ENH: Resume all processes on SIGUSR1

src/CMakeLists.txt

@@ -4,7 +4,8 @@ pkg_check_modules (GLIB REQUIRED glib-2.0)
 pkg_check_modules (WNCK REQUIRED libwnck-3.0)
 
 add_definitions (-DWNCK_I_KNOW_THIS_IS_UNSTABLE
-                 -D_POSIX_SOURCE)
+                 -D_POSIX_SOURCE
+                 -D_DEFAULT_SOURCE)
 
 add_compile_options (${GLIB_CFLAGS} ${WNCK_CFLAGS})
 

src/xsuspender.c

@@ -150,6 +150,19 @@ xsus_window_suspend (WnckWindow *window)
 }
 
 
+void
+xsus_resume_all ()
+{
+    g_debug ("Resuming all windows ...");
+    GSList *l = suspended_entries;
+    while (l) {
+        WindowEntry *entry = l->data;
+        l = l->next;
+        xsus_signal_continue (entry);
+    }
+}
+
+
 int
 xsus_init ()
 {
@@ -174,6 +187,9 @@ xsus_init ()
 
     xsus_init_event_handlers ();
 
+    // Install SIGUSR1 signal handler that resumes all suspended processes
+    signal (SIGUSR1, xsus_resume_all);
+
     // Install exit signal handlers to exit gracefully
     signal (SIGINT,  xsus_exit);
     signal (SIGTERM, xsus_exit);
@@ -200,13 +216,7 @@ cleanup ()
     wnck_shutdown ();
 
     // Resume processes we have suspended; deallocate window entries
-    GSList *l = suspended_entries;
-    while (l) {
-        WindowEntry *entry = l->data;
-        l = l->next;
-        xsus_signal_continue (entry);
-    }
-
+    xsus_resume_all ();
     for (GSList *e = queued_entries; e; e = e->next)
         xsus_window_entry_free (e->data);
 

src/xsuspender.h

@@ -38,6 +38,7 @@ gboolean xsus_signal_continue (WindowEntry *entry);
 void     xsus_window_entry_enqueue (WindowEntry *entry, unsigned delay);
 void     xsus_window_suspend (WnckWindow *window);
 void     xsus_window_resume (WnckWindow *window);
+void     xsus_resume_all ();
 int      xsus_init ();
 void     xsus_exit ();