i2o_msg_get_wait(9) centos man page | unix.com

I2O_MSG_GET_WAIT(9)					       Message-based devices					       I2O_MSG_GET_WAIT(9)

NAME
       i2o_msg_get_wait - obtain an I2O message from the IOP

SYNOPSIS
       struct i2o_message * i2o_msg_get_wait(struct i2o_controller * c, int wait);

ARGUMENTS
       c
	   I2O controller

       wait
	   how long to wait until timeout

DESCRIPTION
       This function waits up to wait seconds for a message slot to be available.

       On a success the message is returned and the pointer to the message is set in msg. The returned message is the physical page frame offset
       address from the read port (see the i2o spec). If no message is available returns I2O_QUEUE_EMPTY and msg is leaved untouched.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       I2O_MSG_GET_WAIT(9)