impatomic: fences linker error

[c11tester.git] / promise.h

diff --git a/promise.h b/promise.h
index 5b0e356bc6873238765577cab957977dc8c8a143..0adc3de1aabb47d9d8df7a007d59eb09f391a257 100644 (file)
--- a/promise.h
+++ b/promise.h
@@ -24,7 +24,9 @@ struct future_value {
 class Promise {
  public:
        Promise(ModelAction *read, struct future_value fv);
-       ModelAction * get_action() const { return read; }
+       bool add_reader(ModelAction *reader);
+       ModelAction * get_reader(unsigned int i) const;
+       unsigned int get_num_readers() const { return readers.size(); }
        bool eliminate_thread(thread_id_t tid);
        void add_thread(thread_id_t tid);
        bool thread_is_available(thread_id_t tid) const;
@@ -34,6 +36,8 @@ class Promise {
        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;
+       bool same_value(const ModelAction *write) const;
+       bool same_location(const ModelAction *act) const;
 
        modelclock_t get_expiration() const { return fv.expiration; }
        uint64_t get_value() const { return fv.value; }
@@ -41,6 +45,9 @@ class Promise {
 
        void print() const;
 
+       bool equals(const Promise *x) const { return this == x; }
+       bool equals(const ModelAction *x) const { return false; }
+
        SNAPSHOTALLOC
  private:
        /** @brief Thread ID(s) for thread(s) that potentially can satisfy this
@@ -51,8 +58,8 @@ class Promise {
 
        const future_value fv;
 
-       /** @brief The action which reads a promised value */
-       ModelAction * const read;
+       /** @brief The action(s) which read the promised future value */
+       std::vector< ModelAction *, SnapshotAlloc<ModelAction *> > readers;
 
        const ModelAction *write;
 };