typedef simgrid::s4u::ConditionVariable s4u_ConditionVariable;
typedef simgrid::s4u::Mutex s4u_Mutex;
typedef simgrid::s4u::Semaphore s4u_Semaphore;
typedef simgrid::s4u::ConditionVariable s4u_ConditionVariable;
typedef simgrid::s4u::Mutex s4u_Mutex;
typedef simgrid::s4u::Semaphore s4u_Semaphore;