[syslog-ng] HUP does not work

[Balazs Scheidler]

On Thu, 2006-04-20 at 17:25 +0200, Lumir Unzeitig (DHL CZ) wrote:
> Piece of command output strace -s 256 -o /tmp/output-file -p 4893
> 
> 
> ---------------------------------------------
> poll([{fd=29, events=0}, {fd=17, events=0}, {fd=16, events=0}, {fd=18,
> events=0}, {fd=15, events=POLLOUT, revents=POLLOUT}, {fd=14, events=0},
> {fd=13, events=0}, {fd=4, events=POLLOUT, revents=POLLOUT}, {fd=12,
> events=POLLIN}, {fd=11, events=POLLIN}, {fd=10, events=POLLIN}, {fd=9,
> events=POLLIN}, {fd=8, events=POLLIN}, {fd=7, events=POLLIN}, {fd=6,
> events=POLLIN}, {fd=5, events=POLLIN}, {fd=3, events=POLLIN}], 17, 100)
> = 2
> recv(15, 0xbfffaf7b, 1, MSG_PEEK|MSG_DONTWAIT) = -1 ENOTSOCK (Socket
> operation on non-socket)
> write(15, "Apr 20 16:56:38 czchols020 sendmail[13901]: k3KEuWpW013859:
> to=<mrk at erwerwerwwer.com>, delay=00:00:04, xdelay=00:00:03,
> mailer=esmtp, pri=88225, relay=mrucontsv00001.mru-co.mu.asdasda.cz.
> [152.141.145.16], dsn=2.0.0, stat=Sent
> (mrucontsv00001.mru-co.mu.uuuu"..., 293) = 293
> recv(4, 0xbfffaf7b, 1, MSG_PEEK|MSG_DONTWAIT) = -1 ENOTSOCK (Socket
> operation on non-socket)
> write(4, "Apr 20 16:56:38 czchols020 sendmail[13901]: k3KEuWpW013859:
> to=< mrk at erwerwerwwer.com >, delay=00:00:04, xdelay=00:00:03,
> mailer=esmtp, pri=88225, relay=mrucontsv00001.mru-co.mu.asdasda.cz.
> [152.141.145.16], dsn=2.0.0, stat=Sent
> (mrucontsv00001.mru-co.mu.uuuu"..., 293) = 293
> time(NULL)                              = 1145544998
> poll([{fd=29, events=0}, {fd=17, events=0}, {fd=16, events=0}, {fd=18,
> events=0}, {fd=15, events=0}, {fd=14, events=0}, {fd=13, events=0},
> {fd=4, events=0}, {fd=12, events=POLLIN, revents=POLLIN}, {fd=11,
> events=POLLIN}, {fd=10, events=POLLIN}, {fd=9, events=POLLIN}, {fd=8,
> events=POLLIN}, {fd=7, events=POLLIN}, {fd=6, events=POLLIN}, {fd=5,
> events=POLLIN}, {fd=3, events=POLLIN}], 17, 100) = 1
> recvfrom(12, "<22>sendmail[13954]: k3KEub8A013945:
> to=<werwerw at asdasdasd.cz>, delay=00:00:00, xdelay=00:00:00,
> mailer=relay, pri=43032, relay=smtp-out-vip.asdasda.cz [85.72.196.13],
> dsn=2.0.0, stat=Sent (OK - Data received)\n", 2048, 0,
> {sa_family=AF_INET, sin_port=htons(514),
> sin_addr=inet_addr("2.252.103.89")}, [16]) = 215
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> poll([{fd=29, events=0}, {fd=17, events=0}, {fd=16, events=0}, {fd=18,
> events=0}, {fd=15, events=POLLOUT, revents=POLLOUT}, {fd=14, events=0},
> {fd=13, events=0}, {fd=4, events=POLLOUT, revents=POLLOUT}, {fd=12,
> events=POLLIN}, {fd=11, events=POLLIN}, {fd=10, events=POLLIN}, {fd=9,
> events=POLLIN}, {fd=8, events=POLLIN}, {fd=7, events=POLLIN}, {fd=6,
> events=POLLIN}, {fd=5, events=POLLIN}, {fd=3, events=POLLIN}], 17, 100)
> = 2
> recv(15, 0xbfffaf7b, 1, MSG_PEEK|MSG_DONTWAIT) = -1 ENOTSOCK (Socket
> operation on non-socket)
