Function exit_robust_list

api/src/task.rs:127–153

(head: *const RobustListHead)

}

pub fn exit_robust_list(head: *const RobustListHead) -> AxResult<()> {
    // Reference: https://elixir.bootlin.com/linux/v6.13.6/source/kernel/futex/core.c#L777

    let mut limit = ROBUST_LIST_LIMIT;

    let end_ptr = unsafe { &raw const (*head).list };
    let head = head.vm_read()?;
    let mut entry = head.list.next;
    let offset = head.futex_offset;
    let pending = head.list_op_pending;

    while !core::ptr::eq(entry, end_ptr) {
        let next_entry = entry.vm_read()?.next;
        if entry != pending {
            handle_futex_death(entry, offset)?;
        }
        entry = next_entry;

        limit -= 1;
        if limit == 0 {
            return Err(AxError::FilesystemLoop);
        }
        axtask::yield_now();
    }

    Ok(())
}

pub fn do_exit(exit_code: i32, group_exit: bool) {
    let curr = current();