Create a new [`TaskStat`] from a [`AxTaskRef`].
(task: &TaskInner)
| 69 | impl TaskStat { |
| 70 | /// Create a new [`TaskStat`] from a [`AxTaskRef`]. |
| 71 | pub fn from_thread(task: &TaskInner) -> AxResult<Self> { |
| 72 | let thread = task.as_thread(); |
| 73 | let proc_data = &thread.proc_data; |
| 74 | let proc = &proc_data.proc; |
| 75 | |
| 76 | let pid = proc.pid(); |
| 77 | let comm = task.name(); |
| 78 | let comm = comm[..comm.len().min(16)].to_owned(); |
| 79 | let state = match task.state() { |
| 80 | TaskState::Running | TaskState::Ready => 'R', |
| 81 | TaskState::Blocked => 'S', |
| 82 | TaskState::Exited => 'Z', |
| 83 | }; |
| 84 | let ppid = proc.parent().map_or(0, |p| p.pid()); |
| 85 | let pgrp = proc.group().pgid(); |
| 86 | let session = proc.group().session().sid(); |
| 87 | Ok(Self { |
| 88 | pid, |
| 89 | comm: comm.to_owned(), |
| 90 | state, |
| 91 | ppid, |
| 92 | pgrp, |
| 93 | session, |
| 94 | num_threads: proc.threads().len() as u32, |
| 95 | exit_signal: proc_data.exit_signal.unwrap_or(Signo::SIGCHLD) as u8, |
| 96 | exit_code: proc.exit_code(), |
| 97 | ..Default::default() |
| 98 | }) |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | impl fmt::Display for TaskStat { |