[s4u] Add a header file with forward declarations

[simgrid.git] / include / simgrid / s4u / mailbox.hpp

diff --git a/include/simgrid/s4u/mailbox.hpp b/include/simgrid/s4u/mailbox.hpp
index 77390cf..1962201 100644 (file)
--- a/include/simgrid/s4u/mailbox.hpp
+++ b/include/simgrid/s4u/mailbox.hpp
@@ -8,13 +8,13 @@
 
 #include <boost/unordered_map.hpp>
 
-#include "actor.hpp"
+#include <xbt/base.h>
+#include <simgrid/s4u/forward.hpp>
+#include <simgrid/s4u/actor.hpp>
 
 namespace simgrid {
 namespace s4u {
 
-class Comm;
-
 /** @brief Mailboxes
  *
  * Rendez-vous point for network communications, similar to URLs on which you could post and retrieve data.
@@ -22,7 +22,7 @@ class Comm;
  * You can access any mailbox without any latency. The network delay are only related to the location of the
  * sender and receiver.
  */
-class Mailbox {
+XBT_PUBLIC_CLASS Mailbox {
        friend Comm;
 
 private: