root@generic_x86:/ # strace -f -p 3881
Process 3881 attached with 11 threads
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, NULL, NULL, 0 <unfinished ...>
[pid  3898] epoll_pwait(21,  <unfinished ...>
[pid  3893] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18) <unfinished ...>
[pid  3892] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18) <unfinished ...>
[pid  3891] futex(0xb40482a8, FUTEX_WAIT, 54, NULL <unfinished ...>
[pid  3890] futex(0xb40dcf98, FUTEX_WAIT, 8, NULL <unfinished ...>
[pid  3889] futex(0xb40dcfc8, FUTEX_WAIT, 8, NULL <unfinished ...>
[pid  3888] futex(0xb40dcfe8, FUTEX_WAIT, 8, NULL <unfinished ...>
[pid  3887] recvmsg(14,  <unfinished ...>
[pid  3886] rt_sigtimedwait([QUIT USR1], NULL, NULL, 8 <unfinished ...>
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1727, 181124312}) = 0
[pid  3881] epoll_pwait(13, {{EPOLLIN, {u32=26, u64=26}}}, 16, -1, NULL, 8) = 1
[pid  3881] recvfrom(26, "\2\0\0\0d\311\3\264`\5\0\0\t\0\20\0`\332\367\311\223\1\0\0\0\0\0\0\2\20\0\0"..., 2264, MSG_DONTWAIT, NULL, NULL) = 224
[pid  3881] write(27, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3899] <... ppoll resumed> )       = 1 ([{fd=27, revents=POLLIN}])
[pid  3881] <... write resumed> )       = 8
[pid  3899] read(27, "\1\0\0\0\0\0\0\0", 8) = 8
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 262079502}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, NULL, NULL, 0 <unfinished ...>
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1734, 262185004}) = 0
[pid  3881] write(27, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3899] <... ppoll resumed> )       = 1 ([{fd=27, revents=POLLIN}])
[pid  3881] <... write resumed> )       = 8
[pid  3899] read(27,  <unfinished ...>
[pid  3881] clock_gettime(CLOCK_MONOTONIC,  <unfinished ...>
[pid  3899] <... read resumed> "\1\0\0\0\0\0\0\0", 8) = 8
[pid  3881] <... clock_gettime resumed> {1734, 262889148}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC,  <unfinished ...>
[pid  3881] write(11, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3899] <... clock_gettime resumed> {1734, 263145771}) = 0
[pid  3881] <... write resumed> )       = 8
[pid  3899] write(27, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3881] write(11, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3899] <... write resumed> )       = 8
[pid  3881] <... write resumed> )       = 8
[pid  3899] faccessat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/qt-reserved-files/android-style/160//buttonStyle_View_background__pressed.png", F_OK <unfinished ...>
[pid  3881] sendto(26, "\3\0\0\0\0\0\0\0`\5\0\0\1\0\0\0", 16, MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0 <unfinished ...>
[pid  3899] <... faccessat resumed> )   = 0
[pid  3881] <... sendto resumed> )      = 16
[pid  3899] fstatat64(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/qt-reserved-files/android-style/160//buttonStyle_View_background__pressed.png",  <unfinished ...>
[pid  3881] recvfrom(26,  <unfinished ...>
[pid  3899] <... fstatat64 resumed> {st_mode=0, st_size=1, ...}, 0) = 0
[pid  3881] <... recvfrom resumed> 0xb4089810, 2264, 64, 0, 0) = -1 EAGAIN (Try again)
[pid  3899] openat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/qt-reserved-files/android-style/160//buttonStyle_View_background__pressed.png", O_RDONLY|O_LARGEFILE|O_CLOEXEC <unfinished ...>
[pid  3881] clock_gettime(CLOCK_MONOTONIC,  <unfinished ...>
[pid  3899] <... openat resumed> )      = 29
[pid  3881] <... clock_gettime resumed> {1734, 266510495}) = 0
[pid  3899] fstat64(29,  <unfinished ...>
[pid  3881] epoll_pwait(13,  <unfinished ...>
