72875 tclsh    RET   read 2272/0x8e0
 72875 tclsh    CALL  read(0x5,0x80233f038,0x1000)
 72875 tclsh    GIO   fd 5 read 0 bytes
       ""
 72875 tclsh    RET   read 0
 72875 tclsh    CALL  close(0x5)
 72875 tclsh    RET   close 0
 72875 tclsh    CALL  sigprocmask(SIG_BLOCK,0x801097de4,0x8020064e8)
 72875 tclsh    RET   sigprocmask 0
 72875 tclsh    CALL  fork
 72875 tclsh    RET   fork 72876/0x11cac
 72876 tclsh    RET   fork 0
 72876 tclsh    CALL  thr_self(0x802006400)
 72876 tclsh    RET   thr_self 0
 72875 tclsh    CALL  sigprocmask(SIG_SETMASK,0x8020064e8,0)
 72875 tclsh    RET   sigprocmask 0
 72876 tclsh    CALL  getpid
 72876 tclsh    RET   getpid 72876/0x11cac
 72876 tclsh    CALL  sysarch(0x81,0x7fffffffdda8)
 72876 tclsh    RET   sysarch 0
 72876 tclsh    CALL  sigprocmask(SIG_SETMASK,0x8020064e8,0)
 72876 tclsh    RET   sigprocmask 0
 72876 tclsh    CALL  getpid
 72876 tclsh    RET   getpid 72876/0x11cac
 72876 tclsh    CALL  close(0x4)
 72876 tclsh    RET   close 0
 72876 tclsh    CALL  mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,0xffffffff,0)
 72876 tclsh    RET   mmap 34366328832/0x800649000
 72876 tclsh    CALL  mmap(0x7fffff7fc000,0x201000,0x3<PROT_READ|PROT_WRITE>,0x400<MAP_STACK>,0xffffffff,0)
 72876 tclsh    RET   mmap 140737479950336/0x7fffff7fc000
 72876 tclsh    CALL  mprotect(0x7fffff7fc000,0x1000,0<PROT_NONE>)
 72876 tclsh    RET   mprotect 0
 72876 tclsh    CALL  thr_new(0x7fffffffdcb0,0x68)
 72876 tclsh    RET   thr_new 0
 72876 tclsh    CALL  getpid
 72876 tclsh    RET   getpid 72876/0x11cac
 72876 tclsh    CALL  _umtx_op(0x8012a5f90,0xf,0,0,0)
 72876 tclsh    RET   fork 0
 72876 tclsh    CALL  pipe
 72876 tclsh    RET   pipe 4
 72876 tclsh    CALL  fcntl(0x4,F_GETFL,0x5)
 72876 tclsh    RET   fcntl 2
 72876 tclsh    CALL  fcntl(0x4,F_SETFL,0x6<O_RDWR|O_NONBLOCK>)
 72876 tclsh    RET   fcntl 0
 72876 tclsh    CALL  fcntl(0x5,F_GETFL,0x6)
 72876 tclsh    RET   fcntl 2
 72876 tclsh    CALL  fcntl(0x5,F_SETFL,0x6<O_RDWR|O_NONBLOCK>)
 72876 tclsh    RET   fcntl 0
 72876 tclsh    CALL  fcntl(0x4,F_SETFD,FD_CLOEXEC)
 72876 tclsh    RET   fcntl 0
 72876 tclsh    CALL  fcntl(0x5,F_SETFD,FD_CLOEXEC)
 72876 tclsh    RET   fcntl 0
 72876 tclsh    CALL  _umtx_op(0x802006e58,0x15,0x1,0,0)
 72876 tclsh    RET   _umtx_op 0
 72876 tclsh    CALL  select(0x5,0x7fffff9fcf20,0x7fffff9fcea0,0x7fffff9fce20,0)
 72876 tclsh    RET   _umtx_op 0
 72875 tclsh    CALL  write(0x4,0x800c2b285,0x1)
 72875 tclsh    GIO   fd 4 wrote 1 byte
       "q"
 72875 tclsh    RET   write 1
 72875 tclsh    RET   select 1
 72875 tclsh    CALL  _umtx_op(0x802017650,0x11,0,0,0)
 72875 tclsh    CALL  close(0x4)
 72875 tclsh    RET   close 0
 72875 tclsh    CALL  _umtx_op(0x802017650,0x16,0,0,0)
 72875 tclsh    RET   _umtx_op 0
 72875 tclsh    RET   _umtx_op 0
 72875 tclsh    CALL  read(0x3,0x7fffffbfdde6,0x1)
 72875 tclsh    GIO   fd 3 read 1 byte
       "q"
 72875 tclsh    RET   read 1
 72875 tclsh    CALL  close(0x3)
 72875 tclsh    RET   close 0
 72875 tclsh    CALL  _umtx_op(0x802006a58,0x15,0x1,0,0)
 72875 tclsh    RET   _umtx_op 0
 72875 tclsh    CALL  thr_exit(0x802006800)
 72875 tclsh    CALL  exit(0)
 72876 tclsh    CALL  write(0x5,0x800c2b285,0x1)
 72876 tclsh    GIO   fd 5 wrote 1 byte
       "q"
 72876 tclsh    RET   write 1
 72876 tclsh    RET   select 1
 72876 tclsh    CALL  _umtx_op(0x802017650,0x11,0,0,0)
 72876 tclsh    CALL  close(0x5)
 72876 tclsh    RET   close 0
 72876 tclsh    CALL  _umtx_op(0x802017650,0x16,0,0,0)
 72876 tclsh    RET   _umtx_op 0
 72876 tclsh    CALL  _umtx_op(0x8012a5f90,0xf,0,0,0)
 72876 tclsh    RET   _umtx_op 0
 72876 tclsh    CALL  read(0x4,0x7fffff9fcde6,0x1)
 72876 tclsh    GIO   fd 4 read 1 byte
       "q"
 72876 tclsh    RET   read 1
 72876 tclsh    CALL  close(0x4)
 72876 tclsh    RET   close 0
 72876 tclsh    CALL  _umtx_op(0x802006e58,0x15,0x1,0,0)
 72876 tclsh    RET   _umtx_op 0
 72876 tclsh    CALL  thr_exit(0x802006c00)
 72876 tclsh    RET   _umtx_op 0
 72876 tclsh    CALL  exit(0)