Messages in this thread | | | Date | Tue, 21 Oct 2008 15:23:16 -0500 | From | Timur Tabi <> | Subject | Re: Best method for sending messages to user space? |
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Dan Williams wrote:
> fd = open("/sys/block/md0/md/array_state"); > do { > read(buf, fd, len); > act_on_message(buf); > select(...); /* wait for next sysfs_notify event */ > lseek(fd, 0, SEEK_SET); /* seek back so we can read the new state */ > } while (1);
I meant from the kernel side. I added a call to sysfs_notify(), and I didn't see any sysfs entries being created, so I presume I need to set up sysfs before I call sysfs_notify(), but I can't figure out what that setup is.
-- Timur Tabi Linux kernel developer at Freescale
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