Henry Bausley wrote:
> We are using 2.6.28.8 and xenomai 2.4.7 on a AMCC PowerPC 460EX platform
> and getting
> the following message.
>
> Xenomai Posix skin init: pthread_setschedparam: Resource temporarily
> unavailable
>
>
> It takes quite a while for this to happen. The /proc/xenomai/heap value
> for used keeps increasing.
> Once the "used" gets very close to "size" the user space xenomai
> applications can no longer run.
> I have isolated the problem to opening and closing shared memory areas.
>
>
> shmfd = shm_open(RTL_SHM_NAME, O_CREAT | O_RDWR, 0777);
> if (shmfd == -1) {
> printf("Gp Share mem Open, Err: %d Msg: (%s)\n", errno,
> strerror(errno));
> return -1;
> }
> ftruncate(shmfd,MAKE_PAGESIZE(sizeof(struct SHM)));
>
> pshm = mmap(NULL,MAKE_PAGESIZE(sizeof(struct SHM)),PROT_READ |
> PROT_WRITE,MAP_SHARED, shmfd,0);
>
> munmap(pshm, MAKE_PAGESIZE(sizeof(struct SHM)));
> close(shmfd);
> shm_unlink(RTL_SHM_NAME);
>
>
> The above calls are in a shared library that an applications call.
Well, I am surprised, since I received no answer after trying and help
you with your last issue, I assumed you had stopped using Xenomai shared
memories.
Do you reproduce this issue with Xenomai 2.4.8?
--
Gilles.
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