[pid  3899] <... fstat64 resumed> {st_mode=0, st_size=1, ...}) = 0
[pid  3881] <... epoll_pwait resumed> {{EPOLLIN, {u32=11, u64=11}}}, 16, 94, NULL, 8) = 1
[pid  3899] fstat64(29,  <unfinished ...>
[pid  3881] read(11,  <unfinished ...>
[pid  3899] <... fstat64 resumed> {st_mode=0, st_size=1, ...}) = 0
[pid  3881] <... read resumed> "\2\0\0\0\0\0\0\0", 8) = 8
[pid  3899] read(29,  <unfinished ...>
[pid  3881] clock_gettime(CLOCK_MONOTONIC,  <unfinished ...>
[pid  3899] <... read resumed> "\211PNG\r\n\32\n\0\0\0\rIHDR\0\0\0\32\0\0\0 \10\6\0\0\0\f\253h"..., 16384) = 241
[pid  3881] <... clock_gettime resumed> {1734, 268427565}) = 0
[pid  3899] read(29,  <unfinished ...>
[pid  3881] epoll_pwait(13,  <unfinished ...>
[pid  3899] <... read resumed> "", 16143) = 0
[pid  3899] lseek(29, 0, SEEK_SET)      = 0
[pid  3899] rt_sigprocmask(SIG_BLOCK, [], [QUIT USR1 PIPE], 8) = 0
[pid  3899] rt_sigprocmask(SIG_BLOCK, [], [QUIT USR1 PIPE], 8) = 0
[pid  3899] rt_sigprocmask(SIG_BLOCK, [], [QUIT USR1 PIPE], 8) = 0
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] close(29)                   = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 271463423}) = 0
[pid  3899] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18), 0xa233e958) = 0
[pid  3899] write(33, "&'\0\0\34\0\0\0\0\1\0\0\0\0\0\0\1\0\0\0\0\0\0(\17\0\0\0", 28) = 28
[pid  3899] read(33, "\0\0\0\0", 4)     = 4
[pid  3899] read(33, "\0\0\0 \16\0\0\0", 8) = 8
[pid  3899] write(33, "''\0\0000\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0@\1\0\0\310\1\0\0\10\31\0\0"..., 48) = 48
[pid  3899] read(33, "\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377"..., 583680) = 583680
[pid  3899] read(33, "\0\20\27\0\17\0\0\0", 8) = 8
[pid  3899] ioctl(32, _IOC(_IOC_READ|_IOC_WRITE, 0x47, 0x00, 0x10), 0xa233eb30) = 0
[pid  3899] ioctl(32, _IOC(_IOC_READ|_IOC_WRITE, 0x47, 0x02, 0x10), 0xa233eb30) = 0
[pid  3899] write(33, "2'\0\0<\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0@\1\0\0\310\1\0\0\10\31\0\0"..., 60) = 60
[pid  3899] read(33, "\0\0\0\0", 4)     = 4
[pid  3899] read(33, "\0\0\0 \20\0\0\0", 8) = 8
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 285978248}) = 0
[pid  3899] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18), 0xa233e948) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 287076465}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 287207818}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {29, 713000000}, NULL, 0) = 1 ([{fd=27, revents=POLLIN}], left {29, 712995737})
[pid  3899] read(27, "\1\0\0\0\0\0\0\0", 8) = 8
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 289213645}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 290066544}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 290164765}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {29, 710000000}, NULL, 0 <unfinished ...>
[pid  3893] <... ioctl resumed> , 0xa4590768) = 0
[pid  3893] futex(0xb40d5b90, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid  3893] write(10, "3893", 4)        = 4
[pid  3893] prctl(PR_SET_THP_DISABLE, 50000, 0xf35, 0xa4590980, 0xb40d5b90) = 0
[pid  3893] getpriority(PRIO_PROCESS, 3893) = 20
[pid  3893] futex(0xb40d5b90, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid  3893] write(10, "3893", 4)        = 4
[pid  3893] prctl(PR_SET_THP_DISABLE, 50000, 0xf35, 0xa4590980, 0xb40d5b90) = 0
[pid  3893] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18) <unfinished ...>
[pid  3881] <... epoll_pwait resumed> {}, 16, 92, NULL, 8) = 0
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1734, 361674127}) = 0
[pid  3881] getuid32()                  = 10063
