root@gilsvr:/etc/duplicati
$ ps -elf|grep -i duplic
4 S root 39419 1 0 99 19 - 72097 futex_ 12:26 ? 00:00:00 DuplicatiServer /usr/lib/duplicati/Duplicati.Server.exe
4 S root 39424 39419 32 99 19 - 716858 futex_ 12:26 ? 02:08:54 /usr/bin/mono-sgen /usr/lib/duplicati/Duplicati.Server.exe
0 S root 42893 37534 0 80 0 - 28203 pipe_w 19:02 pts/0 00:00:00 grep -E --color=auto -i duplic
root@gilsvr:/etc/duplicati
$ strace -p 39419
strace: Process 39419 attached
futex(0x1797718, FUTEX_WAIT_PRIVATE, 0, NULL^Cstrace: Process 39419 detached
<detached …>
root@gilsvr:/etc/duplicati
$ strace -p 39424
strace: Process 39424 attached
futex(0x161f624, FUTEX_WAIT_PRIVATE, 1, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
— SIGRT_3 {si_signo=SIGRT_3, si_code=SI_TKILL, si_pid=39424, si_uid=0} —
rt_sigprocmask(SIG_BLOCK, [RT_4], NULL, 8) = 0
futex(0xaa2ac0, FUTEX_WAKE_PRIVATE, 1) = 1
rt_sigsuspend(~[RTMIN RT_1 RT_4], 8) = ? ERESTARTNOHAND (To be restarted if no handler)
— SIGRT_4 {si_signo=SIGRT_4, si_code=SI_TKILL, si_pid=39424, si_uid=0} —
rt_sigreturn({mask=~[KILL STOP RTMIN RT_1]}) = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_UNBLOCK, [RT_4], NULL, 8) = 0
futex(0xaa2ac0, FUTEX_WAKE_PRIVATE, 1) = 1
rt_sigreturn({mask=}) = 202
futex(0x161f624, FUTEX_WAIT_PRIVATE, 1, NULL