fix mutex_trylock bug
[c11tester.git] / actionlist.cc
index 5256944..f97e667 100644 (file)
@@ -174,15 +174,16 @@ void actionlist::removeAction(ModelAction * act) {
        int shiftbits = MODELCLOCKBITS;
        modelclock_t clock = act->get_seq_number();
        allnode * ptr = &root;
+       allnode * oldptr;
        modelclock_t currindex;
 
        while(shiftbits != 0) {
                shiftbits -= ALLBITS;
                currindex = (clock >> shiftbits) & ALLMASK;
-               allnode * tmp = ptr->children[currindex];
-               if (tmp == NULL)
+               oldptr = ptr;
+               ptr = ptr->children[currindex];
+               if (ptr == NULL)
                        return;
-               ptr = tmp;
        }
 
        sllnode<ModelAction *> * llnode = reinterpret_cast<sllnode<ModelAction *> *>(((uintptr_t) ptr) & ACTMASK);
@@ -205,11 +206,11 @@ void actionlist::removeAction(ModelAction * act) {
                        if (first) {
                                //see if previous node has same clock as us...
                                if (llnodeprev != NULL && llnodeprev->val->get_seq_number() == clock) {
-                                       ptr->children[currindex] = reinterpret_cast<allnode *>(((uintptr_t)llnodeprev) | ISACT);
+                                       oldptr->children[currindex] = reinterpret_cast<allnode *>(((uintptr_t)llnodeprev) | ISACT);
                                } else {
                                        //remove ourselves and go up tree
-                                       ptr->children[currindex] = NULL;
-                                       decrementCount(ptr);
+                                       oldptr->children[currindex] = NULL;
+                                       decrementCount(oldptr);
                                }
                        }
                        delete llnode;
@@ -245,3 +246,16 @@ void actionlist::clear() {
 bool actionlist::isEmpty() {
        return root.count == 0;
 }
+
+/**
+ * Fix the parent pointer of root when root address changes (possible
+ * due to vector<action_list_t> resize)
+ */
+void actionlist::fixupParent()
+{
+       for (int i = 0;i < ALLNODESIZE;i++) {
+               allnode * child = root.children[i];
+               if (child != NULL && child->parent != &root)
+                       child->parent = &root;
+       }
+}