[pid  3881] epoll_pwait(13, {}, 16, 0, NULL, 8) = 0
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1734, 361948053}) = 0
[pid  3881] epoll_pwait(13, {{EPOLLIN, {u32=26, u64=26}}}, 16, 201, NULL, 8) = 1
[pid  3881] recvfrom(26, "\2\0\0\0d\311\3\264b\5\0\0\t\0\20\0\230\267\364\320\223\1\0\0\0\0\0\0\2\20\0\0"..., 2264, MSG_DONTWAIT, NULL, NULL) = 224
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1734, 378068998}) = 0
[pid  3881] write(27, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3899] <... ppoll resumed> )       = 1 ([{fd=27, revents=POLLIN}], left {29, 622119091})
[pid  3881] <... write resumed> )       = 8
[pid  3899] read(27,  <unfinished ...>
[pid  3881] sendto(26, "\3\0\0\0\0\0\0\0b\5\0\0\1\306\236o", 16, MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0 <unfinished ...>
[pid  3899] <... read resumed> "\1\0\0\0\0\0\0\0", 8) = 8
[pid  3881] <... sendto resumed> )      = 16
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 378504928}) = 0
[pid  3881] recvfrom(26,  <unfinished ...>
[pid  3899] write(27, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
[pid  3881] <... recvfrom resumed> 0xb4089810, 2264, 64, 0, 0) = -1 EAGAIN (Try again)
[pid  3899] <... write resumed> )       = 8
[pid  3881] clock_gettime(CLOCK_MONOTONIC,  <unfinished ...>
[pid  3899] faccessat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/qt-reserved-files/android-style/160//buttonStyle_View_background__focused__enabled.png", F_OK <unfinished ...>
[pid  3881] <... clock_gettime resumed> {1734, 379105032}) = 0
[pid  3899] <... faccessat resumed> )   = 0
[pid  3881] epoll_pwait(13,  <unfinished ...>
[pid  3899] fstatat64(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/qt-reserved-files/android-style/160//buttonStyle_View_background__focused__enabled.png", {st_mode=0, st_size=1, ...}, 0) = 0
[pid  3899] openat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/qt-reserved-files/android-style/160//buttonStyle_View_background__focused__enabled.png", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 29
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] read(29, "\211PNG\r\n\32\n\0\0\0\rIHDR\0\0\0\32\0\0\0 \10\6\0\0\0\f\253h"..., 16384) = 237
[pid  3899] read(29, "", 16147)         = 0
[pid  3899] lseek(29, 0, SEEK_SET)      = 0
[pid  3899] rt_sigprocmask(SIG_BLOCK, [], [QUIT USR1 PIPE], 8) = 0
[pid  3899] rt_sigprocmask(SIG_BLOCK, [], [QUIT USR1 PIPE], 8) = 0
[pid  3899] rt_sigprocmask(SIG_BLOCK, [], [QUIT USR1 PIPE], 8) = 0
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] close(29)                   = 0
[pid  3899] faccessat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/files/info.txt", F_OK) = -1 ENOENT (No such file or directory)
[pid  3899] openat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/files/qt_temp.LnAzFO", O_RDWR|O_CREAT|O_EXCL|O_LARGEFILE|O_CLOEXEC, 0600) = 29
[pid  3899] fstat64(29, {st_mode=0, st_size=1, ...}) = 0
[pid  3899] write(29, "Hello, read this!\r\n", 19) = 19
[pid  3899] lseek(29, 0, SEEK_SET)      = 0
[pid  3899] close(29)                   = 0
[pid  3899] linkat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/files/qt_temp.LnAzFO", AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/files/info.txt", 0) = -1 EACCES (Permission denied)
[pid  3899] unlinkat(AT_FDCWD, "/data/user/0/org.qtproject.example.untitled/files/qt_temp.LnAzFO", 0) = 0
[pid  3899] clock_gettime(CLOCK_REALTIME, {1512169868, 873680698}) = 0
[pid  3899] writev(3, [{"\0;\17\214\341!Z:O\0234", 11}, {"\3", 1}, {"libuntitled.so\0", 15}, {"..\\untitled\\main.cpp:18 (main(in"..., 237}], 4) = 264
[pid  3899] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18), 0xa233e958) = 0
