--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19692, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19696, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
+++ exited with 0 +++