X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f8cc796d4887f187e4cf49b10d53415afc56025a..ea74f5d95928a521a588737e81f1de94eef25d19:/src/mc/remote/Channel.cpp

diff --git a/src/mc/remote/Channel.cpp b/src/mc/remote/Channel.cpp
index cfbf71565b..43ace95034 100644
--- a/src/mc/remote/Channel.cpp
+++ b/src/mc/remote/Channel.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2021. The SimGrid Team.
+/* Copyright (c) 2015-2022. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -8,9 +8,10 @@
 #include <xbt/log.h>
 
 #include <cerrno>
-#include <unistd.h>
+#include <cstring>
 #include <sys/socket.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_Channel, mc, "MC interprocess communication");
 
@@ -28,8 +29,10 @@ int Channel::send(const void* message, size_t size) const
 {
   XBT_DEBUG("Send %s", to_c_str(*(MessageType*)message));
   while (::send(this->socket_, message, size, 0) == -1) {
-    if (errno != EINTR)
+    if (errno != EINTR) {
+      XBT_ERROR("Channel::send failure: %s", strerror(errno));
       return errno;
+    }
   }
   return 0;
 }
@@ -39,6 +42,8 @@ ssize_t Channel::receive(void* message, size_t size, bool block) const
   ssize_t res = recv(this->socket_, message, size, block ? 0 : MSG_DONTWAIT);
   if (res != -1)
     XBT_DEBUG("Receive %s", to_c_str(*(MessageType*)message));
+  else
+    XBT_ERROR("Channel::receive failure: %s", strerror(errno));
   return res;
 }
 }