+// ****** Checkpoint ignore:
+
+static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r)
+{
+ xbt_free(r);
+}
+
+static void checkpoint_ignore_region_free_voidp(void *r)
+{
+ checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
+}
+
+xbt_dynar_t MC_checkpoint_ignore_new(void)
+{
+ return xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t),
+ checkpoint_ignore_region_free_voidp);
+}
+
+// ***** Generic memory ignore mechanism
+
+void MC_process_ignore_memory(mc_process_t process, void *addr, size_t size)
+{
+ xbt_dynar_t checkpoint_ignore = process->checkpoint_ignore;
+ mc_checkpoint_ignore_region_t region =
+ xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
+ region->addr = addr;
+ region->size = size;
+
+ if (xbt_dynar_is_empty(checkpoint_ignore)) {
+ xbt_dynar_push(checkpoint_ignore, ®ion);
+ } else {
+
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(checkpoint_ignore) - 1;
+ mc_checkpoint_ignore_region_t current_region = NULL;
+
+ while (start <= end) {
+ cursor = (start + end) / 2;
+ current_region =
+ (mc_checkpoint_ignore_region_t) xbt_dynar_get_as(checkpoint_ignore,
+ cursor,
+ mc_checkpoint_ignore_region_t);
+ if (current_region->addr == addr) {
+ if (current_region->size == size) {
+ checkpoint_ignore_region_free(region);
+ return;
+ } else if (current_region->size < size) {
+ start = cursor + 1;
+ } else {
+ end = cursor - 1;
+ }
+ } else if (current_region->addr < addr) {
+ start = cursor + 1;
+ } else {
+ end = cursor - 1;
+ }
+ }
+
+ if (current_region->addr == addr) {
+ if (current_region->size < size) {
+ xbt_dynar_insert_at(checkpoint_ignore, cursor + 1, ®ion);
+ } else {
+ xbt_dynar_insert_at(checkpoint_ignore, cursor, ®ion);
+ }
+ } else if (current_region->addr < addr) {
+ xbt_dynar_insert_at(checkpoint_ignore, cursor + 1, ®ion);
+ } else {
+ xbt_dynar_insert_at(checkpoint_ignore, cursor, ®ion);
+ }
+ }
+}
+