dataflow_cpp: added support for priorities and affinities

dataflow_cpp/include/embb/dataflow/internal/node.h

@@ -29,6 +29,7 @@
 
 #include <cstddef>
 #include <embb/base/exceptions.h>
+#include <embb/mtapi/execution_policy.h>
 #include <embb/dataflow/internal/scheduler.h>
 #include <embb/dataflow/internal/clock_listener.h>
 
@@ -58,10 +59,14 @@ class Node {
       SetSlices(0);
     }
   }
+  void SetPolicy(embb::mtapi::ExecutionPolicy const & policy) {
+    policy_ = policy;
+  }
 
  protected:
   Scheduler * sched_;
   static int next_process_id_;
+  embb::mtapi::ExecutionPolicy policy_;
 
   static int GetNextProcessID() { return next_process_id_++; }
   virtual void SetSlices(int /*slices*/) {}

dataflow_cpp/include/embb/dataflow/internal/process.h

@@ -146,7 +146,7 @@ class Process< Serial, Inputs<I1, I2, I3, I4, I5>,
             for (int ii = clk; ii < clk_res; ii++) {
               const int idx = ii % slices_;
               action_[idx] = Action(this, ii);
-              sched_->Enqueue(queue_id_, action_[idx]);
+              sched_->Enqueue(queue_id_, action_[idx], policy_);
             }
             queued_clock_.Store(clk_res);
             retry = false;
@@ -158,7 +158,7 @@ class Process< Serial, Inputs<I1, I2, I3, I4, I5>,
     } else {
       const int idx = clock % slices_;
       action_[idx] = Action(this, clock);
-      sched_->Start(action_[idx]);
+      sched_->Start(action_[idx], policy_);
     }
   }
 

dataflow_cpp/include/embb/dataflow/internal/scheduler.h

@@ -27,6 +27,8 @@
 #ifndef EMBB_DATAFLOW_INTERNAL_SCHEDULER_H_
 #define EMBB_DATAFLOW_INTERNAL_SCHEDULER_H_
 
+#include <embb/mtapi/execution_policy.h>
+
 namespace embb {
 namespace dataflow {
 namespace internal {
@@ -37,8 +39,13 @@ class Scheduler {
  public:
   Scheduler() {}
   virtual ~Scheduler() {}
-  virtual void Start(Action & action) = 0;
-  virtual void Enqueue(int process_id, Action & action) = 0;
+  virtual void Start(
+    Action & action,
+    embb::mtapi::ExecutionPolicy const & policy) = 0;
+  virtual void Enqueue(
+    int process_id,
+    Action & action,
+    embb::mtapi::ExecutionPolicy const & policy) = 0;
   virtual void WaitForSlice(int slice) = 0;
   virtual int GetSlices() = 0;
 };

dataflow_cpp/include/embb/dataflow/internal/scheduler_mtapi.h

@@ -96,14 +96,25 @@ class SchedulerMTAPI : public Scheduler {
     embb::base::Allocation::Free(group_);
     embb::base::Allocation::Free(queue_);
   }
-  virtual void Start(Action & action) {
+  virtual void Start(
+    Action & action,
+    embb::mtapi::ExecutionPolicy const & policy) {
     const int idx = action.GetClock() % slices_;
-    group_[idx].Start(job_, &action, static_cast<void*>(NULL));
+    embb::mtapi::TaskAttributes task_attr;
+    task_attr.SetPolicy(policy);
+    group_[idx].Start(job_, &action, static_cast<void*>(NULL),
+      task_attr);
   }
-  virtual void Enqueue(int process_id, Action & action) {
+  virtual void Enqueue(
+    int process_id,
+    Action & action,
+    embb::mtapi::ExecutionPolicy const & policy) {
     const int idx = action.GetClock() % slices_;
     const int queue_id = process_id % queue_count_;
-    queue_[queue_id].Enqueue(&action, static_cast<void*>(NULL), group_[idx]);
+    embb::mtapi::TaskAttributes task_attr;
+    task_attr.SetPolicy(policy);
+    queue_[queue_id].Enqueue(&action, static_cast<void*>(NULL),
+      task_attr, group_[idx]);
   }
   virtual void WaitForSlice(int slice) {
     group_[slice].WaitAll(MTAPI_INFINITE);

dataflow_cpp/include/embb/dataflow/internal/scheduler_sequential.h

@@ -38,10 +38,15 @@ class SchedulerSequential : public Scheduler {
  public:
   SchedulerSequential() {}
   virtual ~SchedulerSequential() {}
-  virtual void Start(Action & action) {
+  virtual void Start(
+    Action & action,
+    embb::mtapi::ExecutionPolicy const &) {
     action.RunSequential();
   }
-  virtual void Enqueue(int, Action & action) {
+  virtual void Enqueue(
+    int,
+    Action & action,
+    embb::mtapi::ExecutionPolicy const &) {
     action.RunSequential();
   }
   virtual void WaitForSlice(int /*slice*/) {}

dataflow_cpp/include/embb/dataflow/internal/sink.h

@@ -113,7 +113,7 @@ class Sink< Inputs<I1, I2, I3, I4, I5> >
           for (int ii = clk; ii < clk_res; ii++) {
             const int idx = ii % slices_;
             action_[idx] = Action(this, ii);
-            sched_->Enqueue(queue_id_, action_[idx]);
+            sched_->Enqueue(queue_id_, action_[idx], policy_);
           }
           queued_clock_.Store(clk_res);
           retry = false;