build-serialtest-qt5_5_1git-Debug$ strace ./serialtest 
execve("./serialtest", ["./serialtest"], [/* 78 vars */]) = 0
brk(0)                                  = 0x101d000
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) = 0x7fda0ecf4000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/data/opt/Qt/git/qt5/qtbase/lib/tls/x86_64/libQt5SerialPort.so.5", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/data/opt/Qt/git/qt5/qtbase/lib/tls/x86_64", 0x7ffcf01e0af0) = -1 ENOENT (No such file or directory)
open("/data/opt/Qt/git/qt5/qtbase/lib/tls/libQt5SerialPort.so.5", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/data/opt/Qt/git/qt5/qtbase/lib/tls", 0x7ffcf01e0af0) = -1 ENOENT (No such file or directory)
open("/data/opt/Qt/git/qt5/qtbase/lib/x86_64/libQt5SerialPort.so.5", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/data/opt/Qt/git/qt5/qtbase/lib/x86_64", 0x7ffcf01e0af0) = -1 ENOENT (No such file or directory)
open("/data/opt/Qt/git/qt5/qtbase/lib/libQt5SerialPort.so.5", O_RDONLY|O_CLOEXEC) = 3
read(3, "\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\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0775, st_size=1010344, ...}) = 0
mmap(NULL, 132672, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0ecd3000
mprotect(0x7fda0ecf1000, 4096, PROT_NONE) = 0
mmap(0x7fda0ecf2000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1e000) = 0x7fda0ecf2000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libQt5Core.so.5", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0K;\n\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0775, st_size=46517504, ...}) = 0
mmap(NULL, 6582360, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0e48c000
mmap(0x7fda0eac1000, 61440, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x634000) = 0x7fda0eac1000
mmap(0x7fda0ead0000, 12376, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0ead0000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=172276, ...}) = 0
mmap(NULL, 172276, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fda0eca8000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 \266\5\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=979056, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca7000
mmap(NULL, 3159040, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0e188000
mprotect(0x7fda0e26e000, 2093056, PROT_NONE) = 0
mmap(0x7fda0e46d000, 40960, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe5000) = 0x7fda0e46d000
mmap(0x7fda0e477000, 82944, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0e477000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260*\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=90080, ...}) = 0
mmap(NULL, 2185952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0df72000
mprotect(0x7fda0df88000, 2093056, PROT_NONE) = 0
mmap(0x7fda0e187000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fda0e187000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\37\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1840928, ...}) = 0
mmap(NULL, 3949248, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0dbad000
mprotect(0x7fda0dd68000, 2093056, PROT_NONE) = 0
mmap(0x7fda0df67000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ba000) = 0x7fda0df67000
mmap(0x7fda0df6d000, 17088, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0df6d000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0po\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=141574, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca6000
mmap(NULL, 2217264, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0d98f000
mprotect(0x7fda0d9a8000, 2093056, PROT_NONE) = 0
mmap(0x7fda0dba7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18000) = 0x7fda0dba7000
mmap(0x7fda0dba9000, 13616, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0dba9000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libz.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\36\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=100728, ...}) = 0
mmap(NULL, 2195784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0d776000
mprotect(0x7fda0d78e000, 2093056, PROT_NONE) = 0
mmap(0x7fda0d98d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x7fda0d98d000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libicui18n.so.52", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libicui18n.so.52", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 \256\t\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=2121040, ...}) = 0
mmap(NULL, 4219880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0d36f000
mprotect(0x7fda0d567000, 2097152, PROT_NONE) = 0
mmap(0x7fda0d767000, 57344, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f8000) = 0x7fda0d767000
mmap(0x7fda0d775000, 1000, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0d775000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libicuuc.so.52", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libicuuc.so.52", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0/\5\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1525776, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca5000
mmap(NULL, 3639856, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0cff6000
mprotect(0x7fda0d15a000, 2093056, PROT_NONE) = 0
mmap(0x7fda0d359000, 73728, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x163000) = 0x7fda0d359000
mmap(0x7fda0d36b000, 14896, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0d36b000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\16\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14664, ...}) = 0
mmap(NULL, 2109744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0cdf2000
mprotect(0x7fda0cdf5000, 2093056, PROT_NONE) = 0
mmap(0x7fda0cff4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fda0cff4000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libglib-2.0.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libglib-2.0.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\250\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1078368, ...}) = 0
mmap(NULL, 3175976, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0caea000
mprotect(0x7fda0cbf0000, 2093056, PROT_NONE) = 0
mmap(0x7fda0cdef000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x105000) = 0x7fda0cdef000
