[PATCH] Set _NET_WM_PID attribute

---
 st.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/st.c b/st.c
index 91eb2cc..bbf27ec 100644
--- a/st.c
+++ b/st.c
_AT_@ -240,7 +240,7 @@ typedef struct {
 	Colourmap cmap;
 	Window win;
 	Drawable buf;
-	Atom xembed, wmdeletewin, netwmname;
+	Atom xembed, wmdeletewin, netwmname, netwmpid;
 	XIM xim;
 	XIC xic;
 	Draw draw;
_AT_@ -3027,6 +3027,12 @@ xinit(void) {
 	xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
 	XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 
+	if (!pid)
+		pid = getpid();
+	xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+	XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+			PropModeReplace, (unsigned char *)&pid, 1);
+
 	xresettitle();
 	XMapWindow(xw.dpy, xw.win);
 	xhints();
-- 
1.7.10.4
--AhhlLboLdkugWU4S--