r0 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0)
r1 = epoll_create(0x1)
r2 = epoll_create(0x10000)
r3 = epoll_create(0x1)
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r3, &(0x7f0000001cc0))
epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000140))
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000))