[pid  3899] write(33, "&'\0\0\34\0\0\0\1\1\0\0\0\0\0\0\1\0\0\0\0\0\0(\22\0\0\0", 28) = 28
[pid  3899] read(33, "\0\0\0\0", 4)     = 4
[pid  3899] read(33, "\0\0\0 \21\0\0\0", 8) = 8
[pid  3899] write(33, "''\0\0000\0\0\0\1\1\0\0\0\0\0\0\0\0\0\0@\1\0\0\310\1\0\0\10\31\0\0"..., 48) = 48
[pid  3899] read(33, "\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377\363\363\363\377"..., 583680) = 583680
[pid  3899] read(33, "\0\20\27\0\22\0\0\0", 8) = 8
[pid  3899] ioctl(35, _IOC(_IOC_READ|_IOC_WRITE, 0x47, 0x00, 0x10), 0xa233eb30) = 0
[pid  3899] ioctl(35, _IOC(_IOC_READ|_IOC_WRITE, 0x47, 0x02, 0x10), 0xa233eb30) = 0
[pid  3899] write(33, "2'\0\0<\0\0\0\1\1\0\0\0\0\0\0\0\0\0\0@\1\0\0\310\1\0\0\10\31\0\0"..., 60) = 60
[pid  3899] read(33, "\0\0\0\0", 4)     = 4
[pid  3899] read(33, "\0\0\0 \23\0\0\0", 8) = 8
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 397978298}) = 0
[pid  3899] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18), 0xa233e948) = 0
[pid  3899] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18), 0xa233e948) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 398847037}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 398931574}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {29, 602000000}, NULL, 0) = 1 ([{fd=27, revents=POLLIN}], left {29, 601997995})
[pid  3899] read(27, "\1\0\0\0\0\0\0\0", 8) = 8
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 399039458}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 399067494}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1734, 399089350}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {29, 601000000}, NULL, 0 <unfinished ...>
[pid  3892] <... ioctl resumed> , 0xa468f768) = 0
[pid  3892] futex(0xb40d5b90, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid  3892] write(10, "3892", 4)        = 4
[pid  3892] prctl(PR_SET_THP_DISABLE, 50000, 0xf34, 0xa468f980, 0xb40d5b90) = 0
[pid  3892] getpriority(PRIO_PROCESS, 3892) = 20
[pid  3892] futex(0xb40d5b90, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[pid  3892] write(10, "3892", 4)        = 4
[pid  3892] prctl(PR_SET_THP_DISABLE, 50000, 0xf34, 0xa468f980, 0xb40d5b90) = 0
[pid  3892] ioctl(8, _IOC(_IOC_READ|_IOC_WRITE, 0x62, 0x01, 0x18) <unfinished ...>
[pid  3881] <... epoll_pwait resumed> {}, 16, 183, NULL, 8) = 0
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1734, 563153076}) = 0
[pid  3881] getuid32()                  = 10063
[pid  3881] epoll_pwait(13, {}, 16, 0, NULL, 8) = 0
[pid  3881] clock_gettime(CLOCK_MONOTONIC, {1734, 563469036}) = 0
[pid  3881] epoll_pwait(13,  <unfinished ...>
[pid  3899] <... ppoll resumed> )       = 0 (Timeout)
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1764, 4016748}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1764, 4124275}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1764, 4210047}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {29, 996000000}, NULL, 0) = 0 (Timeout)
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1794, 13847712}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1794, 13948943}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1794, 14043795}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1794, 14131507}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {9, 986000000}, NULL, 0^ATARGET = untitled
TEMPLATE = app) = 0 (Timeout)
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1804, 10835280}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1804, 10958897}) = 0
[pid  3899] clock_gettime(CLOCK_MONOTONIC, {1804, 11047526}) = 0
[pid  3899] ppoll([{fd=27, events=POLLIN}], 1, {9, 990000000}, NULL, 0