starry-process 0.4.0

Process management for Starry OS
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131

use std::{any::Any, sync::Arc};

use starry_process::init_proc;

mod common;
use common::ProcessExt;

#[test]
fn basic() {
    let init = init_proc();
    let group = init.group();
    let session = group.session();

    assert_eq!(group.pgid(), init.pid());
    assert_eq!(session.sid(), init.pid());

    let process_groups = session.process_groups();
    assert!(process_groups.iter().any(|p| Arc::ptr_eq(p, &group)));
}

#[test]
fn create() {
    let parent = init_proc();
    let group = parent.group();
    let session = group.session();

    let child = parent.new_child();
    let (child_session, child_group) = child.create_session().unwrap();

    assert_eq!(child_group.pgid(), child.pid());
    assert_eq!(child_session.sid(), child.pid());
    assert!(Arc::ptr_eq(&child_group, &child.group()));
    assert!(Arc::ptr_eq(&child_session, &child_group.session()));
    assert_eq!(child_group.processes().len(), 1);
    assert_eq!(child_session.process_groups().len(), 1);

    assert!(group.processes().iter().all(|p| !Arc::ptr_eq(p, &child)));
    assert!(
        session
            .process_groups()
            .iter()
            .all(|g| !Arc::ptr_eq(g, &child_group))
    );
}

#[test]
fn create_leader() {
    assert!(init_proc().create_session().is_none());
}

#[test]
fn cleanup() {
    let child = init_proc().new_child();
    let session = {
        let (session, _) = child.create_session().unwrap();
        Arc::downgrade(&session)
    };

    assert!(session.upgrade().is_some());
    child.exit();
    child.free();
    drop(child);
    assert!(session.upgrade().is_none());
}

#[test]
fn create_group() {
    let parent = init_proc();
    let group = parent.group();
    let session = group.session();

    let child = parent.new_child();
    let child_group = child.create_group().unwrap();

    assert!(Arc::ptr_eq(&child_group.session(), &session));

    assert!(
        session
            .process_groups()
            .iter()
            .any(|p| Arc::ptr_eq(p, &child_group))
    );
}

#[test]
fn move_to_different_session() {
    let parent = init_proc().new_child();
    let child = parent.new_child();

    let (session, group) = parent.create_session().unwrap();

    assert!(!Arc::ptr_eq(&group, &child.group()));
    assert!(!Arc::ptr_eq(&session, &child.group().session()));

    assert!(!child.move_to_group(&group));
}

#[test]
fn cleanup_groups() {
    let child = init_proc().new_child();
    let (session, _) = child.create_session().unwrap();

    child.exit();
    child.free();
    drop(child);

    assert!(session.process_groups().is_empty());
}

#[test]
fn terminal_set_unset() {
    let init = init_proc();
    let session = init.group().session();

    let term: Arc<dyn Any + Send + Sync> = Arc::new(0u32);

    let ok = session.set_terminal_with(|| term.clone());
    assert!(ok);

    let ok2 = session.set_terminal_with(|| Arc::new(1u32));
    assert!(!ok2);

    let got = session.terminal().unwrap();
    assert!(Arc::ptr_eq(&got, &term));

    let other: Arc<dyn Any + Send + Sync> = Arc::new(2u32);
    assert!(!session.unset_terminal(&other));

    assert!(session.unset_terminal(&term));
    assert!(session.terminal().is_none());
}