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clients/secret-agent: minor cleanup of child-watch-id for secret-agent

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The code was correct. But it's hard to follow when and whether
the child-watch-id was destroyed at the right time.

Instead, always let _auth_dialog_data_free() clear the signal handlers.
This commit is contained in:
Thomas Haller
2019-01-22 11:46:20 +01:00
parent 8b951afac9
commit d68bdce206
1 changed files with 12 additions and 8 deletions
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20
clients/common/nm-secret-agent-simple.c
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@@ -422,17 +422,21 @@ add_vpn_secrets (RequestData *request,
typedef struct {
GPid auth_dialog_pid;
char read_buf[5];
GString *auth_dialog_response;
RequestData *request;
GPtrArray *secrets;
guint child_watch_id;
GCancellable *cancellable;
gulong cancellable_id;
guint child_watch_id;
char read_buf[5];
} AuthDialogData;
static void
_auth_dialog_data_free (AuthDialogData *data)
{
nm_clear_g_signal_handler (data->cancellable, &data->cancellable_id);
g_clear_object (&data->cancellable);
nm_clear_g_source (&data->child_watch_id);
g_ptr_array_unref (data->secrets);
g_spawn_close_pid (data->auth_dialog_pid);
g_string_free (data->auth_dialog_response, TRUE);
@@ -453,7 +457,9 @@ _auth_dialog_exited (GPid pid, int status, gpointer user_data)
int i;
gs_free_error GError *error = NULL;
g_cancellable_disconnect (request->cancellable, data->cancellable_id);
data->child_watch_id = 0;
nm_clear_g_cancellable_disconnect (data->cancellable, &data->cancellable_id);
if (status != 0) {
g_set_error (&error, NM_SECRET_AGENT_ERROR, NM_SECRET_AGENT_ERROR_FAILED,
@@ -522,10 +528,7 @@ out:
static void
_request_cancelled (GObject *object, gpointer user_data)
{
AuthDialogData *data = user_data;
g_source_remove (data->child_watch_id);
_auth_dialog_data_free (data);
_auth_dialog_data_free (user_data);
}
static void
@@ -549,7 +552,8 @@ _auth_dialog_read_done (GObject *source_object,
/* Done reading. Let's wait for the auth dialog to exit so that we're able to collect the status.
* Remember we can be cancelled in between. */
data->child_watch_id = g_child_watch_add (data->auth_dialog_pid, _auth_dialog_exited, data);
data->cancellable_id = g_cancellable_connect (data->request->cancellable,
data->cancellable = g_object_ref (data->request->cancellable);
data->cancellable_id = g_cancellable_connect (data->cancellable,
G_CALLBACK (_request_cancelled), data, NULL);
break;
default: