Re: sem_open / how to use NPTL?
On Wed, 15 Dec 2004 02:29:16 +0100, Viktor Horvath <duke586@hotmail.com> wrote:
> Hello everybody,
>
> forgive me for bothering you, but after hours and hours of searching, I'm
> stuck. For my university, I've to program some easy things with POSIX.4
> semaphores. I know that I need kernel 2.6 and NPTL for that, and I have
> kernel 2.6.7, gcc 3.3.5 and libc6-i686 well installed. But a minimal
> program, shown below, compiled with "gcc -o minimal -lpthread minimal.c"
> keeps saying "sem_open: function not implemented" as if I were still using
> old LinuxThreads. However, getconf says:
>
> $ getconf _POSIX_SEMAPHORES
> 1
> $ getconf GNU_LIBPTHREAD_VERSION
> NPTL 0.60
>
> On Fedora Cora 2 (computer at my university that I connected via ssh), it
> works flawlessly. What am I missing?
>
Don't know if the the default glibc in Debian ("libc6") supports NPTL,
for sure seems that "libc6-i686" does it...
Andrea
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