[SMPI] Move process_data to map<Actor, smpi::Process>

[simgrid.git] / src / smpi / internals / smpi_memory.cpp

diff --git a/src/smpi/internals/smpi_memory.cpp b/src/smpi/internals/smpi_memory.cpp
index 8719bd5..3556def 100644 (file)
--- 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(dest);
+  simgrid::smpi::Process* process = smpi_process_remote(simgrid::s4u::Actor::byPid(dest+1));
   int current                     = process->privatized_region()->file_descriptor;
   XBT_DEBUG("Switching data frame to the one of process %d", dest);
   void* tmp =
@@ -134,8 +134,11 @@ int smpi_is_privatization_file(char* file)
   return buffer_path.compare(0, std::string::npos, file, buffer_path.length()) == 0;
 }
 
-// TODO: cheinrich: The behavior changed; this now only makes a backup of the
-// data segment. I think the function should be renamed.
+/**
+ * @brief Makes a backup of the segment in memory that stores the global variables of a process.
+ *        This backup is then used to initialize the global variables for every single
+ *        process that is added, regardless of the progress of the simulation.
+ */
 void smpi_backup_global_memory_segment()
 {
 #if HAVE_PRIVATIZATION