=> 0x7fbf77691753 <__epoll_wait_nocancel+10>:	cmp    $0xfffffffffffff001,%rax
   0x7fbf77691759 <__epoll_wait_nocancel+16>:	jae    0x7fbf7769178f <epoll_wait+79>
   0x7fbf7769175b <__epoll_wait_nocancel+18>:	retq   
   0x7fbf7769175c <epoll_wait+28>:	sub    $0x8,%rsp
   0x7fbf77691760 <epoll_wait+32>:	callq  0x7fbf7769f170 <__libc_enable_asynccancel>
   0x7fbf77691765 <epoll_wait+37>:	mov    %rax,(%rsp)
   0x7fbf77691769 <epoll_wait+41>:	mov    %rcx,%r10
   0x7fbf7769176c <epoll_wait+44>:	mov    $0xe8,%eax
   0x7fbf77691771 <epoll_wait+49>:	syscall 
   0x7fbf77691773 <epoll_wait+51>:	mov    (%rsp),%rdi
   0x7fbf77691777 <epoll_wait+55>:	mov    %rax,%rdx
   0x7fbf7769177a <epoll_wait+58>:	callq  0x7fbf7769f1d0 <__libc_disable_asynccancel>
   0x7fbf7769177f <epoll_wait+63>:	mov    %rdx,%rax
   0x7fbf77691782 <epoll_wait+66>:	add    $0x8,%rsp
   0x7fbf77691786 <epoll_wait+70>:	cmp    $0xfffffffffffff001,%rax
   0x7fbf7769178c <epoll_wait+76>:	jae    0x7fbf7769178f <epoll_wait+79>