strace.log

[pid 13467] --- SIGVTALRM {si_signo=SIGVTALRM, si_code=SI_TKILL, si_pid=13456, si_uid=1000} ---
[pid 13467] rt_sigreturn()              = -1 EINTR (Interrupted system call)
[pid 13467] recvmsg(9,  <unfinished ...>
[pid 13457] <... tgkill resumed> )      = 0
[pid 13457] poll([{fd=3, events=POLLIN}], 1, 100) = 0 (Timeout)
[pid 13457] tgkill(13456, 13467, SIGVTALRM <unfinished ...>
[pid 13467] <... recvmsg resumed> 0x7f72e6224bd0, 0) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid 13467] --- SIGVTALRM {si_signo=SIGVTALRM, si_code=SI_TKILL, si_pid=13456, si_uid=1000} ---
[pid 13467] rt_sigreturn()              = -1 EINTR (Interrupted system call)
[pid 13467] recvmsg(9,  <unfinished ...>
[pid 13457] <... tgkill resumed> )      = 0
[pid 13457] poll([{fd=3, events=POLLIN}], 1, 100) = 0 (Timeout)
[pid 13457] tgkill(13456, 13467, SIGVTALRM <unfinished ...>
[pid 13467] <... recvmsg resumed> 0x7f72e6224bd0, 0) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid 13467] --- SIGVTALRM {si_signo=SIGVTALRM, si_code=SI_TKILL, si_pid=13456, si_uid=1000} ---
[pid 13467] rt_sigreturn()              = -1 EINTR (Interrupted system call)
[pid 13467] recvmsg(9,  <unfinished ...>
[pid 13457] <... tgkill resumed> )      = 0
[pid 13457] poll([{fd=3, events=POLLIN}], 1, 100) = 0 (Timeout)
[pid 13457] tgkill(13456, 13467, SIGVTALRM <unfinished ...>
[pid 13467] <... recvmsg resumed> 0x7f72e6224bd0, 0) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid 13467] --- SIGVTALRM {si_signo=SIGVTALRM, si_code=SI_TKILL, si_pid=13456, si_uid=1000} ---
[pid 13467] rt_sigreturn()              = -1 EINTR (Interrupted system call)
[pid 13467] recvmsg(9,  <unfinished ...>
[pid 13457] <... tgkill resumed> )      = 0
[pid 13457] poll([{fd=3, events=POLLIN}], 1, 100) = 0 (Timeout)
[pid 13457] tgkill(13456, 13467, SIGVTALRM <unfinished ...>
[pid 13467] <... recvmsg resumed> 0x7f72e6224bd0, 0) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid 13467] --- SIGVTALRM {si_signo=SIGVTALRM, si_code=SI_TKILL, si_pid=13456, si_uid=1000} ---
[pid 13467] rt_sigreturn()              = -1 EINTR (Interrupted system call)
[pid 13467] recvmsg(9,  <unfinished ...>
[pid 13457] <... tgkill resumed> )      = 0
[pid 13457] poll([{fd=3, events=POLLIN}], 1, 100) = 0 (Timeout)
[pid 13457] tgkill(13456, 13467, SIGVTALRM <unfinished ...>
[pid 13467] <... recvmsg resumed> 0x7f72e6224bd0, 0) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid 13467] --- SIGVTALRM {si_signo=SIGVTALRM, si_code=SI_TKILL, si_pid=13456, si_uid=1000} ---
[pid 13467] rt_sigreturn()              = -1 EINTR (Interrupted system call)
[pid 13467] recvmsg(9,  <unfinished ...>
[pid 13457] <... tgkill resumed> )      = 0
[pid 13457] poll([{fd=3, events=POLLIN}], 1, 100) = 0 (Timeout)
[pid 13457] tgkill(13456, 13467, SIGVTALRM <unfinished ...>
[pid 13467] <... recvmsg resumed> 0x7f72e6224bd0, 0) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)