From: Martin Quinson <martin.quinson@ens-rennes.fr>
Date: Mon, 14 Jan 2019 20:04:58 +0000 (+0100)
Subject: make sure that debugging msg don't cause any segfault
X-Git-Tag: v3_22~562
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/1755679a15d431fa056e086403a475f5d4d345c3?hp=b9964e3f91a54279a938c17a9ddb92d3da9ed99f

make sure that debugging msg don't cause any segfault
---

diff --git a/src/simix/ActorImpl.cpp b/src/simix/ActorImpl.cpp
index a89e3c29b2..73c1c7e9e9 100644
--- a/src/simix/ActorImpl.cpp
+++ b/src/simix/ActorImpl.cpp
@@ -23,7 +23,7 @@
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX (process)");
 
-unsigned long simix_process_maxpid = 0;
+static unsigned long simix_process_maxpid = 0;
 
 /**
  * @brief Returns the current agent.
@@ -472,8 +472,8 @@ void SIMIX_process_kill(smx_actor_t actor, smx_actor_t issuer)
     return;
   }
 
-  XBT_DEBUG("Actor '%s'@%s is killing actor '%s'@%s", issuer->get_cname(),
-            (issuer->host_ == nullptr ? "(null)" : issuer->host_->get_cname()), actor->get_cname(),
+  XBT_DEBUG("Actor '%s'@%s is killing actor '%s'@%s", issuer == nullptr ? "(null)" : issuer->get_cname(),
+            (issuer == nullptr || issuer->host_ == nullptr ? "(null)" : issuer->host_->get_cname()), actor->get_cname(),
             actor->host_->get_cname());
 
   actor->context_->iwannadie = true;