> write(15, "Apr 20 16:56:38 czchols020 sendmail[13954]: k3KEub8A013945:
> to=<rrr at rrrr.co.uk>, delay=00:00:00, xdelay=00:00:00, mailer=relay,
> pri=43032, relay=smtp-out-vip.asdasda.cz [85.72.196.13], dsn=2.0.0,
> stat=Sent (OK - Data received)\n", 238) = 238
> recv(4, 0xbfffaf7b, 1, MSG_PEEK|MSG_DONTWAIT) = -1 ENOTSOCK (Socket
> operation on non-socket)
> write(4, "Apr 20 16:56:38 czchols020 sendmail[13954]: k3KEub8A013945:
> to=<sarah.queen at city-link.co.uk>, delay=00:00:00, xdelay=00:00:00,
> mailer=relay, pri=43032, relay=smtp-out-vip.asdasda.cz [85.72.196.13],
> dsn=2.0.0, stat=Sent (OK - Data received)\n", 238) = 238
> time(NULL)                              = 1145544998
> poll([{fd=29, events=0}, {fd=17, events=0}, {fd=16, events=0}, {fd=18,
> events=0}, {fd=15, events=0}, {fd=14, events=0}, {fd=13, events=0},
> {fd=4, events=0}, {fd=12, events=POLLIN}, {fd=11, events=POLLIN},
> {fd=10, events=POLLIN}, {fd=9, events=POLLIN}, {fd=8, events=POLLIN},
> {fd=7, events=POLLIN}, {fd=6, events=POLLIN}, {fd=5, events=POLLIN},
> {fd=3, events=POLLIN}], 17, 100) = -1 EINTR (Interrupted system call)
> --- SIGHUP (Hangup) @ 0 (0) ---
> rt_sigaction(SIGHUP, {0x804a7b0, [HUP], SA_RESTORER|SA_RESTART,
> 0xaa20d8}, {0x804a7b0, [HUP], SA_RESTORER|SA_RESTART, 0xaa20d8}, 8) = 0
> sigreturn()                             = ? (mask now [])
> open("/etc/resolv.conf", O_RDONLY)      = 19
> fstat64(19, {st_mode=S_IFREG|0644, st_size=52, ...}) = 0
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
> 0) = 0xb75e3000
> read(19, "search prg-dc.asdasda.cz asdasda.cz\n\nnameserver
> 127.0.0.1\n", 1024) = 52
> read(19, "", 1024)                      = 0
> close(19)                               = 0
> munmap(0xb75e3000, 4096)                = 0
> write(2, "SIGHUP received, restarting syslog-ng\n", 38) = 38
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> poll([{fd=29, events=0}, {fd=17, events=0}, {fd=16, events=0}, {fd=18,
> events=0}, {fd=15, events=0}, {fd=14, events=0}, {fd=13, events=0},
> {fd=4, events=0}, {fd=12, events=POLLIN, revents=POLLIN}, {fd=11,
> events=POLLIN}, {fd=10, events=POLLIN}, {fd=9, events=POLLIN}, {fd=8,
> events=POLLIN}, {fd=7, events=POLLIN}, {fd=6, events=POLLIN}, {fd=5,
> events=POLLIN}, {fd=3, events=POLLIN}], 17, 100) = 1
> recvfrom(12, "<22>sendmail[13950]: k3KEucD1013950:
> from=<gematracing at asdasda.cz>, size=747, class=0, nrcpts=1,
> msgid=<5228949.1145544998753.JavaMail.weblogic at czhs0119.prg-dc.asdasda.c
> z>, proto=ESMTP, daemon=MTA, relay=localhost.localdomain [127.0.0.1]\n",
> 2048, 0, {sa_family=AF_INET, sin_port=htons(514),
> sin_addr=inet_addr("2.252.103.89")}, [16]) = 232
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998
> time(NULL)                              = 1145544998

And after this point? What happens here? Syslog-ng got the HUP signal,
received the message but the part what happens afterwards is missing.

-- 
Bazsi