Use ssize_t as return type for Comm::wait_any.

[simgrid.git] / examples / cpp / comm-serialize / s4u-comm-serialize.cpp

diff --git a/examples/cpp/comm-serialize/s4u-comm-serialize.cpp b/examples/cpp/comm-serialize/s4u-comm-serialize.cpp
index 41e4433..6afc554 100644 (file)
--- a/examples/cpp/comm-serialize/s4u-comm-serialize.cpp
+++ b/examples/cpp/comm-serialize/s4u-comm-serialize.cpp
@@ -80,7 +80,7 @@ public:
       pending_comms.emplace_back(mbox->get_async<std::string>(pending_msgs[i].get()));
     }
     while (not pending_comms.empty()) {
-      int index        = sg4::Comm::wait_any(pending_comms);
+      ssize_t index    = sg4::Comm::wait_any(pending_comms);
       std::string* msg = *pending_msgs[index];
       XBT_INFO("I got '%s'.", msg->c_str());
       /* cleanup memory and remove from vectors */