[RFC/PATCH] Generalize poll events from eventfd

Hello all, eventfd is very useful for generating POLLIN/POLLOUT poll events from user space but some applications may want to generate POLLPRI/POLLERR events as well. This patch submission aims to generalize the events generated by an eventfd. This is a resubmission of a patch from Feb 2013[1].

[RFC/PATCH] Generalize poll events from eventfd

Hello all, eventfd is very useful for generating POLLIN/POLLOUT poll events from user space but some applications may want to generate POLLPRI/POLLERR events as well. This patch submission aims to generalize the events generated by an eventfd. This is a resubmission of a patch from Feb 2013[1].