model: fix some whitespace

diff --git a/model.cc b/model.cc
index da982d0db415395ed2be39e9dfcf3b34f74c1efe..78907f1dab02648a327c86f1c0fbd3a72dd80c05 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -208,7 +208,7 @@ Thread * ModelChecker::get_next_thread(ModelAction *curr)
        return thread_map->get(id_to_int(tid));
 }
 
-/** 
+/**
  * We need to know what the next actions of all threads in the sleep
  * set will be.  This method computes them and stores the actions at
  * the corresponding thread object's pending action.
@@ -241,7 +241,7 @@ void ModelChecker::wake_up_sleeping_actions(ModelAction * curr) {
                                scheduler->remove_sleep(thr);
                        }
                }
-       }       
+       }
 }
 
 /**
@@ -393,7 +393,7 @@ void ModelChecker::set_backtracking(ModelAction *act)
                /* Don't backtrack into a point where the thread is disabled or sleeping. */
                if (node->enabled_status(tid)!=THREAD_ENABLED)
                        continue;
-       
+
                /* Check if this has been explored already */
                if (node->has_been_explored(tid))
                        continue;
@@ -1066,7 +1066,7 @@ void ModelChecker::check_recency(ModelAction *curr, const ModelAction *rf) {
                        ModelAction *act = *rit;
                        if (!act->is_read())
                                return;
-                       
+
                        if (act->get_reads_from() != rf)
                                return;
                        if (act->get_node()->get_read_from_size() <= 1)
@@ -1291,7 +1291,7 @@ bool ModelChecker::w_modification_order(ModelAction *curr)
                                 * 1) If RMW and it actually read from something, then we
                                 * already have all relevant edges, so just skip to next
                                 * thread.
-                                * 
+                                *
                                 * 2) If RMW and it didn't read from anything, we should
                                 * whatever edge we can get to speed up convergence.
                                 *
@@ -1301,7 +1301,7 @@ bool ModelChecker::w_modification_order(ModelAction *curr)
                                if (curr->is_rmw()) {
                                        if (curr->get_reads_from()!=NULL)
                                                break;
-                                       else 
+                                       else
                                                continue;
                                } else
                                        continue;
@@ -1320,7 +1320,7 @@ bool ModelChecker::w_modification_order(ModelAction *curr)
                                 */
                                if (act->is_write())
                                        mo_graph->addEdge(act, curr);
-                               else if (act->is_read()) { 
+                               else if (act->is_read()) {
                                        //if previous read accessed a null, just keep going
                                        if (act->get_reads_from() == NULL)
                                                continue;
@@ -1402,11 +1402,11 @@ bool ModelChecker::mo_may_allow(const ModelAction *writer, const ModelAction *re
                                break;
                        else if (act->is_write())
                                write_after_read = act;
-                       else if (act->is_read()&&act->get_reads_from()!=NULL&&act!=reader) {
+                       else if (act->is_read() && act->get_reads_from() != NULL && act != reader) {
                                write_after_read = act->get_reads_from();
                        }
                }
-               
+
                if (write_after_read && write_after_read!=writer && mo_graph->checkReachable(write_after_read, writer))
                        return false;
        }
@@ -1690,7 +1690,7 @@ void ModelChecker::add_action_to_lists(ModelAction *act)
        if (act->is_wait()) {
                void *mutex_loc=(void *) act->get_value();
                obj_map->get_safe_ptr(mutex_loc)->push_back(act);
-       
+
                std::vector<action_list_t> *vec = obj_thrd_map->get_safe_ptr(mutex_loc);
                if (tid >= (int)vec->size())
                        vec->resize(priv->next_thread_id);
@@ -1802,7 +1802,7 @@ bool ModelChecker::resolve_promises(ModelAction *write)
                        //Make sure the promise's value matches the write's value
                        ASSERT(promise->get_value() == write->get_value());
                        delete(promise);
-                       
+
                        promises->erase(promises->begin() + promise_index);
                        threads_to_check.push_back(read->get_tid());
 
