diff options
Diffstat (limited to 'src/sdl.erl')
| -rw-r--r-- | src/sdl.erl | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/sdl.erl b/src/sdl.erl index 5fd965f..5391d32 100644 --- a/src/sdl.erl +++ b/src/sdl.erl @@ -21,6 +21,7 @@ -export([start_subsystems/1]). -export([stop_subsystems/1]). -export([is_started/1]). +-export([which_subsystems/0]). -type error() :: {error, string()}. -export_type([error/0]). @@ -64,4 +65,9 @@ stop_subsystems(Subsystems) -> -spec is_started(subsystem()) -> boolean(). is_started(Subsystem) -> esdl2:was_init([Subsystem]), + receive {'_nif_thread_ret_', Ret} -> Ret =:= [Subsystem] end. + +-spec which_subsystems() -> [subsystem()]. +which_subsystems() -> + esdl2:was_init([]), receive {'_nif_thread_ret_', Ret} -> Ret end. |