From: Christian Heinrich <franz-christian.heinrich@inria.fr>
Date: Thu, 15 Mar 2018 09:49:58 +0000 (+0100)
Subject: [SMPI] Fix mmap bug
X-Git-Tag: v3.19~43
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/7f2bec6d72bb1517aee9ff916521c596f291fd1c?ds=inline

[SMPI] Fix mmap bug

The wrong actor was used (the +1 was from the transition to the
pid-based approach) and that one wasn't initialized yet
---

diff --git a/src/smpi/internals/smpi_memory.cpp b/src/smpi/internals/smpi_memory.cpp
index 3556def61b..a6ca132808 100644
--- a/src/smpi/internals/smpi_memory.cpp
+++ b/src/smpi/internals/smpi_memory.cpp
@@ -117,7 +117,7 @@ void smpi_really_switch_data_segment(int dest)
 
 #if HAVE_PRIVATIZATION
   // FIXME, cross-process support (mmap across process when necessary)
-  simgrid::smpi::Process* process = smpi_process_remote(simgrid::s4u::Actor::byPid(dest+1));
+  simgrid::smpi::Process* process = smpi_process_remote(simgrid::s4u::Actor::byPid(dest));
   int current                     = process->privatized_region()->file_descriptor;
   XBT_DEBUG("Switching data frame to the one of process %d", dest);
   void* tmp =