#include "action.h"
#include "tree.h"
#include "schedule.h"
+#include "snapshot-interface.h"
+#undef DEBUG
#include "common.h"
#define INITIAL_THREAD_ID 0
ModelChecker *model;
+void free_action_list(action_list_t *list)
+{
+ action_list_t::iterator it;
+ for (it = list->begin(); it != list->end(); it++)
+ delete (*it);
+ delete list;
+}
+
ModelChecker::ModelChecker()
{
/* First thread created will have id INITIAL_THREAD_ID */
ModelChecker::~ModelChecker()
{
- delete action_trace;
+ std::map<int, class Thread *, std::less< int >, MyAlloc< std::pair< int, class Thread * > > >::iterator it;
+ for (it = thread_map.begin(); it != thread_map.end(); it++)
+ delete (*it).second;
+ thread_map.clear();
+
+ free_action_list(action_trace);
+
delete this->scheduler;
delete rootNode;
}
void ModelChecker::reset_to_initial_state()
{
DEBUG("+++ Resetting to initial state +++\n");
- std::map<int, class Thread *>::iterator it;
+ std::map<int, class Thread *, std::less< int >, MyAlloc< std::pair< int, class Thread * > > >::iterator it;
for (it = thread_map.begin(); it != thread_map.end(); it++)
delete (*it).second;
thread_map.clear();
if (nextThread == THREAD_ID_T_NONE)
return NULL;
t = thread_map[id_to_int(nextThread)];
- if (t == NULL)
- DEBUG("*** error: thread not in thread_map: id = %d\n", nextThread);
+
+ ASSERT(t != NULL);
+
return t;
}
old->set_state(THREAD_READY);
return Thread::swap(old, get_system_context());
}
-
-ModelAction::ModelAction(action_type_t type, memory_order order, void *loc, int value)
-{
- Thread *t = thread_current();
- ModelAction *act = this;
-
- act->type = type;
- act->order = order;
- act->location = loc;
- act->tid = t->get_id();
- act->value = value;
- act->seq_number = model->get_next_seq_num();
-}
-
-bool ModelAction::is_read()
-{
- return type == ATOMIC_READ;
-}
-
-bool ModelAction::is_write()
-{
- return type == ATOMIC_WRITE;
-}
-
-bool ModelAction::is_acquire()
-{
- switch (order) {
- case memory_order_acquire:
- case memory_order_acq_rel:
- case memory_order_seq_cst:
- return true;
- default:
- return false;
- }
-}
-
-bool ModelAction::is_release()
-{
- switch (order) {
- case memory_order_release:
- case memory_order_acq_rel:
- case memory_order_seq_cst:
- return true;
- default:
- return false;
- }
-}
-
-bool ModelAction::same_var(ModelAction *act)
-{
- return location == act->location;
-}
-
-bool ModelAction::same_thread(ModelAction *act)
-{
- return tid == act->tid;
-}
-
-bool ModelAction::is_dependent(ModelAction *act)
-{
- if (!is_read() && !is_write())
- return false;
- if (!act->is_read() && !act->is_write())
- return false;
- if (same_var(act) && !same_thread(act) &&
- (is_write() || act->is_write()))
- return true;
- return false;
-}
-
-void ModelAction::print(void)
-{
- const char *type_str;
- switch (this->type) {
- case THREAD_CREATE:
- type_str = "thread create";
- break;
- case THREAD_YIELD:
- type_str = "thread yield";
- break;
- case THREAD_JOIN:
- type_str = "thread join";
- break;
- case ATOMIC_READ:
- type_str = "atomic read";
- break;
- case ATOMIC_WRITE:
- type_str = "atomic write";
- break;
- default:
- type_str = "unknown type";
- }
-
- printf("(%4d) Thread: %d\tAction: %s\tMO: %d\tLoc: %14p\tValue: %d\n",
- seq_number, id_to_int(tid), type_str, order, location, value);
-}