On Monday, September 12, 2011 4:42:40 am Filippo Sironi wrote:
> This is what I wrote for FreeBSD 7.2 and it does not work:
callout_reset() is always going to return false here as you are never
rescheduling an existing callout (it is either idle or has already fired each
time you invoke callout_
Thanks a lot guys, it didn't even think about the tty problem...
shame on me, I should have read the man pages. :(
Filippo
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ot;Marc Lörner"
> CC: freebsd-hackers@freebsd.org
> Betreff: Re: Kernel timers infrastructure
> This is how I modified the module:
>
> #include
> #include
> #include
> #includ
Besides I'd also suggest to have the callout rearming as the very last
step of you callback in order to avoid buffering interleaving issues.
Attilio
2011/9/12 Kostik Belousov :
> On Mon, Sep 12, 2011 at 11:48:42AM +0200, "Marc L?rner" wrote:
>> Hello,
>> what about changing order of callout_reset
On Mon, Sep 12, 2011 at 11:48:42AM +0200, "Marc L?rner" wrote:
> Hello,
> what about changing order of callout_reset and uprintf?
> And your timeout isn't 1minute, it's one second!
>
> Regards,
> Marc
>
> >I already did that to ensure timer_event_handler would be called correctly.
> >
> >The resu
Hello,
what about changing order of callout_reset and uprintf?
And your timeout isn't 1minute, it's one second!
Regards,
Marc
>I already did that to ensure timer_event_handler would be called correctly.
>
>The result follows:
>
>freebsd# kldload ./timer.ko
>timer_event_handler() with MOD_LOAD
>
This is how I modified the module:
#include
#include
#include
#include
static struct callout timer_callout;
static void
timer_function(void *arg)
{
uprintf("timer_function() begin\n");
if (callout
I already did that to ensure timer_event_handler would be called correctly.
The result follows:
freebsd# kldload ./timer.ko
timer_event_handler() with MOD_LOAD
freebsd# kldunload ./timer.ko
timer_event_handler() with MOD_UNLOAD
and I maintained the module load for about 1 minute so the timer
How about adding some printfs() to the functions to ensure they're being called?
Adrian
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This is what I wrote for FreeBSD 7.2 and it does not work:
#include
#include
#include
#include
static struct callout timer_callout;
static void
timer_function(void *arg)
{
if (callout_reset(&timer_callout
On 11 September 2011 09:02, Riccardo Cattaneo
wrote:
> Of course, the module from which I'm calling them must be already loaded and
> initialized, isn't it?
> Riccardo
Well, yes - but then, you can just add something to the module load
code to start off the callout.
There are race conditions to
Of course, the module from which I'm calling them must be already loaded and
initialized, isn't it?
Riccardo
On Sep 11, 2011, at 2:57 AM, Adrian Chadd wrote:
> You can use the callout API to schedule timed events in the kernel.
>
>
>
> Adrian
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You can use the callout API to schedule timed events in the kernel.
Adrian
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Hi all,
Me in the same situation: university project, freebsd os, required to call a
certain function X times/second (say, uprintf).
Got no luck till now :(
Thanks
Riccardo___
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Hi.
On 25.07.2011 17:13, Filippo Sironi wrote:
I'm working on a university project that's based on FreeBSD and I'm currently
hacking the kernel... but I'm a complete newbie.
My question is: what if I have to call a certain function 10 times per second?
I've seen a bit of code regarding callout_
On Mon, 25 Jul 2011, Filippo Sironi wrote:
I'm working on a university project that's based on FreeBSD and I'm
currently hacking the kernel... but I'm a complete newbie. My question is:
what if I have to call a certain function 10 times per second? I've seen a
bit of code regarding callout_*
Hi everyone,
I'm working on a university project that's based on FreeBSD and I'm currently
hacking the kernel... but I'm a complete newbie.
My question is: what if I have to call a certain function 10 times per second?
I've seen a bit of code regarding callout_* functions but I can't get through
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