+/** @file threads.h
+ * @brief Model Checker Thread class.
+ */
+
#ifndef __THREADS_H__
#define __THREADS_H__
#include <ucontext.h>
-
+#include "mymemory.h"
#include "libthreads.h"
+typedef int thread_id_t;
+
#define THREAD_ID_T_NONE -1
typedef enum thread_state {
THREAD_COMPLETED
} thread_state;
+class ModelAction;
+
+/** @brief A Thread is created for each user-space thread */
class Thread {
public:
- void * operator new(size_t size);
- void operator delete(void *ptr);
- Thread(thrd_t *t, void (*func)(), void *a);
+ Thread(thrd_t *t, void (*func)(void *), void *a);
~Thread();
void complete();
void set_state(thread_state s) { state = s; }
thread_id_t get_id();
thrd_t get_thrd_t() { return *user_thread; }
+ Thread * get_parent() { return parent; }
+
+ void set_creation(ModelAction *act) { creation = act; }
+ ModelAction * get_creation() { return creation; }
+
+ friend void thread_startup();
+
+ SNAPSHOTALLOC
private:
int create_context();
+ Thread *parent;
+ ModelAction *creation;
- void (*start_routine)();
+ void (*start_routine)(void *);
void *arg;
ucontext_t context;
void *stack;