--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8127, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
+++ exited with 0 +++