set the current directory before trying to exec/dump the binary

This commit was SVN r6562.

orte/mca/pls/bproc_seed/pls_bproc_seed.c

@@ -110,6 +110,7 @@ static int orte_pls_bproc_dump(orte_app_context_t* app, uint8_t** image, size_t*
 
     if (pid == 0) {
         close(pfd[0]);  /* close the read end - we are write only */
+        chdir(app->cwd);
         bproc_execdump(pfd[1], BPROC_DUMP_EXEC | BPROC_DUMP_OTHER, app->app, app->argv, app->env);
         exit(0);
     }
@@ -156,6 +157,11 @@ static int orte_pls_bproc_dump(orte_app_context_t* app, uint8_t** image, size_t*
     *image = image_buffer;
     *image_len = tot_offset;
 
+    if(tot_offset == 0) {
+        rc = ORTE_ERR_OUT_OF_RESOURCE;
+        goto cleanup;
+    }
+
 cleanup:
     close(pfd[0]);
     waitpid(pid,0,0);
@@ -219,7 +225,7 @@ static int orte_pls_bproc_undump(
         }
 
         bproc_undump(p_image[0]);  /* child is now executing */
-        opal_output(0, "orte_pls_bproc: bproc_undump failed errno=%d\n", errno);
+        opal_output(0, "orte_pls_bproc: bproc_undump(%d) failed errno=%d\n", p_image[0], errno);
         exit(1);
     }