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6	6	Since this work fundamentally depends on operating-system support, the first step of this design is to discuss the available interfaces and pick one (or more) as the foundation for the non-blocking \io subsystem in this work.
7	7
8		\subsection{\lstinline{O_NONBLOCK}}
	8	\subsection{\lstinline{O_NONBLOCK}}\label{ononblock}
9	9	In Linux, files can be opened with the flag @O_NONBLOCK@~\cite{MAN:open} (or @SO_NONBLOCK@~\cite{MAN:accept}, the equivalent for sockets) to use the file descriptors in ``nonblocking mode''.
10	10	In this mode, ``Neither the @open()@ nor any subsequent \io operations on the [opened file descriptor] will cause the calling process to wait''~\cite{MAN:open}.

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Changeset 749cf69 for doc/theses/thierry_delisle_PhD