# ./include/simgrid/simix.h (otherwise you will get a warning at compile time)
void process_suspend(smx_actor_t process) [[block]];
-int process_sleep(double duration) [[block]];
int execution_wait(simgrid::kernel::activity::ExecImpl* execution) [[block]];
int execution_waitany_for(simgrid::kernel::activity::ExecImpl** execs, size_t count, double timeout) [[block]];