Frits de Klark wrote:
Hello everyone,
I'm thinking about implementing a tcp/ip socket server where I assign
each incoming connection 2 realtime tasks; 1 one for transmitting data
and 1 for receiving data. I'm aware of the fact that the tasks will lose
their realtime capacities, but I want to do some tests nonetheless.
I was wondering if there is a limit on the number of realtime tasks I
can allocate and run at the same time. Is there any?
And may there be other problems to expect?
Thanks very much for your help,
Pay attention to the stack size of the user-space tasks: the default of
8 Megabytes will exhaust your RAM rapidly. So, you should either :
- set the default stack size with ulimit;
- or set the the stack size of the created threads, but in this case the
main thread will have an 8 Megabytes stack.
In order to set the stack size of a thread, use
pthread_attr_setstacksize if using the POSIX skin or the stksize
parameter of rt_task_create if using the native skin.
--
Gilles Chanteperdrix
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