r0 = epoll_create(0x3ff)
r1 = epoll_create(0x3ff)
r2 = signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x8, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r2, &(0x7f0000000200))
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000040))
r3 = signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x8, 0x0)
signalfd(r3, &(0x7f0000000100), 0x8)