Add the read(2) function

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the NSIG constant

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add support for libpthread

This patch makes it possible to import pthread functions in addition to
glibc functions. Pthread functions have different error handling since
they don't modify errno.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the pthread_sigmask(2) function

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the new glibc_select module

This patch moves the glibc_select module out of the demos/ directory and
into the main package. It offers and alternative version of the standard
library's select module that works on python2.7+ using a single
interface for all the supported versions.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the two new _glibc_p[23]k.py modules

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the new glibc_selectors.py module

This patch adds glibc_selectors to the main package. It offers and
alternative version of the standard library's selectors module that
works on python2.7+ using a single interface for all the supported
versions.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the new glibc_signalfd module

This patch adds a new module that wraps signalfd(2) and provides a
high-level, pythonic API to the same functionality.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the new glibc_pthread_sigmask module

This module wraps the pthread_sigmask(2) with a high-level, pythonic API

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add the pause(2) function

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Rewrite the 'features' part of README

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Split the signalfd demo into raw and pythonic

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add epoll demo

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Add EpollSelector-demo.py

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>