rseq(0x7f37c7fff5c0, 0x20, 0, 0x53053053) = 0
set_robust_list(0x7f37c7fff9a0, 24)     = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
prctl(PR_SET_NAME, "SGen worker")       = 0
futex(0x55d156ebbc60, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37c87fc000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37c5e26000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37c52c4000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37bfa0e000
munmap(0x7f37c52c4000, 4096)            = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37c52c4000
futex(0x55d156ebbc64, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc60, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAIT_PRIVATE, 2, NULL) = -1 EAGAIN (Resource temporarily unavailable)
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37be307000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37bddfe000
munmap(0x7f37bddfe000, 4096)            = 0
futex(0x55d156ebbc64, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc60, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 2, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37be325000
munmap(0x7f37be325000, 4096)            = 0
futex(0x55d156ebbc64, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 3, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc60, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 4, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f37be325000
munmap(0x7f37be325000, 4096)            = 0
futex(0x55d156ebbc64, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 5, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc60, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 6, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc20, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc64, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 7, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc24, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x55d156ebbc60, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 8, NULL, FUTEX_BITSET_MATCH_ANY) = 0
futex(0x55d156ebbc80, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x55d156ebbc20, FUTEX_WAKE_PRIVATE, 1) = 1
rt_sigprocmask(SIG_BLOCK, ~[RT_1], NULL, 8) = 0
madvise(0x7f37c77ff000, 8368128, MADV_DONTNEED) = 0
exit(0)                                 = ?
+++ exited with 0 +++