EV_MASK_ALL
if (evSelectFD(opaqueCtx, fd, EV_MASK_ALL,
if (!(cur = FindFD(ctx, del->fd, EV_MASK_ALL)) &&
cur != NULL && eventmask != EV_MASK_ALL;
if (eventmask == 0 || (eventmask & ~EV_MASK_ALL) != 0)
id = FindFD(ctx, fd, EV_MASK_ALL);