72855 tclsh    RET   read 2272/0x8e0
 72855 tclsh    CALL  read(0x5,0x80233f038,0x1000)
 72855 tclsh    GIO   fd 5 read 0 bytes
       ""
 72855 tclsh    RET   read 0
 72855 tclsh    CALL  close(0x5)
 72855 tclsh    RET   close 0
 72855 tclsh    CALL  fork
 72855 tclsh    RET   fork 72856/0x11c98
 72856 tclsh    RET   fork 0
 72855 tclsh    CALL  write(0x4,0x800c2b285,0x1)
 72855 tclsh    GIO   fd 4 wrote 1 byte
       "q"
 72855 tclsh    RET   write 1
 72855 tclsh    RET   select 1
 72856 tclsh    CALL  write(0x4,0x800c2b285,0x1)
 72855 tclsh    CALL  _umtx_op(0x802017650,0x11,0,0,0)
 72856 tclsh    GIO   fd 4 wrote 1 byte
       "q"
 72855 tclsh    CALL  close(0x4)
 72856 tclsh    RET   write 1
 72855 tclsh    RET   close 0
 72856 tclsh    CALL  close(0x4)
 72856 tclsh    RET   close 0
 72855 tclsh    CALL  _umtx_op(0x802017650,0x16,0,0,0)
 72856 tclsh    CALL  _umtx_op(0x80186bf90,0xf,0,0,0)
 72855 tclsh    RET   _umtx_op 0
 72855 tclsh    RET   _umtx_op 0
 72855 tclsh    CALL  _umtx_op(0x80186bf90,0xf,0,0,0)
 72855 tclsh    CALL  read(0x3,0x7fffffbfdde6,0x1)
 72855 tclsh    GIO   fd 3 read 1 byte
       "q"
 72855 tclsh    RET   read 1
 72855 tclsh    CALL  close(0x3)
 72855 tclsh    RET   close 0
 72855 tclsh    CALL  _umtx_op(0x802006a58,0x15,0x1,0,0)
 72855 tclsh    RET   _umtx_op 0
 72855 tclsh    RET   _umtx_op 0
 72855 tclsh    CALL  _umtx_op(0x802006800,0x2,0x18b1f,0,0)
 72855 tclsh    CALL  thr_exit(0x802006800)
 72855 tclsh    RET   _umtx_op 0
 72855 tclsh    CALL  exit(0)