[sysprof] libsysprof: process local task parsing on a thread

[Christian Hergert <chergert src gnome org>]

commit 5e368cede2c8754f9bd59c0815e6b62b948a94c2
Author: Christian Hergert <chergert redhat com>
Date:   Fri May 17 19:52:35 2019 -0700

    libsysprof: process local task parsing on a thread

 src/libsysprof/sysprof-helpers.c | 52 +++++++++++++++++++++++++++-------------
 1 file changed, 35 insertions(+), 17 deletions(-)
---
diff --git a/src/libsysprof/sysprof-helpers.c b/src/libsysprof/sysprof-helpers.c
index a29eb31..121ff47 100644
--- a/src/libsysprof/sysprof-helpers.c
+++ b/src/libsysprof/sysprof-helpers.c
@@ -107,6 +107,37 @@ fail_if_no_proxy (SysprofHelpers *self,
   return FALSE;
 }
 
+static void
+sysprof_helpers_list_processes_local_cb (GObject      *object,
+                                         GAsyncResult *result,
+                                         gpointer      user_data)
+{
+  g_autoptr(GTask) task = user_data;
+  g_autoptr(GError) error = NULL;
+  g_autofree gint32 *processes = NULL;
+  gsize n_processes = 0;
+
+  g_assert (G_IS_ASYNC_RESULT (result));
+  g_assert (G_IS_TASK (task));
+
+  if (helpers_list_processes_finish (result, &processes, &n_processes, &error))
+    {
+      g_autoptr(GVariant) ret = NULL;
+
+      ret = g_variant_new_fixed_array (G_VARIANT_TYPE_INT32,
+                                       processes,
+                                       n_processes,
+                                       sizeof (gint32));
+      g_task_return_pointer (task,
+                             g_variant_take_ref (g_steal_pointer (&ret)),
+                             (GDestroyNotify) g_variant_unref);
+
+      return;
+    }
+
+  g_task_return_error (task, g_steal_pointer (&error));
+}
+
 static void
 sysprof_helpers_list_processes_cb (IpcService   *service,
                                    GAsyncResult *result,
@@ -121,24 +152,11 @@ sysprof_helpers_list_processes_cb (IpcService   *service,
   g_assert (G_IS_TASK (task));
 
   if (!ipc_service_call_list_processes_finish (service, &processes, result, &error))
-    {
-      g_autofree gint32 *out_processes = NULL;
-      gsize out_n_processes = 0;
-
-      if (helpers_list_processes (&out_processes, &out_n_processes))
-        processes = g_variant_new_fixed_array (G_VARIANT_TYPE_INT32,
-                                               out_processes,
-                                               out_n_processes,
-                                               sizeof (gint32));
-    }
-
-  if (processes != NULL)
-    g_task_return_pointer (task, g_steal_pointer (&processes), (GDestroyNotify) g_variant_unref);
+    helpers_list_processes_async (g_task_get_cancellable (task),
+                                  sysprof_helpers_list_processes_local_cb,
+                                  g_object_ref (task));
   else
-    g_task_return_new_error (task,
-                             G_IO_ERROR,
-                             G_IO_ERROR_NOT_SUPPORTED,
-                             "Failed to list processes");
+    g_task_return_pointer (task, g_steal_pointer (&processes), (GDestroyNotify) g_variant_unref);
 }
 
 gboolean