Convert affinity control from the deprecated PLPA to HWLOC

Affinity.c

@@ -0,0 +1,36 @@
+
+#include "config.h"
+#include "Affinity.h"
+#include <stdlib.h>
+
+/*{
+
+typedef struct Affinity_ {
+   int size;
+   int used;
+   int* cpus;
+} Affinity;
+
+}*/
+
+Affinity* Affinity_new() {
+   Affinity* this = calloc(sizeof(Affinity), 1);
+   this->size = 8;
+   this->cpus = calloc(sizeof(int), this->size);
+   return this;
+}
+
+void Affinity_delete(Affinity* this) {
+   free(this->cpus);
+   free(this);
+}
+
+void Affinity_add(Affinity* this, int id) {
+   if (this->used == this->size) {
+      this->size *= 2;
+      this->cpus = realloc(this->cpus, sizeof(int) * this->size);
+   }
+   this->cpus[this->used] = id;
+   this->used++;
+}
+