-----Original Message-----
From: Gilles Chanteperdrix [mailto:[email protected]]
Sent: Wednesday, 03. August, 2011 16:03
To: Sambasiva Rao Manchili
Cc: Philippe Gerum; Antonio Gambin; [email protected]
Subject: Re: [Xenomai-help] Xenomai VxWorks Skin--->semTake
On 08/03/2011 03:31 PM, Sambasiva Rao Manchili wrote:
> Hi Gilles,
> I had seen the code in src\skins\vxworks\semLib.c it returns ERROR which is
> -1.
>
> The value that I sent earlier is the value that I got out of the following
> statement.
> serrLog( serrErr,
> "resu_getonline_1_svc: semTake for restab_access_smp
> failed!!<%s>",
> strerror(errnoGet()));
>
> Is it right ?
You want printErrno instead of strerror.
>>Samba:
>>In the beginning days of our code porting from VxWorks to Linux, Xenomai
>>failed to create message Queue that was working on VxWorks.
>>When xenomai failed to create message queue it returned 0x110001===>1114113.
>>After reading the Xenomai code a bit I understood it is
>>S_memLib_NOT_ENOUGH_MEMORY.
>>I therefore reduced the Queue size by 5 times and it was then successful.
>>The way I extracted the errno in beginning days is same as I did today. So I
>>epxected a value which >>tells the actual reason of semTake failure. But I
>>got this huge value which is -1. Am I missing something ?
>
>
> Now again I tried with
> serrLog( serrErr,
> "resu_getonline_1_svc: semTake for restab_access_smp
> failed!!<%s> <%d>",
> strerror(errnoGet()), errno);
>
> Here I get value 1 for errno.
1 is EPERM. Is the thread issuing the call a thread created by Xenomai?
>>Samba: Yes. I guess taskSpawn leads finally to Xenomai libraries to create
>>thread. All our VxWorks code(with minor changes) as it is running on top of
>>Xenomai.
>> Please tell me, What will you suggest me then ?
--
Gilles.
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