succeeding version, with -threaded execve("dist/build/optimum-server/optimum-server", ["dist/build/optimum-server/optimu"...], [/* 24 vars */]) = 0 brk(0) = 0x2163000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fcc000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 4 fstat(4, {st_mode=S_IFREG|0644, st_size=114822, ...}) = 0 mmap(NULL, 114822, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f3807faf000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libz.so.1", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\"\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=92752, ...}) = 0 mmap(NULL, 2187792, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3807b98000 mprotect(0x7f3807bae000, 2093056, PROT_NONE) = 0 mmap(0x7f3807dad000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x15000) = 0x7f3807dad000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/librt.so.1", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220!\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=31744, ...}) = 0 mmap(NULL, 2128848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3807990000 mprotect(0x7f3807997000, 2093056, PROT_NONE) = 0 mmap(0x7f3807b96000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x6000) = 0x7f3807b96000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libutil.so.1", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\16\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=10648, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fae000 mmap(NULL, 2105608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f380778d000 mprotect(0x7f380778f000, 2093056, PROT_NONE) = 0 mmap(0x7f380798e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x1000) = 0x7f380798e000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libdl.so.2", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=14696, ...}) = 0 mmap(NULL, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3807589000 mprotect(0x7f380758b000, 2097152, PROT_NONE) = 0 mmap(0x7f380778b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x2000) = 0x7f380778b000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/usr/lib/libgmp.so.10", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200\226\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=491440, ...}) = 0 mmap(NULL, 2586752, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3807311000 mprotect(0x7f3807380000, 2097152, PROT_NONE) = 0 mmap(0x7f3807580000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x6f000) = 0x7f3807580000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/usr/lib/libffi.so.5", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\30\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=30976, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fad000 mmap(NULL, 2127248, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3807109000 mprotect(0x7f3807110000, 2093056, PROT_NONE) = 0 mmap(0x7f380730f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x6000) = 0x7f380730f000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libm.so.6", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360>\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0644, st_size=534832, ...}) = 0 mmap(NULL, 2629864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3806e86000 mprotect(0x7f3806f08000, 2093056, PROT_NONE) = 0 mmap(0x7f3807107000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x81000) = 0x7f3807107000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libpthread.so.0", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360Y\0\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0755, st_size=135745, ...}) = 0 mmap(NULL, 2212736, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f3806c69000 mprotect(0x7f3806c81000, 2093056, PROT_NONE) = 0 mmap(0x7f3806e80000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x17000) = 0x7f3806e80000 mmap(0x7f3806e82000, 13184, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f3806e82000 close(4) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libc.so.6", O_RDONLY) = 4 read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\355\1\0\0\0\0\0"..., 832) = 832 fstat(4, {st_mode=S_IFREG|0755, st_size=1572232, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fac000 mmap(NULL, 3680296, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f38068e6000 mprotect(0x7f3806a60000, 2093056, PROT_NONE) = 0 mmap(0x7f3806c5f000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x179000) = 0x7f3806c5f000 mmap(0x7f3806c64000, 18472, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f3806c64000 close(4) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fab000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807faa000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fa9000 arch_prctl(ARCH_SET_FS, 0x7f3807faa700) = 0 mprotect(0x7f3806c5f000, 16384, PROT_READ) = 0 mprotect(0x7f3806e80000, 4096, PROT_READ) = 0 mprotect(0x7f3807107000, 4096, PROT_READ) = 0 mprotect(0x7f380730f000, 4096, PROT_READ) = 0 mprotect(0x7f3807580000, 4096, PROT_READ) = 0 mprotect(0x7f380778b000, 4096, PROT_READ) = 0 mprotect(0x7f380798e000, 4096, PROT_READ) = 0 mprotect(0x7f3807b96000, 4096, PROT_READ) = 0 mprotect(0x7f3807dad000, 