Messages in this thread Patch in this message | | | Date | Mon, 02 Mar 2015 09:59:05 +0200 | From | Adrian Hunter <> | Subject | [PATCH] perf tools: Initialize cpu set in pthread_attr_setaffinity_np feature test |
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Feature tests are compiled but not executed, however it might avoid a future uninitialized variable warning, so initialize the cpu set.
Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c index 2b81b72..fdada5e 100644 --- a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c +++ b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c @@ -1,5 +1,6 @@ #include <stdint.h> #include <pthread.h> +#include <sched.h> int main(void) { @@ -8,7 +9,8 @@ int main(void) cpu_set_t cs; pthread_attr_init(&thread_attr); - /* don't care abt exact args, just the API itself in libpthread */ + CPU_ZERO(&cs); + ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cs), &cs); return ret; -- 1.9.1
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