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promise: add const
[model-checker.git]
/
promise.h
diff --git
a/promise.h
b/promise.h
index 3c0d5dddd7330e33f06bbc9c2a21320963e6fc4c..e040e169e83e1657f53230c107f7805b8416fc2e 100644
(file)
--- a/
promise.h
+++ b/
promise.h
@@
-21,29
+21,44
@@
struct future_value {
class Promise {
public:
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),
value(fv.value),
expiration(fv.expiration),
- read(
act
),
+ read(
read
),
write(NULL)
{
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);
}
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; }
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 *write) const;
+
+ void print() const;
SNAPSHOTALLOC
private:
SNAPSHOTALLOC
private:
- std::vector< bool, SnapshotAlloc<bool> > eliminated_thread;
+ /** @brief Thread ID(s) for thread(s) that potentially can satisfy this
+ * promise */
+ std::vector< bool, SnapshotAlloc<bool> > available_thread;
+
+ int num_available_threads;
+
const uint64_t value;
const modelclock_t expiration;
const uint64_t value;
const modelclock_t expiration;
+
+ /** @brief The action which reads a promised value */
ModelAction * const read;
ModelAction * const read;
+
const ModelAction *write;
};
const ModelAction *write;
};