At Tue, 21 Dec 2004 22:25:57 +0100, Viktor Horvath wrote: > 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 2.3.2.ds1-19 well installed. But a > minimal > program, shown below, compiles flawlessly with "gcc -o minimal -lpthread > minimal.c", > but it says "sem_open: function not implemented" at run time, as if I were > still using > old LinuxThreads. However, getconf says: > > $ getconf _POSIX_SEMAPHORES > 1 > $ getconf GNU_LIBPTHREAD_VERSION > NPTL 0.60 > > and ldd shows that the libraries link to the libc6-i686 versions: > > libpthread.so.0 => /lib/tls/i686/cmov/libpthread.so.0 (0x40025000) > libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0x40035000) > /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000) > > On Fedora Cora 2 (computer at my university that I connected via ssh), it > works flawlessly. So does it on the Debian machines of some kind people of > the debian-user list. Have you any idea what I could be missing?
Because you don't mount tmpfs on /dev/shm. Please use the newer glibc (>= 2.3.2.ds1-11) or install the latest "initscripts". I guess you may disable tmpfs on /dev/shm. Regards, -- gotom -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
