X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=threads-model.h;h=11f2d547233119dc165d86eb62f0de8a5f438df5;hp=2cd09ab53739de7d327de3e5758af6b7ba66465d;hb=6475a98e4e3305703004e4ea7417ac93bde51153;hpb=ad52dcdb3a75a69242a392165934e942cb76513b diff --git a/threads-model.h b/threads-model.h index 2cd09ab5..11f2d547 100644 --- a/threads-model.h +++ b/threads-model.h @@ -5,13 +5,13 @@ #ifndef __THREADS_MODEL_H__ #define __THREADS_MODEL_H__ -#include #include -#include #include "mymemory.h" #include #include "modeltypes.h" +#include "stl-model.h" +#include "context.h" struct thread_params { thrd_start_t func; @@ -41,7 +41,8 @@ class ModelAction; class Thread { public: Thread(thread_id_t tid); - Thread(thrd_t *t, void (*func)(void *), void *a, Thread *parent); + Thread(thread_id_t tid, thrd_t *t, void (*func)(void *), void *a, Thread *parent); + Thread(thread_id_t tid, thrd_t *t, void *(*func)(void *), void *a, Thread *parent); ~Thread(); void complete(); @@ -78,23 +79,6 @@ public: /** @return True if this thread is blocked */ bool is_blocked() const { return state == THREAD_BLOCKED; } - /** @return True if no threads are waiting on this Thread */ - bool wait_list_empty() const { return wait_list.empty(); } - - /** - * Add a ModelAction to the waiting list for this thread. - * @param t The ModelAction to add. Must be a JOIN. - */ - void push_wait_list(ModelAction *act) { wait_list.push_back(act); } - - unsigned int num_wait_list() const { - return wait_list.size(); - } - - ModelAction * get_waiter(unsigned int i) const { - return wait_list[i]; - } - /** @return The pending (next) ModelAction for this Thread * @see Thread::pending */ ModelAction * get_pending() const { return pending; } @@ -104,15 +88,8 @@ public: * @see Thread::pending */ void set_pending(ModelAction *act) { pending = act; } - /** - * Remove one ModelAction from the waiting list - * @return The ModelAction that was removed from the waiting list - */ - ModelAction * pop_wait_list() { - ModelAction *ret = wait_list.front(); - wait_list.pop_back(); - return ret; - } + Thread * waiting_on() const; + bool is_waiting_on(const Thread *t) const; bool is_model_thread() const { return model_thread; } @@ -124,6 +101,18 @@ public: * to allow their allocation/deallocation to follow the same pattern as * the rest of the backtracked/replayed program. */ + void * operator new(size_t size) { + return Thread_malloc(size); + } + void operator delete(void *p, size_t size) { + Thread_free(p); + } + void * operator new[](size_t size) { + return Thread_malloc(size); + } + void operator delete[](void *p, size_t size) { + Thread_free(p); + } private: int create_context(); @@ -143,6 +132,7 @@ private: ModelAction *pending; void (*start_routine)(void *); + void *(*pstart_routine)(void *); void *arg; ucontext_t context; void *stack; @@ -150,13 +140,6 @@ private: thread_id_t id; thread_state state; - /** - * A list of ModelActions waiting on this Thread. Particularly, this - * list is used for thread joins, where another Thread waits for this - * Thread to complete - */ - std::vector< ModelAction *, SnapshotAlloc > wait_list; - /** * The value returned by the last action in this thread * @see Thread::set_return_value()