From ab5892145873c4600038ad2561a9800f994e4c35 Mon Sep 17 00:00:00 2001
From: Frederic Suter <frederic.suter@cc.in2p3.fr>
Date: Sun, 23 Feb 2020 17:03:40 +0100
Subject: [PATCH] add sg_comm_test

---
 include/simgrid/comm.h | 1 +
 src/s4u/s4u_Comm.cpp   | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/simgrid/comm.h b/include/simgrid/comm.h
index 3742c42984..e63067614f 100644
--- a/include/simgrid/comm.h
+++ b/include/simgrid/comm.h
@@ -12,6 +12,7 @@
 /* C interface */
 SG_BEGIN_DECL
 
+XBT_PUBLIC int sg_comm_test(sg_comm_t comm);
 XBT_PUBLIC void sg_comm_wait_all(sg_comm_t* comms, size_t count);
 XBT_PUBLIC int sg_comm_wait_any_for(sg_comm_t* comms, size_t count, double timeout);
 XBT_PUBLIC int sg_comm_wait_any(sg_comm_t* comms, size_t count);
diff --git a/src/s4u/s4u_Comm.cpp b/src/s4u/s4u_Comm.cpp
index 33c613e69a..c2dc1f13e9 100644
--- a/src/s4u/s4u_Comm.cpp
+++ b/src/s4u/s4u_Comm.cpp
@@ -255,6 +255,11 @@ Actor* Comm::get_sender() const
 } // namespace s4u
 } // namespace simgrid
 /* **************************** Public C interface *************************** */
+int sg_comm_test(sg_comm_t comm)
+{
+  return comm->test();
+}
+
 void sg_comm_wait_all(sg_comm_t* comms, size_t count)
 {
   std::vector<simgrid::s4u::CommPtr> s4u_comms;
-- 
2.20.1