From: Jonas Dreßler <verdre@v0yd.nl>
Date: Mon, 6 Apr 2020 18:28:00 +0000 (+0200)
Subject: shell-window-tracker: Detect invalid PID values of 0
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~684^2^2~520
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=4aee87a31b1f73ef6f5a7f3928e54d336bc37f02;p=gnome-shell.git

shell-window-tracker: Detect invalid PID values of 0

MetaWindows get_pid() API changed to use the client PID, which also
works for Wayland clients instead of only X11 clients now. This API
returns 0 instead of -1 for invalid PIDs, so update our check according
to that.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1184
---

diff --git a/src/shell-window-tracker.c b/src/shell-window-tracker.c
index 075cb2a16..99ed8270c 100644
--- a/src/shell-window-tracker.c
+++ b/src/shell-window-tracker.c
@@ -343,7 +343,7 @@ get_app_from_window_pid (ShellWindowTracker  *tracker,
 
   pid = meta_window_get_pid (window);
 
-  if (pid == -1)
+  if (pid < 1)
     return NULL;
 
   result = shell_window_tracker_get_app_from_pid (tracker, pid);