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Date: Wed, 9 Apr 2008 16:39:43 +0200
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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Subject: Re: [Xenomai-help] Posix timers increase
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To: Fabien MAHOT <fabien.mahot@domain.hid>
Cc: xenomai@xenomai.org

Fabien MAHOT wrote:
 > > Hello,
 > >
 > > I ve got an application in which I create a lot of posix timers (with
 > > timer_create). After a while timer_create returns an error. There is no
 > > available timer. I would like to increase the timer amount. How can I do
 > > this ? there is a link with "Size of the system heap" kernel configuration
 > > option ?
 > >
 > > thanks a lot
 > >
 > 
 > 
 > folder xenomai : ksrc/skins/posix/timer.c : #define PSE51_TIMER_MAX 128

Beware: posix timers use signals, and signals in user-space cause the
target thread to switch to secondary mode. So, timers are or little use
in user-space. You would better use clock_nanosleep, or
pthread_make_periodic_np/pthread_wait_np.

-- 


					    Gilles.