diff options
Diffstat (limited to 'runtime/transport/ring_buffer.c')
| -rw-r--r-- | runtime/transport/ring_buffer.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/runtime/transport/ring_buffer.c b/runtime/transport/ring_buffer.c index 418465c2..0b73d4b4 100644 --- a/runtime/transport/ring_buffer.c +++ b/runtime/transport/ring_buffer.c @@ -19,6 +19,7 @@ struct _stp_ring_buffer_data { }; struct _stp_relay_data_type { + enum _stp_transport_state transport_state; struct ring_buffer *rb; struct _stp_ring_buffer_data rb_data; cpumask_var_t trace_reader_cpumask; @@ -384,6 +385,7 @@ static int _stp_transport_data_fs_init(void) int rc; long cpu; + _stp_relay_data.transport_state = STP_TRANSPORT_STOPPED; _stp_relay_data.rb = NULL; // allocate buffer @@ -428,17 +430,22 @@ static int _stp_transport_data_fs_init(void) } dbug_trans(1, "returning 0...\n"); + _stp_relay_data.transport_state = STP_TRANSPORT_INITIALIZED; return 0; } static void _stp_transport_data_fs_start(void) { - /* Do nothing. */ + if (_stp_relay_data.transport_state == STP_TRANSPORT_INITIALIZED) { + _stp_relay_data.transport_state = STP_TRANSPORT_RUNNING; + } } static void _stp_transport_data_fs_stop(void) { - /* Do nothing. */ + if (_stp_relay_data.transport_state == STP_TRANSPORT_RUNNING) { + _stp_relay_data.transport_state = STP_TRANSPORT_STOPPED; + } } static void _stp_transport_data_fs_close(void) @@ -454,6 +461,11 @@ static void _stp_transport_data_fs_close(void) __stp_free_ring_buffer(); } +static enum _stp_transport_state _stp_transport_get_state(void) +{ + return _stp_relay_data.transport_state; +} + static void _stp_transport_data_fs_overwrite(int overwrite) { /* FIXME: Just a place holder for now. */ |