s4u::Exec::wait(): start the tasks on need

diff --git a/src/s4u/s4u_Exec.cpp b/src/s4u/s4u_Exec.cpp
index 5f1d222..c864b65 100644 (file)
--- a/src/s4u/s4u_Exec.cpp
+++ b/src/s4u/s4u_Exec.cpp
@@ -32,6 +32,8 @@ Activity* Exec::cancel()
 
 Activity* Exec::wait()
 {
+  if (state_ == State::INITED)
+    start();
   simcall_execution_wait(pimpl_);
   state_ = State::FINISHED;
   on_completion(Actor::self());