Re: shm_open return ENOSYS

[Xiaoyan He]

I am running on Redhat7.0. shm_open is POSIX shared memory function, not
System V shm. I believe that "System V IPC" is enabled in the kernel
configuration as I could use System V shm. I have heard that glibc2.1.9*
has implemented POSIX shared memory. 

On Wed, 18 Oct 2000, Charles G Waldman wrote:

> Xiaoyan He writes:
>  > I called shm_open with librt ( Glibc2.1.94). And shm_open return error#
>  > 38. This error# means "not implemented in system". Any suggestion?
> 
> What platform are you running on?  If it's Linux, make sure that
> "System V IPC" is enabled in your kernel configuration; otherwise the
> shm* calls are not available.
>