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2013-08-12T02:06:59  <sebhub> good morning
2013-08-12T03:14:16  <kiwichris> sebhub, is there any reason not to build newlib with all the encodings ? Does it bloat the runtime is not used ?
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2013-08-12T06:29:21  <sebhub> if you use iconv() then all the stuff is linked in
2013-08-12T06:29:37  <sebhub> it is possible to dynamically add the tables, but i don't know how
2013-08-12T06:30:10  <sebhub> i asked this on the newlib list, but got no answer, i suppose this is not an often used feature (the iconv())
2013-08-12T07:02:08  <tictoc> can I create / write a text file from the RTEMS shell?
2013-08-12T07:07:18  <sebhub> there is no editor for the rtems shell, but you can port "ed" if you want ;-)
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2013-08-12T07:50:06  <tictoc> no thanks :). I just added a custom user command
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2013-08-13T00:45:08  <sebhub> good morning
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2013-08-13T02:02:10  <kiwichris> sebhub, with the iconv should the tools be built with the large list of encodings ?
2013-08-13T02:07:16  <sebhub> yes, otherwise the iconv is just an empty function
2013-08-13T02:07:21  <kiwichris> sebhub, with pthread_once and the need for a mutex should I always add 1 to the number on confdefs.h or check is the user has used --enable-cxx ?
2013-08-13T02:07:45  <sebhub> some architectures (e.g. AVR) cannot use this iconv support
2013-08-13T02:07:45  <kiwichris> sebhub, I will add this to the RSB so iconv does the right thing
2013-08-13T02:07:52  <sebhub> since some arrays are too large
2013-08-13T02:08:09  <kiwichris> I can disable it in the arch specific configuration
2013-08-13T02:26:29  <kiwichris> sebhub, came across a massive hack in gcc libstdc++v3 support today
2013-08-13T02:27:03  <kiwichris> There is a directory called include and it copies the thread support headers from libgcc and munches them with sed
2013-08-13T02:27:34  <kiwichris> and there is a specific support to manage funny cases so you edit the header this stuff breaks
2013-08-13T02:40:15  <sebhub> dealing with gcc internals is always a pleasure
2013-08-13T03:03:23  <kiwichris> sebhub, a mutex for pthread_once will not work
2013-08-13T03:05:06  <sebhub> why?
2013-08-13T03:06:26  <kiwichris> I single mutex is taken and in the init handler it calls pthread_once
2013-08-13T03:07:22  <kiwichris> Having a mutex per pthread_once_t is no good because there is no destroy
2013-08-13T03:08:10  <kiwichris> I need to track the state in the pthread_once_t and error on an init neating on the same pthread_once_t
2013-08-13T03:08:11  <sebhub> one mutex for all pthread once
2013-08-13T03:08:20  <kiwichris> It nests
2013-08-13T03:08:32  <sebhub> e.g. the allocator mutex
2013-08-13T03:08:39  <kiwichris> huh ?
2013-08-13T03:08:40  <sebhub> use a recursive mutex
2013-08-13T03:09:13  <kiwichris> Yes, I then need to track the state to catch the same once struct nesting which is a bug
2013-08-13T03:09:49  <kiwichris> It is not an optimal approach because the once calls are serialised
2013-08-13T03:10:37  <sebhub> its not optimal, but what is the optimal approach?
2013-08-13T03:11:25  <kiwichris> A task queue in each pthread_once_t
2013-08-13T03:11:43  <kiwichris> How important it is I do not know.
2013-08-13T03:12:11  <kiwichris> I also need to add stuff to confdefs.h to manage the POSIX resources used by libstdc
2013-08-13T03:12:17  <kiwichris> ++
2013-08-13T03:12:49  <sebhub> the RTEMS workspace approach has its problem with all this dynamic stuff
2013-08-13T03:13:12  <kiwichris> Yes
2013-08-13T03:13:37  <kiwichris> If you enable Go support the number of mutexes is set to 1
2013-08-13T03:13:51  <kiwichris> There are so many corner cases
2013-08-13T03:27:43  <kiwichris> sebhub, in _POSIX_Once_Manager_initialization if I cannot init a mutex I need to raise a fatal error. What error should I raise ?
2013-08-13T03:28:36  <sebhub> you need an internal mutex
2013-08-13T03:28:46  <kiwichris> huh ?
2013-08-13T03:29:06  <sebhub> which function do you use to allocate the mutex?
2013-08-13T03:29:27  <kiwichris> A new one called _POSIX_Once_Manager_initialization
2013-08-13T03:29:55  <sebhub> is it a classic, posix or internal mutex
2013-08-13T03:30:03  <kiwichris> POSIX
2013-08-13T03:30:25  <kiwichris> What is an internal mutex ?
2013-08-13T03:30:34  <sebhub> the allocator mutex for example
2013-08-13T03:30:50  <kiwichris> Ah ok. I will take a look. That maybe what I am after
2013-08-13T03:30:55  <sebhub> _API_Mutex_Allocate
2013-08-13T03:31:07  <kiwichris> object id based ?
2013-08-13T03:31:40  <sebhub> it is an object, but the id is not used
2013-08-13T03:31:49  <sebhub> quite a crazy construct
2013-08-13T03:32:00  <kiwichris> Hmm ok
2013-08-13T03:32:05  <kiwichris> I will take a look
2013-08-13T03:33:38  <kiwichris> nesting ?
2013-08-13T03:33:52  <sebhub> is allowed
2013-08-13T03:34:30  <kiwichris> This is a POSIX specific mutex.
2013-08-13T03:35:04  <kiwichris> I may leave it within the posix bits
2013-08-13T03:35:19  <kiwichris> I see the apimutex.h has specifics for the allocator.
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2013-08-13T06:21:11  <tictoc> Hey, I am trying to send a UDP package from RTEMS running in Qemu my Linux host OS. The tap interface is configured with the IP 10.1.2.2, which I also specified as the target address in my RTEMS application. The package does arrive in Linux, but tcpdump tells mit it gets rejected with the following message:
2013-08-13T06:21:13  <tictoc> 13:13:05.201823 IP 10.1.2.5.50002 > 10.1.2.2.50002: UDP, length 10
2013-08-13T06:21:14  <tictoc> 13:13:05.201878 IP 10.1.2.2 > 10.1.2.5: ICMP host 10.1.2.2 unreachable - admin prohibited, length 46
2013-08-13T06:21:32  <tictoc> Am I missing something or did I configure something wrong?
2013-08-13T06:25:20  <tictoc> ah I think it might be the firewall after all
2013-08-13T06:36:55  <tictoc> yep got it working
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2013-08-14T02:14:36  <kiwichris> sebhub, hi
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2013-08-14T02:16:27  <kiwichris> Hmm
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2013-08-14T05:20:26  <kiwichris> sebhub, thanks for the typo fix
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2013-08-16T22:48:01  <freenix> hi,kiwichris
2013-08-16T23:12:42  <kiwichris> hey
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2013-08-17T01:25:35  <freenix> hi,kiwichris
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2013-08-17T13:26:28  <salil93> Hello
2013-08-17T13:27:32  <salil93> I am new to RTEMS and need some guidance
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