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sys_set_tid_address: finish implementation

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Now CLONE_CHILD_CLEARTID has been implemented properly, we can finish
the implementation of `sys_set_tid_address`.
This commit is contained in:
Matthew Leach
2025-12-23 19:18:10 +00:00
committed by Ashwin Naren
parent 91c40c92ae
commit 88549fee5a
2 changed files with 7 additions and 7 deletions
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2
src/arch/arm64/exceptions/syscall.rs
View File

@@ -167,7 +167,7 @@ pub async fn handle_syscall() {
0x51 => sys_sync().await,
0x5d => sys_exit(arg1 as _).await,
0x5e => sys_exit_group(arg1 as _),
0x60 => sys_set_tid_address(VA::from_value(arg1 as _)).await,
0x60 => sys_set_tid_address(TUA::from_value(arg1 as _)),
0x62 => {
sys_futex(
TUA::from_value(arg1 as _),

12
src/process/threading/mod.rs
View File

@@ -4,17 +4,17 @@ use core::mem::size_of;
use crate::sched::current_task;
use libkernel::{
error::{KernelError, Result},
memory::address::{TUA, VA},
memory::address::TUA,
};
pub mod futex;
pub async fn sys_set_tid_address(_tidptr: VA) -> Result<usize> {
let tid = current_task().tid;
pub fn sys_set_tid_address(tidptr: TUA<u32>) -> Result<usize> {
let task = current_task();
// TODO: implement threading and this system call properly. For now, we just
// return the PID as the thread id.
Ok(tid.value() as _)
*task.child_tid_ptr.lock_save_irq() = Some(tidptr);
Ok(task.tid.value() as _)
}
#[repr(C)]