find all running processes in Linux via rustix (WIP)

Cargo.toml

@@ -7,7 +7,9 @@ edition = "2021"
 
 [dependencies]
 netstat2 = "0.9.1"
+rustix = {version = "0.38.31", features = ["procfs", "fs"]}
 [target.'cfg(not(target_os = "windows"))'.dependencies]
 libproc = "0.14.2"
 [target.'cfg(target_os = "windows")'.dependencies]
-windows = { version = "0.53.0", features = ["Win32_Foundation", "Win32_System_Diagnostics_ToolHelp"] }
+windows = { version = "0.53.0", features = ["Win32_Foundation", "Win32_System_Diagnostics_ToolHelp"] }
+procfs = "0.16.0"

src/platform/linux.rs

@@ -1,3 +1,23 @@
+use std::path::Path;
+use std::str::FromStr;
+use rustix::fs::{OFlags, Mode};
+
+const ROOT: &str = "/proc";
+
 pub(crate) fn hi() {
-    println!("Hi from Linux");
+    // procfs::process::all_processes().unwrap();
+    let root = rustix::fs::openat(
+            rustix::fs::CWD,
+            Path::new(ROOT),
+            OFlags::RDONLY | OFlags::DIRECTORY | OFlags::CLOEXEC,
+            Mode::empty()
+        ).unwrap();
+    let dir = rustix::fs::Dir::read_from(root).unwrap();
+    for entry in dir {
+        if let Some(Ok(e)) = entry {
+            if let Ok(pid) = i32::from_str(&e.file_name().to_string_lossy()) {
+                Some(Process::new_with_root(self.root.join(pid.to_string())));
+            }
+        }
+    }
 }