--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29738, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29761, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29756, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
+++ exited with 0 +++