mmap(0x7fda0cdf1000, 1576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fda0cdf1000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P#\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=31792, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca4000
mmap(NULL, 2129016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0c8e2000
mprotect(0x7fda0c8e9000, 2093056, PROT_NONE) = 0
mmap(0x7fda0cae8000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fda0cae8000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20V\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1071552, ...}) = 0
mmap(NULL, 3166568, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0c5dc000
mprotect(0x7fda0c6e1000, 2093056, PROT_NONE) = 0
mmap(0x7fda0c8e0000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x104000) = 0x7fda0c8e0000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libicudata.so.52", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libicudata.so.52", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p\5\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=23512848, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca3000
mmap(NULL, 25608208, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0ad6f000
mprotect(0x7fda0c3db000, 2093056, PROT_NONE) = 0
mmap(0x7fda0c5da000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x166b000) = 0x7fda0c5da000
close(3)                                = 0
open("/data/opt/Qt/git/qt5/qtbase/lib/libpcre.so.3", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpcre.so.3", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\27\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=252032, ...}) = 0
mmap(NULL, 2347200, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fda0ab31000
mprotect(0x7fda0ab6e000, 2093056, PROT_NONE) = 0
mmap(0x7fda0ad6d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3c000) = 0x7fda0ad6d000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca2000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0eca1000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0ec9f000
arch_prctl(ARCH_SET_FS, 0x7fda0ec9f780) = 0
mprotect(0x7fda0df67000, 16384, PROT_READ) = 0
mprotect(0x7fda0ad6d000, 4096, PROT_READ) = 0
mprotect(0x7fda0c5da000, 4096, PROT_READ) = 0
mprotect(0x7fda0c8e0000, 4096, PROT_READ) = 0
mprotect(0x7fda0dba7000, 4096, PROT_READ) = 0
mprotect(0x7fda0cae8000, 4096, PROT_READ) = 0
mprotect(0x7fda0cdef000, 4096, PROT_READ) = 0
mprotect(0x7fda0cff4000, 4096, PROT_READ) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda0ec9e000
mprotect(0x7fda0e46d000, 32768, PROT_READ) = 0
mprotect(0x7fda0d359000, 69632, PROT_READ) = 0
mprotect(0x7fda0d767000, 53248, PROT_READ) = 0
mprotect(0x7fda0d98d000, 4096, PROT_READ) = 0
mprotect(0x7fda0eac1000, 53248, PROT_READ) = 0
mprotect(0x7fda0ecf2000, 4096, PROT_READ) = 0
mprotect(0x603000, 4096, PROT_READ)     = 0
mprotect(0x7fda0ecf6000, 4096, PROT_READ) = 0
munmap(0x7fda0eca8000, 172276)          = 0
set_tid_address(0x7fda0ec9fa50)         = 4584
set_robust_list(0x7fda0ec9fa60, 24)     = 0
futex(0x7ffcf01e1330, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, 7fda0ec9f780) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x7fda0d9959f0, [], SA_RESTORER|SA_SIGINFO, 0x7fda0d99f340}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7fda0d995a80, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fda0d99f340}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
brk(0)                                  = 0x101d000
brk(0x103e000)                          = 0x103e000
geteuid()                               = 1000
getuid()                                = 1000
futex(0x7fda0eacfaa8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
clock_getres(CLOCK_MONOTONIC, {0, 1})   = 0
open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=8720576, ...}) = 0
mmap(NULL, 8720576, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fda0a2df000
close(3)                                = 0
stat("/home/lf/.config/QtProject/qtlogging.ini", 0x7ffcf01e0f90) = -1 ENOENT (No such file or directory)
stat("/etc/xdg/xdg-ubuntu/QtProject/qtlogging.ini", 0x7ffcf01e0f90) = -1 ENOENT (No such file or directory)
stat("/usr/share/upstart/xdg/QtProject/qtlogging.ini", 0x7ffcf01e0f90) = -1 ENOENT (No such file or directory)
stat("/etc/xdg/QtProject/qtlogging.ini", 0x7ffcf01e0f90) = -1 ENOENT (No such file or directory)
eventfd2(0, O_NONBLOCK|O_CLOEXEC)       = 3
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
read(4, "\314\332\250\27", 4)           = 4
close(4)                                = 0
open("/dev/tty", O_RDONLY|O_CLOEXEC)    = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
close(4)                                = 0
write(2, "ERROR:  0\n", 10ERROR:  0
)             = 10
access("/var/lock", R_OK)               = 0
stat("/var/lock/LCK..ttyS0", {st_mode=S_IFREG|0644, st_size=21, ...}) = 0
uname({sys="Linux", node="xeon", ...})  = 0
open("/var/lock/LCK..ttyS0", O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0644) = -1 EEXIST (File exists)
open("/var/lock/LCK..ttyS0", O_RDONLY|O_CLOEXEC) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=21, ...}) = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=21, ...}) = 0
read(4, "4577\nserialtest\nxeon\n", 16384) = 21
read(4, "", 16363)                      = 0
close(4)                                = 0
uname({sys="Linux", node="xeon", ...})  = 0
kill(4577, SIG_0)                       = -1 ESRCH (No such process)
uname({sys="Linux", node="xeon", ...})  = 0
open("/var/lock/LCK..ttyS0.rmlock", O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
flock(4, LOCK_EX|LOCK_NB)               = 0
open("/tmp/serialtest.TJ4584", O_RDWR|O_CREAT|O_EXCL|O_CLOEXEC, 0600) = 5
fcntl(5, F_SETFD, FD_CLOEXEC)           = 0
flock(5, LOCK_EX|LOCK_NB)               = 0
fcntl(5, F_SETLK, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
lseek(5, 0, SEEK_SET)                   = 0
close(5)                                = 0
unlink("/tmp/serialtest.TJ4584")        = 0
fcntl(4, F_SETLK, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
write(4, "4584\nserialtest\nxeon\n", 21) = 21
open("/var/lock/LCK..ttyS0", O_RDONLY|O_CLOEXEC) = 5
fcntl(5, F_SETFD, FD_CLOEXEC)           = 0
fstat(5, {st_mode=S_IFREG|0644, st_size=21, ...}) = 0
