Add an mca param to indicate if orte progress threads are to be enabled. Error out if this is given and libevent thread support was not built.

This commit was SVN r24089.

orte/runtime/orte_globals.c

@@ -183,6 +183,9 @@ orte_default_comm_fn_t orte_comm;
 bool orte_report_child_jobs_separately;
 struct timeval orte_child_time_to_exit;
 
+/* orte progress threads */
+bool orte_progress_threads_enabled;
+
 #endif /* !ORTE_DISABLE_FULL_RTE */
 
 int orte_debug_output = -1;

orte/runtime/orte_globals.h

@@ -719,6 +719,9 @@ ORTE_DECLSPEC int orte_global_comm(orte_process_name_t *recipient,
 ORTE_DECLSPEC extern bool orte_report_child_jobs_separately;
 ORTE_DECLSPEC extern struct timeval orte_child_time_to_exit;
 
+/* orte progress threads */
+ORTE_DECLSPEC extern bool orte_progress_threads_enabled;
+
 #endif /* ORTE_DISABLE_FULL_SUPPORT */
 
 END_C_DECLS

orte/runtime/orte_mca_params.c

@@ -115,7 +115,7 @@ int orte_register_params(void)
                                 "Verbosity level for ORTE debug messages (default: 1)",
                                 false, false, -1, &orte_debug_verbosity);
     
-   mca_base_param_reg_int_name("orte", "debug_daemons",
+    mca_base_param_reg_int_name("orte", "debug_daemons",
                                 "Whether to debug the ORTE daemons or not",
                                 false, false, (int)false, &value);
     orte_debug_daemons_flag = OPAL_INT_TO_BOOL(value);
@@ -125,7 +125,7 @@ int orte_register_params(void)
                                 false, false, (int)false, &value);
     orte_debug_daemons_file_flag = OPAL_INT_TO_BOOL(value);
     /* If --debug-daemons-file was specified, that also implies
-        --debug-daemons */
+       --debug-daemons */
     if (orte_debug_daemons_file_flag) {
         orte_debug_daemons_flag = true;
     }
@@ -239,9 +239,9 @@ int orte_register_params(void)
     
 #ifdef __WINDOWS__
     mca_base_param_reg_string_name("orte", "ccp_headnode",
-                          "Name of the cluster head node. (For Windows CCP only.)",
-                          false, false,
-                          NULL, &orte_ccp_headnode);
+                                   "Name of the cluster head node. (For Windows CCP only.)",
+                                   false, false,
+                                   NULL, &orte_ccp_headnode);
 #endif
     
     /* whether or not to keep FQDN hostnames */
@@ -396,10 +396,10 @@ int orte_register_params(void)
     /* binding specification - this will be overridden by any cmd line directive, and
      * ignored unless opal_paffinity_alone is set
      */
-	mca_base_param_reg_string_name("orte", "process_binding",
-						     "Policy for binding processes [none | core | socket | board] (supported qualifier: if-avail)",
-						     false, false, NULL, &strval);
-	if (NULL != strval) {
+    mca_base_param_reg_string_name("orte", "process_binding",
+                                   "Policy for binding processes [none | core | socket | board] (supported qualifier: if-avail)",
+                                   false, false, NULL, &strval);
+    if (NULL != strval) {
         if (0 == strcasecmp(strval, "none")) {
             /* no binding */
             ORTE_SET_BINDING_POLICY(ORTE_BIND_TO_NONE);
@@ -515,6 +515,22 @@ int orte_register_params(void)
     orte_child_time_to_exit.tv_sec = value;
     orte_child_time_to_exit.tv_usec = 0;
     
+    mca_base_param_reg_int_name("orte", "enable_progress_threads",
+                                "Enable the use of progress threads in ORTE",
+                                false, false,
+                                (int)false, &value);
+    orte_progress_threads_enabled = OPAL_INT_TO_BOOL(value);
+    if (!OPAL_EVENT_HAVE_THREAD_SUPPORT && orte_progress_threads_enabled) {
+        opal_output(orte_clean_output,
+                    "------------------------------------------------------------------\n"
+                    "The MCA param orte_progress_threads_enabled was set to true, but\n"
+                    "the required thread support was not configured and built into the\n"
+                    "event library. Please either do not enable progress threads, or\n"
+                    "reconfigure the event library with --enable-event-thread-support\n"
+                    "------------------------------------------------------------------");
+        exit(1);
+    }
+ 
 #endif /* ORTE_DISABLE_FULL_SUPPORT */
     
     return ORTE_SUCCESS;