From 5b2cf57955a81760994147720504339413d91aa9 Mon Sep 17 00:00:00 2001
From: alegrand <alegrand@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Tue, 29 Mar 2005 23:43:29 +0000
Subject: [PATCH] Avoid segfault or infinite loop when calling this function
 from somewhere else than a MSG process...

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@1186 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---
 src/gras/Virtu/sg_dns.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gras/Virtu/sg_dns.c b/src/gras/Virtu/sg_dns.c
index 1d67ee49ae..0f7cfa927f 100644
--- a/src/gras/Virtu/sg_dns.c
+++ b/src/gras/Virtu/sg_dns.c
@@ -11,5 +11,9 @@
 #include "gras/Virtu/virtu_sg.h"
 
 const char *gras_os_myname(void) {
+  m_process_t process = MSG_process_self();
+  if ((process != NULL) && (process->simdata))
    return MSG_host_get_name(MSG_host_self());
+  else 
+    return "";
 }
-- 
2.20.1