X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=promise.h;h=852fe714f896dfbffc0b409fcd499058841a1ee0;hb=a11a861e697310b5fd8abe52dff49fc8a66eeb78;hp=3c0d5dddd7330e33f06bbc9c2a21320963e6fc4c;hpb=9f1ddeb2b2ba0bf52d14456c90b363daa2f09965;p=c11tester.git diff --git a/promise.h b/promise.h index 3c0d5ddd..852fe714 100644 --- a/promise.h +++ b/promise.h @@ -21,29 +21,45 @@ struct future_value { class Promise { public: - Promise(ModelAction *act, struct future_value fv) : + Promise(ModelAction *read, struct future_value fv) : + num_available_threads(0), value(fv.value), expiration(fv.expiration), - read(act), + read(read), write(NULL) { - eliminate_thread(act->get_tid()); + add_thread(fv.tid); + eliminate_thread(read->get_tid()); } modelclock_t get_expiration() const { return expiration; } ModelAction * get_action() const { return read; } bool eliminate_thread(thread_id_t tid); - bool thread_is_eliminated(thread_id_t tid) const; + void add_thread(thread_id_t tid); + bool thread_is_available(thread_id_t tid) const; bool has_failed() const; uint64_t get_value() const { return value; } void set_write(const ModelAction *act) { write = act; } - const ModelAction * get_write() { return write; } + const ModelAction * get_write() const { return write; } + int get_num_available_threads() const { return num_available_threads; } + bool is_compatible(const ModelAction *act) const; + bool is_compatible_exclusive(const ModelAction *act) const; + + void print() const; SNAPSHOTALLOC private: - std::vector< bool, SnapshotAlloc > eliminated_thread; + /** @brief Thread ID(s) for thread(s) that potentially can satisfy this + * promise */ + std::vector< bool, SnapshotAlloc > available_thread; + + int num_available_threads; + const uint64_t value; const modelclock_t expiration; + + /** @brief The action which reads a promised value */ ModelAction * const read; + const ModelAction *write; };