X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=promise.h;h=20aee036f99c3a6adad194b353846a524404ef1e;hp=7e6e396e15f9330e24ed7590e6abaefc9f3b1c38;hb=1ef66fffe44c297326b1043cab978789b1071704;hpb=b329a1b8e97612d269dd8c888750b88d7278182f diff --git a/promise.h b/promise.h index 7e6e396e..20aee036 100644 --- a/promise.h +++ b/promise.h @@ -16,33 +16,41 @@ struct future_value { uint64_t value; modelclock_t expiration; + thread_id_t tid; }; class Promise { public: - Promise(ModelAction *act, struct future_value fv) : - value(fv.value), - expiration(fv.expiration), - read(act), - write(NULL) - { - eliminate_thread(act->get_tid()); - } + Promise(ModelAction *read, struct future_value fv); 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; };