reachable: Initialize / Finalize reachable framework

Initialize the reachable framework during opal_init() and tear
it back down during opal_finalize().  The framework was never
used, so the lack of initialization didn't matter, but this is
a required step in using the framework.

Signed-off-by: Brian Barrett <bbarrett@amazon.com>

opal/runtime/opal_finalize.c

@@ -15,6 +15,8 @@
  * Copyright (c) 2013-2017 Intel, Inc. All rights reserved.
  * Copyright (c) 2016-2017 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2017      Amazon.com, Inc. or its affiliates.
+ *                         All Rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -44,6 +46,7 @@
 #include "opal/mca/memchecker/base/base.h"
 #include "opal/mca/memcpy/base/base.h"
 #include "opal/mca/backtrace/base/base.h"
+#include "opal/mca/reachable/base/base.h"
 #include "opal/mca/timer/base/base.h"
 #include "opal/mca/hwloc/base/base.h"
 #include "opal/mca/event/base/base.h"
@@ -135,6 +138,8 @@ opal_finalize(void)
     (void) mca_base_framework_close(&opal_compress_base_framework);
 #endif
 
+    (void) mca_base_framework_close(&opal_reachable_base_framework);
+
     (void) mca_base_framework_close(&opal_event_base_framework);
 
     /* close high resolution timers */

opal/runtime/opal_init.c

@@ -18,6 +18,8 @@
  * Copyright (c) 2013-2017 Intel, Inc. All rights reserved.
  * Copyright (c) 2015-2017 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2017      Amazon.com, Inc. or its affiliates.
+ *                         All Rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -49,6 +51,7 @@
 #include "opal/mca/patcher/base/base.h"
 #include "opal/mca/memcpy/base/base.h"
 #include "opal/mca/hwloc/base/base.h"
+#include "opal/mca/reachable/base/base.h"
 #include "opal/mca/timer/base/base.h"
 #include "opal/mca/memchecker/base/base.h"
 #include "opal/mca/if/base/base.h"
@@ -596,6 +599,16 @@ opal_init(int* pargc, char*** pargv)
         goto return_error;
     }
 
+    /* Load reachable framework */
+    if (OPAL_SUCCESS != (ret = mca_base_framework_open(&opal_reachable_base_framework, 0))){
+        error = "opal_reachable_base_framework";
+        goto return_error;
+    }
+    if (OPAL_SUCCESS != (ret = opal_reachable_base_select())) {
+        error = "opal_reachable_base_select";
+        goto return_error;
+    }
+
 #if OPAL_ENABLE_FT_CR    == 1
     /*
      * Initialize the compression framework