4096, PROT_READ) = 0 mprotect(0x714000, 4096, PROT_READ) = 0 mprotect(0x7f3807fce000, 4096, PROT_READ) = 0 munmap(0x7f3807faf000, 114822) = 0 set_tid_address(0x7f3807faa9d0) = 23017 set_robust_list(0x7f3807faa9e0, 0x18) = 0 futex(0x7ffffbce834c, FUTEX_WAKE_PRIVATE, 1) = 0 futex(0x7ffffbce834c, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, 7f3807faa700) = -1 EAGAIN (Resource temporarily unavailable) rt_sigaction(SIGRTMIN, {0x7f3806c6e870, [], SA_RESTORER|SA_SIGINFO, 0x7f3806c788f0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {0x7f3806c6e900, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7f3806c788f0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 getrlimit(RLIMIT_STACK, {rlim_cur=8720000, rlim_max=RLIM_INFINITY}) = 0 brk(0) = 0x2163000 brk(0x2184000) = 0x2184000 open("/usr/lib/locale/locale-archive", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/share/locale/locale.alias", O_RDONLY) = 4 fstat(4, {st_mode=S_IFREG|0644, st_size=2570, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3807fcb000 read(4, "# Locale name alias data base.\n#"..., 4096) = 2570 read(4, "", 4096) = 0 close(4) = 0 munmap(0x7f3807fcb000, 4096) = 0 open("/usr/lib/locale/en_US.UTF-8/LC_CTYPE", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/lib/locale/en_US.utf8/LC_CTYPE", O_RDONLY) = 4 fstat(4, {st_mode=S_IFREG|0644, st_size=256324, ...}) = 0 mmap(NULL, 256324, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f3807f6a000 close(4) = 0 open("/usr/lib/gconv/gconv-modules.cache", O_RDONLY) = 4 fstat(4, {st_mode=S_IFREG|0644, st_size=26048, ...}) = 0 mmap(NULL, 26048, PROT_READ, MAP_SHARED, 4, 0) = 0x7f3807fc5000 close(4) = 0 futex(0x7f3806c63f60, FUTEX_WAKE_PRIVATE, 2147483647) = 0 clock_gettime(0x2 /* CLOCK_??? */, {0, 2757503}) = 0 mmap(NULL, 2097152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f38066e6000 munmap(0x7f38066e6000, 106496) = 0 munmap(0x7f3806800000, 942080) = 0 brk(0x21a6000) = 0x21a6000 timer_create(CLOCK_MONOTONIC, {(nil), SIGVTALRM, SIGEV_SIGNAL, {...}}, {0xfbce83e800000000}) = 0 rt_sigaction(SIGVTALRM, {0x4a15ac, [], SA_RESTORER|SA_RESTART, 0x7f3806c788f0}, NULL, 8) = 0 timer_settime(0, 0, {it_interval={0, 10000000}, it_value={0, 10000000}}, NULL) = 0 rt_sigaction(SIGINT, {0x4b3247, [], SA_RESTORER, 0x7f3806c788f0}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGINT, NULL, {0x4b3247, [], SA_RESTORER, 0x7f3806c788f0}, 8) = 0 rt_sigaction(SIGINT, {0x4b3247, [], SA_RESTORER, 0x7f3806919af0}, NULL, 8) = 0 rt_sigaction(SIGPIPE, {0x4b326f, [], SA_RESTORER, 0x7f3806c788f0}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGTSTP, {0x4b3278, [], SA_RESTORER, 0x7f3806c788f0}, NULL, 8) = 0 clock_gettime(0x3 /* CLOCK_??? */, {0, 3157404}) = 0 epoll_create(256) = 4 fcntl(4, F_SETFD, FD_CLOEXEC) = 0 pipe([5, 6]) = 0 fcntl(6, F_GETFL) = 0x1 (flags O_WRONLY) fcntl(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 fcntl(5, F_SETFD, FD_CLOEXEC) = 0 fcntl(6, F_SETFD, FD_CLOEXEC) = 0 clock_gettime(0x3 /* CLOCK_??? */, {0, 3364264}) = 0 mmap(NULL, 8720384, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3805eaf000 mprotect(0x7f3805eaf000, 4096, PROT_NONE) = 0 clone(child_stack=0x7f38066feff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f38066ff9d0, tls=0x7f38066ff700, child_tidptr=0x7f38066ff9d0) = 23018 futex(0x2189f18, FUTEX_WAKE_PRIVATE, 1) = 1 futex(0x720e48, FUTEX_WAKE_PRIVATE, 1) = 1 eventfd2(0, 0) = 7 fcntl(7, F_GETFL) = 0x2 (flags O_RDWR) fcntl(7, F_SETFL, O_RDWR|O_NONBLOCK) = 0 fcntl(7, F_SETFD, FD_CLOEXEC) = 0 epoll_ctl(4, EPOLL_CTL_ADD, 5, {EPOLLIN, {u32=5, u64=5}}) = 0 epoll_ctl(4, EPOLL_CTL_ADD, 7, {EPOLLIN, {u32=7, u64=7}}) = 0 futex(0x2189eec, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x2189ee8, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x2189f18, FUTEX_WAKE_PRIVATE, 1) = 1 futex(0x720e48, FUTEX_WAKE_PRIVATE, 1) = 1 clock_gettime(0x2 /* CLOCK_??? */, {0, 3707147}) = 0 futex(0x720e48, FUTEX_WAIT_PRIVATE, 2, NULL) = 0 futex(0x720e48, FUTEX_WAKE_PRIVATE, 1) = 0 rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 rt_sigaction(SIGINT, {0x4b2d1b, [], SA_RESTORER|SA_RESETHAND|SA_SIGINFO, 0x7f3806c788f0}, NULL, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon -echo ...}) = 0 select(2, [], [1], NULL, {0, 0}) = 1 (out [1], left {0, 0}) write(1, "hello\n", 6hello ) = 6 clock_gettime(0x3 /* CLOCK_??? */, {0, 3966004}) = 0 clock_gettime(0x2 /* CLOCK_??? */, {0, 4114023}) = 0 write(6, "\376", 1) = 1 futex(0x2189d8c, FUTEX_WAIT_PRIVATE, 1, NULL) = 0 futex(0x2189db8, FUTEX_WAKE_PRIVATE, 1) = 0 futex(0x218c19c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x218c198, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x218c1c8, FUTEX_WAKE_PRIVATE, 1) = 1 futex(0x720e48, FUTEX_WAKE_PRIVATE, 1) = 1 timer_settime(0, 0, {it_interval={0, 0}, it_value={0, 0}}, NULL) = 0 timer_delete(0) = 0 rt_sigprocmask(SIG_BLOCK, [TTOU], [], 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7f3806c788f0}, NULL, 8) = 0 rt_sigaction(SIGPIPE, {SIG_DFL, [], SA_RESTORER, 0x7f3806c788f0}, NULL, 8) = 0 rt_sigaction(SIGTSTP, {SIG_DFL, [], SA_RESTORER, 0x7f3806c788f0}, NULL, 8) = 0 clock_gettime(0x2 /* CLOCK_??? */, {0, 4313106}) = 0 exit_group(0) = ?