From f2236ed8987d2350cba5d839b6420e53968b6225 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Sat, 23 Apr 2016 22:20:29 +0200
Subject: [PATCH 1/1] populate s4u::mailbox

The evil plan is to use that instead of smx_mailbox_t
---
 include/simgrid/forward.h       | 10 +++++++---
 include/simgrid/s4u/mailbox.hpp |  5 +++++
 src/s4u/s4u_mailbox.cpp         | 11 +++++++++++
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/include/simgrid/forward.h b/include/simgrid/forward.h
index b1eab3a6e3..549c031112 100644
--- a/include/simgrid/forward.h
+++ b/include/simgrid/forward.h
@@ -13,6 +13,7 @@ namespace simgrid {
   namespace s4u {
     class As;
     class Host;
+    class Mailbox;
   }
   namespace surf {
     class Resource;
@@ -26,8 +27,9 @@ namespace simgrid {
   }
 }
 
-typedef simgrid::s4u::Host simgrid_Host;
 typedef simgrid::s4u::As simgrid_As;
+typedef simgrid::s4u::Host simgrid_Host;
+typedef simgrid::s4u::Mailbox simgrid_Mailbox;
 typedef simgrid::surf::Cpu surf_Cpu;
 typedef simgrid::surf::NetCard surf_NetCard;
 typedef simgrid::surf::Link Link;
@@ -36,8 +38,9 @@ typedef simgrid::trace_mgr::trace tmgr_Trace;
 
 #else
 
-typedef struct simgrid_Host simgrid_Host;
 typedef struct simgrid_As   simgrid_As;
+typedef struct simgrid_Host simgrid_Host;
+typedef struct simgrid_Mailbox simgrid_Mailbox;
 typedef struct surf_Cpu surf_Cpu;
 typedef struct surf_NetCard surf_NetCard;
 typedef struct surf_Resource surf_Resource;
@@ -45,8 +48,9 @@ typedef struct Link Link;
 typedef struct Trace tmgr_Trace;
 #endif
 
-typedef simgrid_Host* sg_host_t;
 typedef simgrid_As *AS_t;
+typedef simgrid_Host* sg_host_t;
+typedef simgrid_Mailbox* sg_mbox_t;
 
 typedef surf_Cpu *surf_cpu_t;
 typedef surf_NetCard *sg_netcard_t;
diff --git a/include/simgrid/s4u/mailbox.hpp b/include/simgrid/s4u/mailbox.hpp
index 5914a41065..2a75091cd9 100644
--- a/include/simgrid/s4u/mailbox.hpp
+++ b/include/simgrid/s4u/mailbox.hpp
@@ -38,6 +38,8 @@ protected:
 public:
   /** Retrieve the mailbox associated to the given string */
   static Mailbox *byName(const char *name);
+  /** Returns whether the mailbox contains queued communications */
+  bool empty();
 
 private:
   smx_mailbox_t inferior_;
@@ -47,4 +49,7 @@ private:
 
 #endif
 
+XBT_PUBLIC(sg_mbox_t) sg_mbox_by_name(const char*name);
+XBT_PUBLIC(int) sg_mbox_is_empty(sg_mbox_t mbox);
+
 #endif /* SIMGRID_S4U_MAILBOX_HPP */
diff --git a/src/s4u/s4u_mailbox.cpp b/src/s4u/s4u_mailbox.cpp
index 3b8c0ba51d..6e497d85be 100644
--- a/src/s4u/s4u_mailbox.cpp
+++ b/src/s4u/s4u_mailbox.cpp
@@ -36,3 +36,14 @@ s4u::Mailbox *s4u::Mailbox::byName(const char*name) {
   }
   return res;
 }
+
+bool s4u::Mailbox::empty() {
+  return nullptr == simcall_mbox_get_head(inferior_);
+}
+
+sg_mbox_t sg_mbox_by_name(const char*name){
+  return s4u::Mailbox::byName(name);
+}
+int sg_mbox_is_empty(sg_mbox_t mbox) {
+  return mbox->empty();
+}
-- 
2.20.1