serial: don't run commands when there's already one in-progress

If there's already a command in-progress don't try to send
another until the previous one has timed out.  Also use
g_timeout_add_seconds() since precision doesn't really matter for
command timeouts.
This commit is contained in:
Dan Williams
2009-11-29 22:46:48 -08:00
parent 028c6a5e4e
commit d06f8f46c6

View File

@@ -479,9 +479,15 @@ mm_serial_port_schedule_queue_process (MMSerialPort *self)
MMSerialPortPrivate *priv = MM_SERIAL_PORT_GET_PRIVATE (self);
GSource *source;
if (priv->queue_schedule)
if (priv->timeout_id) {
/* A command is already in progress */
return;
}
if (priv->queue_schedule) {
/* Already scheduled */
return;
}
source = g_idle_source_new ();
g_source_set_closure (source, g_cclosure_new_object (G_CALLBACK (mm_serial_port_queue_process), G_OBJECT (self)));
@@ -568,7 +574,7 @@ mm_serial_port_queue_process (gpointer data)
if (mm_serial_port_send_command (self, info->command, &error)) {
GSource *source;
source = g_timeout_source_new (info->timeout);
source = g_timeout_source_new_seconds (info->timeout);
g_source_set_closure (source, g_cclosure_new_object (G_CALLBACK (mm_serial_port_timed_out), G_OBJECT (self)));
g_source_attach (source, NULL);
priv->timeout_id = g_source_get_id (source);
@@ -896,7 +902,7 @@ internal_queue_command (MMSerialPort *self,
info = g_slice_new0 (MMQueueData);
info->command = g_strdup (command);
info->cached = cached;
info->timeout = timeout_seconds * 1000;
info->timeout = timeout_seconds;
info->callback = callback;
info->user_data = user_data;