From: Elan Ruusamäe <glen@delfi.ee>
Date: Wed, 20 Nov 2013 10:24:43 +0000 (+0200)
Subject: filter_ns: always add dead processes
X-Git-Tag: 0.4.10~12^2
X-Git-Url: http://git.pld-linux.org/?p=projects%2Frc-scripts.git;a=commitdiff_plain;h=8b9724602a75cb59611bfa43d88ba71f81588125

filter_ns: always add dead processes
---

diff --git a/lib/functions b/lib/functions
index f7af7def..56cab805 100644
--- a/lib/functions
+++ b/lib/functions
@@ -534,11 +534,17 @@ filter_ns() {
 	[ "$cur_ns" ] || return 1
 
 	local pid ns pids=""
+	# add pids if it matches current pid namespace
+	# we should add pids what do not exist (dead processes),
+	# but not add pids whose namespace does not match
+	# (processes belonging to different NS do exist in /proc)
 	for pid in "$@"; do
+		if [ ! -d /proc/$pid ]; then
+			pids="$pids $pid"
+			continue
+		fi
 		ns=$(resolvesymlink /proc/$pid/ns/pid)
-		# add if matches current pid namespace
-		# also add if empty ns found (for dead pids?) FIXME
-		if [ -z "$ns" -o "$ns" = "$cur_ns" ]; then
+		if [ "$ns" = "$cur_ns" ]; then
 			pids="$pids $pid"
 		fi
 	done