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i2o_msg_get

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

NAME

i2o_msg_get - obtain an I2O message from the IOP

SYNOPSIS

struct i2o_message * i2o_msg_get(struct i2o_controller * c);

ARGUMENTS

c

I2O controller

DESCRIPTION

This function tries to get a message frame. If no message frame is available do not wait until one is availabe (see also i2o_msg_get_wait). The returned pointer to the message frame is not in I/O memory, it is allocated from a mempool. But because a MFA is allocated from the controller too it is guaranteed that i2o_msg_post will never fail.

On a success a pointer to the message frame is returned. If the message queue is empty -EBUSY is returned and if no memory is available -ENOMEM is returned.

je suis sur qu'on peut faire encore pire, imagine un mec plus colereux que
Jaco, plus chiant que Fleury et plus emmerdeur que moi, non mais,
imagine un instant.
-+- ST in Guide du linuxien pervers - "Le bon, la brute et le truand." -+-