01-22-2012
methyl is on the correct track, IMO.
The file statement is correct, but individual user accounts are a subset of a group of files. Users change the program state of the kernel because they initiate processes through direct connections that they control.
This is what is meant by the link: any physical entity that is directly/indirectly attached to the computer makes that attachment to the kernel via a file - disks, network connections, terminals, remote connections. Whatever. Since humans are not directly tcp/ip, fddi, or fibre channel (etc) connected, they are not a file, they are parts or subsets of files.
Unless you would like a direct network connection into a wifi NIC into your cerebrum, you have to settle for sub-file status. That won't be available until Diablo III is released (per my son). Sorry....
I think this thread is kinda soft for for a technical forum....
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LEARN ABOUT DEBIAN
rdma_create_event_channel
RDMA_CREATE_EVENT_CHANNEL(3) Librdmacm Programmer's Manual RDMA_CREATE_EVENT_CHANNEL(3)
NAME
rdma_create_event_channel - Open a channel used to report communication events.
SYNOPSIS
#include <rdma/rdma_cma.h>
struct rdma_event_channel * rdma_create_event_channel (void);
ARGUMENTS
void no arguments
DESCRIPTION
Asynchronous events are reported to users through event channels.
RETURN VALUE
Returns a pointer to the created event channel, or NULL if the request fails. On failure, errno will be set to indicate the failure rea-
son.
NOTES
Event channels are used to direct all events on an rdma_cm_id. For many clients, a single event channel may be sufficient, however, when
managing a large number of connections or cm_id's, users may find it useful to direct events for different cm_id's to different channels
for processing.
All created event channels must be destroyed by calling rdma_destroy_event_channel. Users should call rdma_get_cm_event to retrieve events
on an event channel.
Each event channel is mapped to a file descriptor. The associated file descriptor can be used and manipulated like any other fd to change
its behavior. Users may make the fd non-blocking, poll or select the fd, etc.
SEE ALSO
rdma_cm(7), rdma_get_cm_event(3), rdma_destroy_event_channel(3)
librdmacm 2007-05-15 RDMA_CREATE_EVENT_CHANNEL(3)