Add a new MPI_Info key to preposition OMPI libraries - implementation underway, but this just defines and passes the new key

This commit was SVN r21425.

ompi/mca/dpm/orte/dpm_orte.c

@@ -659,6 +659,12 @@ static int spawn(int count, char **array_of_commands,
                 app->preload_binary = true;
             }
             
+            /* check for 'preload_libraries' */
+            ompi_info_get_bool(array_of_info[i], "ompi_preload_libraries", &local_spawn, &flag);
+            if ( flag ) {
+                app->preload_libs = true;
+            }
+            
             /* check for 'preload_files' */ 
             ompi_info_get (array_of_info[i], "ompi_preload_files", sizeof(cwd) - 1, cwd, &flag);
             if ( flag ) {

orte/runtime/data_type_support/orte_dt_copy_fns.c

@@ -176,6 +176,7 @@ int orte_dt_copy_app_context(orte_app_context_t **dest, orte_app_context_t *src,
     }
     
     (*dest)->preload_binary = src->preload_binary;
+    (*dest)->preload_libs = src->preload_libs;
     
     if( NULL != src->preload_files) {
         (*dest)->preload_files  = strdup(src->preload_files);

orte/runtime/data_type_support/orte_dt_packing_fns.c

@@ -650,6 +650,12 @@ int orte_dt_pack_app_context(opal_buffer_t *buffer, const void *src,
             return rc;
         }
 
+        if (ORTE_SUCCESS != (rc = opal_dss_pack_buffer(buffer,
+                                    (void*)(&(app_context[i]->preload_libs)), 1, OPAL_BOOL))) {
+            ORTE_ERROR_LOG(rc);
+            return rc;
+        }
+        
         /* Pack the preload_files if we have one */
         if (NULL != app_context[i]->preload_files) {
             have_preload_files = 1;

orte/runtime/data_type_support/orte_dt_print_fns.c

@@ -554,8 +554,9 @@ int orte_dt_print_app_context(char **output, char *prefix, orte_app_context_t *s
         tmp = tmp2;
     }
     
-    asprintf(&tmp2, "%s\n%s\tPreload binary: %s\tUsed on node: %s\n%s\tPreload files dest: %s\n%s\tPreload files src dir: %s", tmp,
-             pfx2, (src->preload_binary) ? "TRUE" : "FALSE", (src->used_on_node) ? "TRUE" : "FALSE",
+    asprintf(&tmp2, "%s\n%s\tPreload binary: %s\tPreload libs: %s\tUsed on node: %s\n%s\tPreload files dest: %s\n%s\tPreload files src dir: %s", tmp,
+             pfx2, (src->preload_binary) ? "TRUE" : "FALSE", (src->preload_libs) ? "TRUE" : "FALSE",
+             (src->used_on_node) ? "TRUE" : "FALSE",
              pfx2, (NULL == src->preload_files_dest_dir) ? "NULL" : src->preload_files_dest_dir,
              pfx2, (NULL == src->preload_files_src_dir) ? "NULL" : src->preload_files_src_dir);
     free(tmp);

orte/runtime/data_type_support/orte_dt_unpacking_fns.c

@@ -717,6 +717,14 @@ int orte_dt_unpack_app_context(opal_buffer_t *buffer, void *dest,
             return rc;
         }
 
+        /* Unpack the preload_libs flag */
+        max_n=1;
+        if (ORTE_SUCCESS != (rc = opal_dss_unpack_buffer(buffer, &(app_context[i]->preload_libs),
+                                                         &max_n, OPAL_BOOL))) {
+            ORTE_ERROR_LOG(rc);
+            return rc;
+        }
+        
         /* Unpack the preload_files set */
         max_n=1;
         if (ORTE_SUCCESS != (rc = opal_dss_unpack_buffer(buffer, &have_preload_files,

orte/runtime/orte_globals.c

@@ -496,6 +496,7 @@ static void orte_app_context_destructor(orte_app_context_t* app_context)
     }
     
     app_context->preload_binary = false;
+    app_context->preload_libs = false;
 
     if(NULL != app_context->preload_files) {
         free(app_context->preload_files);

orte/runtime/orte_globals.h

@@ -171,6 +171,8 @@ typedef struct {
     char *prefix_dir;
     /** Preload the binary on the remote machine (in PLM via FileM) */
     bool preload_binary;
+    /** Preload the libraries on the remote machine (in PLM via FileM) */
+    bool preload_libs;
     /** Preload the comma separated list of files to the remote machines cwd */
     char * preload_files;
     /** Destination directory for the preloaded files