X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=threads-model.h;h=15dd151577e908027f002565cf2855e95c85d787;hp=752731e246adc93c9ecaa6a03fef22471f04f77c;hb=251ac4b4bf3a9f2d3cfacc1e6618200ca1c431ac;hpb=95ee0b6522a582a1a4501c12244d661905ba8a00 diff --git a/threads-model.h b/threads-model.h index 752731e2..15dd1515 100644 --- a/threads-model.h +++ b/threads-model.h @@ -6,12 +6,13 @@ #define __THREADS_MODEL_H__ #include - #include "mymemory.h" -#include +#include "threads.h" #include "modeltypes.h" #include "stl-model.h" #include "context.h" +#include "classlist.h" +#include "pthread.h" struct thread_params { thrd_start_t func; @@ -32,10 +33,10 @@ typedef enum thread_state { */ THREAD_BLOCKED, /** Thread has completed its execution */ - THREAD_COMPLETED + THREAD_COMPLETED, + THREAD_FREED } thread_state; -class ModelAction; /** @brief A Thread is created for each user-space thread */ class Thread { @@ -46,9 +47,11 @@ public: ~Thread(); void complete(); + void freeResources(); static int swap(ucontext_t *ctxt, Thread *t); static int swap(Thread *t, ucontext_t *ctxt); + static int swap(Thread *t, Thread *t2); thread_state get_state() const { return state; } void set_state(thread_state s); @@ -79,7 +82,10 @@ public: void * get_pthread_return() { return pthread_return; } /** @return True if this thread is finished executing */ - bool is_complete() const { return state == THREAD_COMPLETED; } + bool is_complete() const { return state == THREAD_COMPLETED || state == THREAD_FREED; } + + /** @return True if this thread has finished and its resources have been freed */ + bool is_freed() const { return state == THREAD_FREED; } /** @return True if this thread is blocked */ bool is_blocked() const { return state == THREAD_BLOCKED; } @@ -93,12 +99,23 @@ public: * @see Thread::pending */ void set_pending(ModelAction *act) { pending = act; } + bool just_woken_up() { return wakeup_state; } + void set_wakeup_state(bool state) { wakeup_state = state; } + Thread * waiting_on() const; bool is_waiting_on(const Thread *t) const; bool is_model_thread() const { return model_thread; } + void * get_stack_addr() { return stack; } + ClockVector * get_acq_fence_cv() { return acq_fence_cv; } + friend void thread_startup(); +#ifdef TLS + friend void setup_context(); + friend void * helper_thread(void *); + friend void finalize_helper_thread(); +#endif /** * Intentionally NOT allocated with MODELALLOC or SNAPSHOTALLOC. @@ -118,12 +135,18 @@ public: void operator delete[](void *p, size_t size) { Thread_free(p); } +#ifdef TLS + void setTLS(char *_tls) { tls = _tls;} +#endif private: int create_context(); /** @brief The parent Thread which created this Thread */ Thread * const parent; + /** @brief Acquire fence cv */ + ClockVector *acq_fence_cv; + /** @brief The THREAD_CREATE ModelAction which created this Thread */ ModelAction *creation; @@ -136,12 +159,26 @@ private: */ ModelAction *pending; + /** @brief True if this thread was just woken up */ + bool wakeup_state; + void (*start_routine)(void *); void *(*pstart_routine)(void *); void *arg; ucontext_t context; void *stack; + uint32_t stack_size; +#ifdef TLS + void * helper_stack; +public: + char *tls; + ucontext_t helpercontext; + pthread_mutex_t mutex; + pthread_mutex_t mutex2; + pthread_t thread; +private: +#endif thrd_t *user_thread; thread_id_t id; thread_state state; @@ -160,7 +197,15 @@ private: const bool model_thread; }; +#ifdef TLS +uintptr_t get_tls_addr(); +void tlsdestructor(void *v); +#endif + Thread * thread_current(); +thread_id_t thread_current_id(); +void thread_startup(); +void initMainThread(); static inline thread_id_t thrd_to_id(thrd_t t) { @@ -187,4 +232,12 @@ static inline int id_to_int(thread_id_t id) return id; } -#endif /* __THREADS_MODEL_H__ */ +int real_pthread_mutex_init(pthread_mutex_t *__mutex, const pthread_mutexattr_t *__mutexattr); +int real_pthread_mutex_lock (pthread_mutex_t *__mutex); +int real_pthread_mutex_unlock (pthread_mutex_t *__mutex); +int real_pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine)(void *), void *__restrict __arg); +int real_pthread_join (pthread_t __th, void ** __thread_return); +void real_pthread_exit (void * value_ptr) __attribute__((noreturn)); +void real_init_all(); + +#endif /* __THREADS_MODEL_H__ */