On 06/06/2012 03:25 PM, Philippe Gerum wrote: > On 06/06/2012 03:18 PM, Gilles Chanteperdrix wrote: >> On 06/06/2012 02:28 PM, Philippe Gerum wrote: >>> On 06/06/2012 11:48 AM, Philippe Gerum wrote: >>>> On 06/06/2012 11:18 AM, ali hagigat wrote: >>>>> Much appreciate for the reply, Mr. Gerum. Here is the result of ldd >>>>> command: >>>>> >>>> >>>> http://www.xenomai.org/pipermail/xenomai-help/2011-12/msg00012.html >>> >>> Alternatively, this patch may work as well (not tested, but this >>> looks like a former issue we had with aggressive optimizers): >>> >>> diff --git a/src/skins/posix/init.c b/src/skins/posix/init.c >>> index 7a338a0..9c7849e 100644 >>> --- a/src/skins/posix/init.c >>> +++ b/src/skins/posix/init.c >>> @@ -43,6 +43,7 @@ void pse51_clock_init(int); >>> static __attribute__ ((constructor)) >>> void __init_posix_interface(void) >>> { >>> + volatile pthread_t tid = pthread_self(); >>> #ifndef CONFIG_XENO_LIBS_DLOPEN >>> struct sched_param parm; >>> int policy; >>> @@ -80,14 +81,14 @@ void __init_posix_interface(void) >>> >>> /* Don't use auto-shadowing if we are likely invoked from dlopen. */ >>> #ifndef CONFIG_XENO_LIBS_DLOPEN >>> - err = __real_pthread_getschedparam(pthread_self(),&policy,&parm); >>> + err = __real_pthread_getschedparam(tid,&policy,&parm); >>> if (err) { >>> fprintf(stderr, "Xenomai Posix skin init: " >>> "pthread_getschedparam: %s\n", strerror(err)); >>> exit(EXIT_FAILURE); >>> } >>> >>> - err = __wrap_pthread_setschedparam(pthread_self(), policy,&parm); >>> + err = __wrap_pthread_setschedparam(tid, policy,&parm); >>> if (err) { >>> fprintf(stderr, "Xenomai Posix skin init: " >>> "pthread_setschedparam: %s\n", strerror(err)); >> >> There should not be any issue here, as the pthread_self() is passed as >> an argument to the called functions, the syscall is not inlined directly. >> > > Did you get any disassembly of the faulty code when suggesting > -fno-omit-frame-pointer last time you did? > No, but I had experienced the problem first hand.
-- Gilles. _______________________________________________ Xenomai mailing list Xenomai@xenomai.org http://www.xenomai.org/mailman/listinfo/xenomai