux/man-pages/man2/get_robust_list.2.html
robust_list: RefCell<Option<RobustListHead>>,
// Files.
file_table: RefCell<RwArc<FileTable>>,
// Signal.
/// `ucontext` address for the signal handler.
// FIXME: This field may be removed. For glibc applications with RESTORER flag set, the
@ -28,11 +31,16 @@ pub struct ThreadLocal {
}
impl ThreadLocal {
pub(super) fn new(set_child_tid: Vaddr, clear_child_tid: Vaddr) -> Self {
pub(super) fn new(
set_child_tid: Vaddr,
clear_child_tid: Vaddr,
file_table: RwArc<FileTable>,
) -> Self {
Self {
set_child_tid: Cell::new(set_child_tid),
clear_child_tid: Cell::new(clear_child_tid),
robust_list: RefCell::new(None),
file_table: RefCell::new(file_table),
sig_context: Cell::new(None),
sig_stack: RefCell::new(None),
}
@ -50,6 +58,10 @@ impl ThreadLocal {
&self.robust_list
}
pub fn file_table(&self) -> &RefCell<RwArc<FileTable>> {
&self.file_table
}
pub fn sig_context(&self) -> &Cell<Option<Vaddr>> {
&self.sig_context
}