connect(5, {sa_family=AF_INET, sin_port=htons(443), sin_addr=inet_addr("xxx.xxx.xxx.xxx")}, 16) = 0
write(2, "DEBUG: .../IO/Socket/SSL.pm:626:"..., 50) = 50
write(2, "DEBUG: .../IO/Socket/SSL.pm:648:"..., 59) = 59
write(2, "DEBUG: .../IO/Socket/SSL.pm:681:"..., 73) = 73
write(2, "DEBUG: .../IO/Socket/SSL.pm:750:"..., 59) = 59
write(5, "\26\3\1\0\304\1\0\0\300\3\3\330\244`@\317nOS\365\211\236\367\1jW\232\224\227u\2\232"..., 201) = 201
read(5, "\26\3\3\0B\2\0", 7)            = 7
read(5, "\0>\3\3D\1\312\225\362\33'$S;\0362~m{\177\324\230\246\24\223\270\"Zx\273\207\331"..., 64) = 64
read(5, "\26\3\3\24q", 5)               = 5
read(5, "\v\0\24m\0\24j\0\4\2770\202\4\2730\202\3\243\240\3\2\1\2\2\20\20\263n\214j\232\263"..., 5233) = 1372
read(5, "\4\3\23%USERTrust RSA Certification "..., 3861) = 1448
read(5, "Trust AB1&0$\6\3U\4\v\23\35AddTrust Exte"..., 2413) = 1200
read(5, "\217\213\300nC}\303\241\200l\262\36\274S\205}\334\220\241\244\274-\357FrW5\5\277\273F\273"..., 1213) = 1213
stat("/usr/lib/ssl/certs/3e205b44.0", 0x7fffba55b620) = -1 ENOENT (No such file or directory)
stat("/usr/lib/ssl/certs/fc5a8f99.0", {st_mode=S_IFREG|0644, st_size=2094, ...}) = 0
open("/usr/lib/ssl/certs/fc5a8f99.0", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0644, st_size=2094, ...}) = 0
read(6, "-----BEGIN CERTIFICATE-----\nMIIF"..., 4096) = 2094
read(6, "", 4096)                       = 0
close(6)                                = 0
stat("/usr/lib/ssl/certs/fc5a8f99.1", 0x7fffba55b620) = -1 ENOENT (No such file or directory)
write(2, "DEBUG: .../IO/Socket/SSL.pm:2609"..., 240) = 240
write(2, "DEBUG: .../IO/Socket/SSL.pm:2609"..., 189) = 189
write(2, "DEBUG: .../IO/Socket/SSL.pm:2609"..., 154) = 154
write(2, "DEBUG: .../IO/Socket/SSL.pm:1679"..., 63) = 63
write(2, "DEBUG: .../IO/Socket/SSL.pm:1689"..., 114) = 114
read(5, "\26\3\3\1M", 5)                = 5
read(5, "\f\0\1I\3\0\27A\4\300@N\245jt\235\371\227\346\221\250\261\242H\36\f\321\323\235\n\316X"..., 333) = 230
read(5, 0x1b4596e, 103)                 = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
rt_sigreturn({mask=[]})                 = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGCHLD, NULL, {sa_handler=0x4a1a50, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f5c5131deb0}, 8) =
 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 13871
write(1, "proxy 13751 child 13871 terminat"..., 35) = 35
wait4(-1, 0x7fffba55b824, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigprocmask(SIG_BLOCK, [CHLD], [CHLD], 8) = 0
rt_sigaction(SIGCHLD, {sa_handler=0x4a1a50, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f5c5131deb0}, {sa_handle
r=0x4a1a50, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f5c5131deb0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [CHLD], NULL, 8) = 0
write(2, "DEBUG: .../IO/Socket/SSL.pm:753:"..., 65) = 65
write(2, "DEBUG: .../IO/Socket/SSL.pm:763:"..., 59) = 59
write(2, "DEBUG: ...5.22/IO/Socket.pm:48: "..., 134) = 134
write(2, "DEBUG: .../IO/Socket/SSL.pm:2777"..., 84) = 84
write(2, "DEBUG: .../IO/Socket/SSL.pm:2782"..., 61) = 61
write(2, "DEBUG: .../IO/Socket/SSL.pm:2789"..., 55) = 55
close(5)                                = 0
write(2, "proxy 13751 connect to server fa"..., 106) = 106
write(2, "proxy 13751 will retry\n", 23) = 23

##</code><code>##

$SIG{CHLD} = 'IGNORE';
#$SIG{CHLD} = \&reaper;
#my %children = ();
#sub reaper {
#    while( ( my $child = waitpid( -1, &WNOHANG ) ) > 0 ) {
#        print "proxy $$ child $child terminated\n";
#    }
#    $SIG{CHLD} = \&reaper;
#}