POSIX timers on SuSE 9.2

Hello! I'm trying to write an app using POSIX timers. But timer_create() fails everytime I call it with "Resource temporarily unavailable". This must be a SuSE problem: The program works on QNX and on my Debian Linux machine at home. What could be causing this problem? Perhaps it's something in the SuSE kernel or with SuSE's glibc? I have searched through google and mailing lists but there was nothing, and I have no idea what to do. Many Thanks! Klaus My System: Distribution: SuSE 9.2 Linux werckmeister 2.6.8-24.13-default #1 Fri Mar 18 10:19:42 UTC 2005 i686 i686 i386 GNU/Linux GNU C Library stable release version 2.3.3 (20040917), by Roland McGrath et al. Copyright (C) 2004 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Configured for i686-suse-linux. Compiled by GNU CC version 3.3.4 (pre 3.3.5 20040809). Compiled on a Linux 2.6.8.1 system on 2004-10-05. Available extensions:         GNU libio by Per Bothner         crypt add-on version 2.1 by Michael Glad and others         linuxthreads-0.10 by Xavier Leroy         GNU Libidn by Simon Josefsson         NoVersion patch for broken glibc 2.0 binaries         BIND-8.2.3-T5B         libthread_db work sponsored by Alpha Processor Inc         NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk Thread-local storage support included. My code: #include #include #include /* perror() */ /* prototype */ void timer_handler(int); int main(void) {    struct sigevent sig_spec;    sigset_t allsigs;    struct itimerspec tmr_setting;    timer_t timer_id;    /* setup signal to respond to timer */    if (signal(SIGALRM, timer_handler) == SIG_ERR) {       perror("signal");       return -1;    }    /* create timer, which uses the REALTIME clock */    sig_spec.sigev_signo = SIGALRM;    #ifdef __QNX__ /* QNX has slightly other prototype */    if ((timer_id = timer_create(CLOCK_REALTIME, &sig_spec)) < 0) {    #else    sig_spec.sigev_notify = SIGEV_SIGNAL;    if (timer_create(CLOCK_REALTIME, &sig_spec, &timer_id) < 0) {    #endif       perror("timer_create");       return -1;    }    /* set the initial expiration and frequency of timer */    tmr_setting.it_value.tv_sec = 1;    tmr_setting.it_value.tv_nsec = 0;    tmr_setting.it_interval.tv_sec = 1;    tmr_setting.it_interval.tv_nsec = 0;    if (timer_settime(timer_id, 0, &tmr_setting, NULL) < 0) {       perror("settimer");       return -1;    }    /* wait for signals */    sigemptyset(&allsigs);    while (1) {       sigsuspend(&allsigs);       printf("signal\n");    } } /* signal routine */ void timer_handler(int signum) {    printf("timer\n"); }