fstat(5, {st_mode=S_IFREG|0644, st_size=21, ...}) = 0
read(5, "4577\nserialtest\nxeon\n", 16384) = 21
read(5, "", 16363)                      = 0
close(5)                                = 0
uname({sys="Linux", node="xeon", ...})  = 0
kill(4577, SIG_0)                       = -1 ESRCH (No such process)
open("/var/lock/LCK..ttyS0", O_WRONLY|O_CLOEXEC) = 5
fcntl(5, F_SETFD, FD_CLOEXEC)           = 0
flock(5, LOCK_EX|LOCK_NB)               = 0
fcntl(5, F_SETLK, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
unlink("/var/lock/LCK..ttyS0")          = 0
close(5)                                = 0
close(4)                                = 0
unlink("/var/lock/LCK..ttyS0.rmlock")   = 0
uname({sys="Linux", node="xeon", ...})  = 0
open("/var/lock/LCK..ttyS0", O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
flock(4, LOCK_EX|LOCK_NB)               = 0
fcntl(4, F_SETLK, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
write(4, "4584\nserialtest\nxeon\n", 21) = 21
open("/dev/ttyS0", O_RDWR|O_NOCTTY|O_NONBLOCK|O_CLOEXEC) = 5
fcntl(5, F_SETFD, FD_CLOEXEC)           = 0
ioctl(5, TIOCEXCL, 0x3)                 = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_START or SNDRV_TIMER_IOCTL_TREAD or TCSETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
ioctl(5, TIOCGSERIAL, 0x7ffcf01e1140)   = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_START or SNDRV_TIMER_IOCTL_TREAD or TCSETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_START or SNDRV_TIMER_IOCTL_TREAD or TCSETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_START or SNDRV_TIMER_IOCTL_TREAD or TCSETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_START or SNDRV_TIMER_IOCTL_TREAD or TCSETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_START or SNDRV_TIMER_IOCTL_TREAD or TCSETS, {B115200 -opost -isig -icanon -echo ...}) = 0
ioctl(5, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 -opost -isig -icanon -echo ...}) = 0
write(2, "serial port  \"/dev/ttyS0\"  opene"..., 34serial port  "/dev/ttyS0"  opened
) = 34
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 0) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "hello\r\n", 7)                = 7
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 475) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\3\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 475) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 475) = 0 (Timeout)
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 473) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 473) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 473) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 473) = 0 (Timeout)
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 474) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 474) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 474) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 474) = 1 ([{fd=5, revents=POLLIN}])
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 248) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 96) = 0 (Timeout)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 486) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 486) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 485) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 485) = 1 ([{fd=5, revents=POLLIN}])
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 435) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 278) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 142) = 0 (Timeout)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 500) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 500) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 500) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 500) = 0 (Timeout)
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 498) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 498) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 498) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 498) = 1 ([{fd=5, revents=POLLIN}])
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 341) = 0 (Timeout)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 1 ([{fd=5, revents=POLLIN}])
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 343) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 311) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 278) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 249) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 219) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 188) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 160) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 129) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 100) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 68) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 37) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 8) = 0 (Timeout)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 500) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 500) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 1 ([{fd=5, revents=POLLIN}])
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 474) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 446) = 1 ([{fd=5, revents=POLLIN}])
read(5, "a", 512)                       = 1
write(2, "bytes:  1\n", 10bytes:  1
)             = 10
write(2, "data:  \"a\"\n", 11data:  "a"
)          = 11
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 416) = 0 (Timeout)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 0 (Timeout)
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 499) = 0 (Timeout)
read(3, 0x7ffcf01e1080, 16)             = -1 EAGAIN (Resource temporarily unavailable)
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
write(5, "tick\r\n", 6)                 = 6
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}, {fd=5, events=POLLOUT}], 3, 499) = 2 ([{fd=3, revents=POLLIN}, {fd=5, revents=POLLOUT}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
write(3, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 498) = 1 ([{fd=3, revents=POLLIN}])
read(3, "\1\0\0\0\0\0\0\0", 16)         = 8
poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 498^CProcess 4584 detached
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