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io_eagain.3diet
Langue: en
Version: 292824 (debian - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
io_eagain - tell io_wait that you got an EAGAINSYNTAX
#include <io.h>void io_eagain(int64 fd);
DESCRIPTION
If io_wait() said that you can read from a descriptor, you try to read from it, and you get EAGAIN, you need to tell io_wait(). This is important for edge triggered event notification schemes like Linux 2.4's SIGIO, or you will lose events.io_tryread(), io_trywrite() and io_sendfile() and iob_send() already take care of this for you.
This function is only of interest if you integrate io_wait() with legacy code that uses read/write directly.
SEE ALSO
io_wait(3)Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre