-@startuml\r
-\r
-hide footbox\r
-\r
-participant "E20 main thread" as main\r
-participant "tdm thread" as sub\r
-\r
-== an asynchronous event ==\r
-sub <-- : an asynchronous event\r
-activate sub\r
- sub -> sub: calling thread callbacks in tdm-thread\r
- activate sub\r
- deactivate sub\r
- main <-- sub: sending an asynchronous event\r
-deactivate sub\r
-activate main\r
-main -> main: calling thread callbacks in main-thread\r
-activate main\r
-deactivate main\r
-deactivate main\r
-\r
-== a synchronous event ==\r
-sub <-- : a synchronous event\r
-activate sub\r
- sub -> sub: calling thread callbacks in tdm-thread\r
- activate sub\r
- deactivate sub\r
- sub --> main: sending a synchronous event\r
- activate main\r
- sub -> sub: pthread_cond_wait\r
- activate sub\r
- main -> main: calling thread callbacks in main-thread\r
- activate main\r
- deactivate main\r
- main --> sub: pthread_cond_signal\r
- deactivate sub\r
- deactivate main\r
-deactivate sub\r
-\r
-@enduml\r
+@startuml
+
+hide footbox
+
+participant "E20 main thread" as main
+participant "tdm thread" as sub
+
+== an asynchronous event ==
+sub <-- : an asynchronous event
+activate sub
+sub -> sub: calling thread callbacks in tdm-thread
+activate sub
+deactivate sub
+main <-- sub: sending an asynchronous event
+deactivate sub
+activate main
+main -> main: calling thread callbacks in main-thread
+activate main
+deactivate main
+deactivate main
+
+== a synchronous event ==
+sub <-- : a synchronous event
+activate sub
+sub -> sub: calling thread callbacks in tdm-thread
+activate sub
+deactivate sub
+sub --> main: sending a synchronous event
+activate main
+sub -> sub: pthread_cond_wait
+activate sub
+main -> main: calling thread callbacks in main-thread
+activate main
+deactivate main
+main --> sub: pthread_cond_signal
+deactivate sub
+deactivate main
+deactivate sub
+
+@enduml