[mc] Fix MC with the class-hierarchification of simgrid::simix::Synchro

[simgrid.git] / src / mc / AddressSpace.hpp

diff --git a/src/mc/AddressSpace.hpp b/src/mc/AddressSpace.hpp
index a5ff9b3..75fbcae 100644 (file)
--- a/src/mc/AddressSpace.hpp
+++ b/src/mc/AddressSpace.hpp
@@ -7,6 +7,7 @@
 #ifndef SIMGRID_MC_ADDRESS_SPACE_H
 #define SIMGRID_MC_ADDRESS_SPACE_H
 
+#include <cassert>
 #include <cstddef>
 #include <cstdint>
 #include <type_traits>
@@ -90,6 +91,17 @@ public:
   static constexpr ReadOptions lazy() { return ReadOptions(1); }
 };
 
+/** A value read from another process */
+template<class T>
+class Remote {
+private:
+  char buffer[sizeof(T)];
+public:
+  void*       data() { return buffer; }
+  const void* data() const { return buffer; }
+  constexpr std::size_t size() const { return sizeof(T); }
+};
+
 /** A given state of a given process (abstract base class)
  *
  *  Currently, this might either be:
@@ -126,6 +138,12 @@ public:
     this->read_bytes(buffer, sizeof(T), ptr, process_index);
   }
 
+  template<class T> inline
+  void read(Remote<T>& buffer, RemotePtr<T> ptr, int process_index = ProcessIndexAny)
+  {
+    this->read_bytes(buffer.data(), sizeof(T), ptr, process_index);
+  }
+
   /** Read a given data structure from the address space */
   template<class T> inline
   T read(RemotePtr<T> ptr, int process_index = ProcessIndexMissing)