add pthread_setaffinity_np and pthread_getaffinity_np functions
diff --git a/include/pthread.h b/include/pthread.h
index 731bce3..f7c9568 100644
--- a/include/pthread.h
+++ b/include/pthread.h
@@ -210,6 +210,9 @@
#define pthread_cleanup_pop(r) _pthread_cleanup_pop(&__cb, (r)); } while(0)
#ifdef _GNU_SOURCE
+struct cpu_set_t;
+int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
+int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
int pthread_getattr_np(pthread_t, pthread_attr_t *);
#endif