X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=promise.h;h=20aee036f99c3a6adad194b353846a524404ef1e;hp=d729e0309868846425d0c439962187b7aa83de44;hb=1ef66fffe44c297326b1043cab978789b1071704;hpb=f001f8b98c907df8bd7f38e92c00445071f26304 diff --git a/promise.h b/promise.h index d729e030..20aee036 100644 --- a/promise.h +++ b/promise.h @@ -8,22 +8,50 @@ #define __PROMISE_H__ #include +#include "threads-model.h" -class ModelAction; +#include "model.h" +#include "modeltypes.h" + +struct future_value { + uint64_t value; + modelclock_t expiration; + thread_id_t tid; +}; class Promise { public: - Promise(ModelAction *act, uint64_t value) : - value(value), read(act), numthreads(1) - { } + Promise(ModelAction *read, struct future_value fv); + modelclock_t get_expiration() const { return expiration; } ModelAction * get_action() const { return read; } - int increment_threads() { return ++numthreads; } + bool eliminate_thread(thread_id_t tid); + 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() 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: + /** @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; - unsigned int numthreads; + + const ModelAction *write; }; #endif