commit be9e90f

swc_window_get_pid
add api to query a window's client pid

 1@@ -26,6 +26,7 @@
 2 
 3 #include <stdbool.h>
 4 #include <stdint.h>
 5+#include <sys/types.h>
 6 
 7 #ifdef __cplusplus
 8 extern "C" {
 9@@ -320,6 +321,13 @@ void swc_window_set_geometry(struct swc_window *window, const struct swc_rectang
10  */
11 bool swc_window_get_geometry(const struct swc_window *window, struct swc_rectangle *geometry);
12 
13+/**
14+ * Get the pid of the client that owns this window
15+ *
16+ * returns pid, or 0 if unavailable
17+ */
18+pid_t swc_window_get_pid(struct swc_window *window);
19+
20 /**
21  * Set the window's border color and width.
22  *

 1@@ -27,12 +27,14 @@
 2 #include "internal.h"
 3 #include "keyboard.h"
 4 #include "seat.h"
 5+#include "surface.h"
 6 #include "swc.h"
 7 #include "util.h"
 8 #include "view.h"
 9 
10 #include <stdlib.h>
11 #include <string.h>
12+#include <sys/types.h>
13 
14 #define INTERNAL(w) ((struct window *)(w))
15 
16@@ -519,3 +521,26 @@ window_begin_resize(struct window *window, uint32_t edges, struct button *button
17 	window->resize.offset.y = geometry->y - py + ((edges & SWC_WINDOW_EDGE_BOTTOM) ? geometry->height : 0);
18 	window->resize.edges = edges;
19 }
20+
21+EXPORT pid_t
22+swc_window_get_pid(struct swc_window *base)
23+{
24+	struct window *window = INTERNAL(base);
25+	struct surface *surface;
26+	struct wl_client *client;
27+	pid_t pid;
28+	uid_t uid;
29+	gid_t gid;
30+
31+	if (!window || !window->view || !window->view->surface)
32+		return 0;
33+
34+	surface = window->view->surface;
35+	if (!surface->resource)
36+		return 0;
37+
38+	client = wl_resource_get_client(surface->resource);
39+	wl_client_get_credentials(client, &pid, &uid, &gid);
40+
41+	return pid;
42+}