On 05/01/2012 07:44 PM, Frank Rowand wrote:
> This fixes a segfault on ARM when the '-a' option is used.
>
> man sched_setaffinity says to use pthread_setaffinity_np() when using the
> POSIX threads API.
>
> Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxxxxx>
Compile tested and tried "-a 0", but my ARM kernel/emulation is UP, so
not sure this is of much value.
Tested-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx>
> ---
> src/cyclictest/cyclictest.c | 4 3 + 1 - 0 !
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> Index: b/src/cyclictest/cyclictest.c
> ===================================================================
> --- a/src/cyclictest/cyclictest.c
> +++ b/src/cyclictest/cyclictest.c
> @@ -612,6 +612,7 @@ void *timerthread(void *param)
> struct thread_stat *stat = par->stats;
> int stopped = 0;
> cpu_set_t mask;
> + pthread_t thread;
>
> /* if we're running in numa mode, set our memory node */
> if (par->node != -1)
> @@ -620,7 +621,8 @@ void *timerthread(void *param)
> if (par->cpu != -1) {
> CPU_ZERO(&mask);
> CPU_SET(par->cpu, &mask);
> - if(sched_setaffinity(0, sizeof(mask), &mask) == -1)
> + thread = pthread_self();
> + if(pthread_setaffinity_np(thread, sizeof(mask), &mask) == -1)
> warn("Could not set CPU affinity to CPU #%d\n", par->cpu);
> }
>
>
--
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
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