--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22437, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- +++ exited with 0 +++