=> 0x7f026df459e3 <poll+83>:	cmp    $0xfffffffffffff000,%rax
   0x7f026df459e9 <poll+89>:	ja     0x7f026df45a0f <poll+127>
   0x7f026df459eb <poll+91>:	mov    %r8d,%edi
   0x7f026df459ee <poll+94>:	mov    %eax,0x18(%rsp)
   0x7f026df459f2 <poll+98>:	callq  0x7f026df5f130
   0x7f026df459f7 <poll+103>:	mov    0x18(%rsp),%eax
   0x7f026df459fb <poll+107>:	jmp    0x7f026df459b0 <poll+32>
   0x7f026df459fd <poll+109>:	mov    0x2cf41c(%rip),%rdx        # 0x7f026e214e20
   0x7f026df45a04 <poll+116>:	neg    %eax
   0x7f026df45a06 <poll+118>:	mov    %eax,%fs:(%rdx)
   0x7f026df45a09 <poll+121>:	or     $0xffffffffffffffff,%rax
   0x7f026df45a0d <poll+125>:	jmp    0x7f026df459b0 <poll+32>
   0x7f026df45a0f <poll+127>:	mov    0x2cf40a(%rip),%rdx        # 0x7f026e214e20
   0x7f026df45a16 <poll+134>:	neg    %eax
   0x7f026df45a18 <poll+136>:	mov    %eax,%fs:(%rdx)
   0x7f026df45a1b <poll+139>:	or     $0xffffffffffffffff,%rax