> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Spawning 1 workers
> [Jupiter:worker:(2) 0.000000] [s4u_test/INFO] Waiting on the barrier
> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Waiting on the barrier
-> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(2) 0.000000] [s4u_test/INFO] Bye
+> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Bye
$ ${bindir:=.}/s4u-synchro-barrier 3
> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Spawning 2 workers
> [Jupiter:worker:(2) 0.000000] [s4u_test/INFO] Waiting on the barrier
> [Jupiter:worker:(3) 0.000000] [s4u_test/INFO] Waiting on the barrier
> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Waiting on the barrier
-> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(2) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(3) 0.000000] [s4u_test/INFO] Bye
+> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Bye
$ ${bindir:=.}/s4u-synchro-barrier 10
> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Spawning 9 workers
> [Jupiter:worker:(9) 0.000000] [s4u_test/INFO] Waiting on the barrier
> [Jupiter:worker:(10) 0.000000] [s4u_test/INFO] Waiting on the barrier
> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Waiting on the barrier
-> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(2) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(3) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(4) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(8) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(9) 0.000000] [s4u_test/INFO] Bye
> [Jupiter:worker:(10) 0.000000] [s4u_test/INFO] Bye
+> [Tremblay:master:(1) 0.000000] [s4u_test/INFO] Bye