@@ -1872,7 +1872,7 @@ void ModelChecker::check_promises_thread_disabled() {
 /** Checks promises in response to addition to modification order for threads.
  * Definitions:
  * pthread is the thread that performed the read that created the promise
- * 
+ *
  * pread is the read that created the promise
  *
  * pwrite is either the first write to same location as pread by
@@ -1901,7 +1901,7 @@ void ModelChecker::mo_check_promises(thread_id_t tid, const ModelAction *write)
        for (unsigned int i = 0; i < promises->size(); i++) {
                Promise *promise = (*promises)[i];
                const ModelAction *act = promise->get_action();
-               
+
                //Is this promise on the same location?
                if ( act->get_location() != location )
                        continue;
@@ -1923,11 +1923,11 @@ void ModelChecker::mo_check_promises(thread_id_t tid, const ModelAction *write)
                                return;
                        }
                }
-               
+
                //Don't do any lookups twice for the same thread
                if (promise->has_sync_thread(tid))
                        continue;
-               
+
                if (promise->get_write()&&mo_graph->checkReachable(promise->get_write(), write)) {
                        if (promise->increment_threads(tid)) {
                                failed_promise = true;
@@ -2039,7 +2039,7 @@ void ModelChecker::build_reads_from_past(ModelAction *curr)
 bool ModelChecker::sleep_can_read_from(ModelAction * curr, const ModelAction *write) {
        while(true) {
                Node *prevnode=write->get_node()->get_parent();
-               
+
                bool thread_sleep=prevnode->enabled_status(curr->get_tid())==THREAD_SLEEP_SET;
                if (write->is_release()&&thread_sleep)
                        return true;
@@ -2059,7 +2059,7 @@ static void print_list(action_list_t *list)
        printf("---------------------------------------------------------------------\n");
        printf("Trace:\n");
        unsigned int hash=0;
-       
+
        for (it = list->begin(); it != list->end(); it++) {
                (*it)->print();
                hash=hash^(hash<<3)^((*it)->hash());
@@ -2071,12 +2071,12 @@ static void print_list(action_list_t *list)
 #if SUPPORT_MOD_ORDER_DUMP
 void ModelChecker::dumpGraph(char *filename) {
        char buffer[200];
-  sprintf(buffer, "%s.dot",filename);
-  FILE *file=fopen(buffer, "w");
-  fprintf(file, "digraph %s {\n",filename);
+       sprintf(buffer, "%s.dot",filename);
+       FILE *file=fopen(buffer, "w");
+       fprintf(file, "digraph %s {\n",filename);
        mo_graph->dumpNodes(file);
        ModelAction ** thread_array=(ModelAction **)model_calloc(1, sizeof(ModelAction *)*get_num_threads());
-       
+
        for (action_list_t::iterator it = action_trace->begin(); it != action_trace->end(); it++) {
                ModelAction *action=*it;
                if (action->is_read()) {
@@ -2087,12 +2087,12 @@ void ModelChecker::dumpGraph(char *filename) {
                if (thread_array[action->get_tid()] != NULL) {
                        fprintf(file, "N%u -> N%u[label=\"sb\", color=blue];\n", thread_array[action->get_tid()]->get_seq_number(), action->get_seq_number());
                }
-               
+
                thread_array[action->get_tid()]=action;
        }
-  fprintf(file,"}\n");
+       fprintf(file,"}\n");
        model_free(thread_array);
-  fclose(file);        
+       fclose(file);
 }
 #endif
 
@@ -2109,7 +2109,7 @@ void ModelChecker::print_summary()
        sprintf(buffername, "exec%04u", num_executions);
        mo_graph->dumpGraphToFile(buffername);
        sprintf(buffername, "graph%04u", num_executions);
-  dumpGraph(buffername);
+       dumpGraph(buffername);
 #endif
 
        if (!isfinalfeasible())
@@ -2130,7 +2130,7 @@ void ModelChecker::add_thread(Thread *t)
 }
 
 /**
- * Removes a thread from the scheduler. 
+ * Removes a thread from the scheduler.
  * @param the thread to remove.
  */
 void ModelChecker::remove_thread(Thread *t)