#include "output.h"
#include "traceanalysis.h"
#include "execution.h"
-#include "history.h"
#include "bugmessage.h"
#include "params.h"
#include "plugins.h"
ModelChecker *model = NULL;
+int inside_model = 0;
+
+uint64_t get_nanotime()
+{
+ struct timespec currtime;
+ clock_gettime(CLOCK_MONOTONIC, &currtime);
+
+ return currtime.tv_nsec;
+}
void placeholder(void *) {
ASSERT(0);
perror("sigaction(SIGSEGV)");
exit(EXIT_FAILURE);
}
+}
+void createModelIfNotExist() {
+ if (!model) {
+ ENTER_MODEL_FLAG;
+ snapshot_system_init(100000);
+ model = new ModelChecker();
+ model->startChecker();
+ EXIT_MODEL_FLAG;
+ }
}
/** @brief Constructor */
/* Initialize default scheduler */
params(),
scheduler(new Scheduler()),
- history(new ModelHistory()),
execution(new ModelExecution(this, scheduler)),
execution_number(1),
- curr_thread_num(1),
+ curr_thread_num(MAIN_THREAD_ID),
trace_analyses(),
inspect_plugin(NULL)
{
"Copyright (c) 2013 and 2019 Regents of the University of California. All rights reserved.\n"
"Distributed under the GPLv2\n"
"Written by Weiyu Luo, Brian Norris, and Brian Demsky\n\n");
- memset(&stats,0,sizeof(struct execution_stats));
+ init_memory_ops();
+ real_memset(&stats,0,sizeof(struct execution_stats));
init_thread = new Thread(execution->get_next_id(), (thrd_t *) model_malloc(sizeof(thrd_t)), &placeholder, NULL, NULL);
#ifdef TLS
init_thread->setTLS((char *)get_tls_addr());
}
model_print("\n");
+#ifdef PRINT_TRACE
execution->print_summary();
+#endif
}
/**
clear_program_output();
execution_number ++;
- history->set_new_exec_flag();
if (more_executions)
reset_to_initial_state();
execution->collectActions();
}
- thread_chosen = false;
- curr_thread_num = 1;
+ curr_thread_num = MAIN_THREAD_ID;
Thread *thr = getNextThread(old);
if (thr != nullptr) {
scheduler->set_current_thread(thr);
-
+ EXIT_MODEL_FLAG;
if (Thread::swap(old, thr) < 0) {
perror("swap threads");
exit(EXIT_FAILURE);
}
ModelAction *act = thr->get_pending();
- if (act && execution->is_enabled(tid)){
+ if (act && scheduler->is_enabled(tid)){
/* Don't schedule threads which should be disabled */
if (!execution->check_action_enabled(act)) {
scheduler->sleep(thr);
}
/* Allow pending relaxed/release stores or thread actions to perform first */
- else if (!thread_chosen) {
+ else if (!chosen_thread) {
if (act->is_write()) {
std::memory_order order = act->get_mo();
if (order == std::memory_order_relaxed || \
order == std::memory_order_release) {
chosen_thread = thr;
- thread_chosen = true;
}
} else if (act->get_type() == THREAD_CREATE || \
act->get_type() == PTHREAD_CREATE || \
act->get_type() == THREAD_START || \
act->get_type() == THREAD_FINISH) {
chosen_thread = thr;
- thread_chosen = true;
}
}
}
scheduler->set_current_thread(NULL);
/** Reset curr_thread_num to initial value for next execution. */
- curr_thread_num = 1;
+ curr_thread_num = MAIN_THREAD_ID;
/** If we have more executions, we won't make it past this call. */
finish_execution(execution_number < params.maxexecutions);
delete act;
return 0;
}
+ ENTER_MODEL_FLAG;
+
DBG();
Thread *old = thread_current();
old->set_state(THREAD_READY);
if (!chosen_thread) {
chosen_thread = get_next_thread();
}
- if (!chosen_thread || chosen_thread->is_model_thread()) {
+ if (!chosen_thread) {
finishRunExecution(old);
return false;
}
void ModelChecker::startChecker() {
startExecution();
//Need to initial random number generator state to avoid resets on rollback
- initstate(423121, random_state, sizeof(random_state));
+ //initstate(423121, random_state, sizeof(random_state));
+ uint64_t seed = get_nanotime();
+ srandom(seed);
snapshot = take_snapshot();
//reset random number generator state
- setstate(random_state);
+ //setstate(random_state);
+ seed = get_nanotime();
+ srandom(seed);
install_trace_analyses(get_execution());
redirect_output();