malvin 0.2.4

Non-interactive research and coding agent
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

use std::path::Path;
use std::time::Duration;

use super::process_alive;

#[cfg(unix)]
fn note_fixture_orphan_affiliation(pid: u32, agent_pgid: Option<u32>) {
    let baseline = crate::acp::snapshot_pids();
    crate::acp::refresh_session_spawn_affiliation(agent_pgid, &baseline);
    if agent_pgid.is_some()
        && !crate::acp::unix_process_group_kill_targets::is_session_affiliated_pid(pid)
    {
        crate::acp::unix_process_group_kill_targets::note_session_affiliated_pid(pid);
    }
}

#[cfg(unix)]
fn orphan_pid_if_ready(path: &Path, agent_pgid: Option<u32>) -> Option<u32> {
    let text = std::fs::read_to_string(path).ok()?;
    let pid = text.trim().parse::<u32>().ok()?;
    if !process_alive(pid) {
        return None;
    }
    note_fixture_orphan_affiliation(pid, agent_pgid);
    Some(pid)
}

pub async fn read_orphan_pid(path: &Path, agent_pgid: Option<u32>) -> u32 {
    for _ in 0..50 {
        #[cfg(unix)]
        {
            let baseline = crate::acp::snapshot_pids();
            crate::acp::refresh_session_spawn_affiliation(agent_pgid, &baseline);
        }
        #[cfg(unix)]
        if let Some(pid) = orphan_pid_if_ready(path, agent_pgid) {
            return pid;
        }
        #[cfg(not(unix))]
        if let Ok(text) = std::fs::read_to_string(path) {
            if let Ok(pid) = text.trim().parse::<u32>() {
                if process_alive(pid) {
                    return pid;
                }
            }
        }
        tokio::time::sleep(Duration::from_millis(20)).await;
    }
    panic!(
        "orphan pid file not written or orphan not alive: {}",
        path.display()
    );
}