From 8edbe400b694a5c80df462ca2d86100744a64c5d Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Date: Sat, 25 Oct 2025 14:14:57 +0300
Subject: [PATCH] ps: Properly implement `-d` flag

---
 src/uu/ps/src/collector.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/uu/ps/src/collector.rs b/src/uu/ps/src/collector.rs
index 2649a41..bd96c53 100644
--- a/src/uu/ps/src/collector.rs
+++ b/src/uu/ps/src/collector.rs
@@ -85,9 +85,14 @@ pub(crate) fn session_collector(
     let tty = |proc: &Rc<RefCell<ProcessInformation>>| proc.borrow_mut().tty();
 
     // flag `-d`
-    // TODO: Implementation this collection, guessing it pid=sid
     if matches.get_flag("d") {
-        proc_snapshot.iter().for_each(|_| {});
+        for proc_info in proc_snapshot {
+            let pid = proc_info.borrow().pid;
+
+            if getsid(pid as i32) != Some(pid as i32) {
+                result.push(proc_info.clone());
+            }
+        }
     }
 
     // flag `-a`