--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13341, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
+++ exited with 0 +++