Remove unnecessary usleep() from a couple of module unload callbacks.

In passing, also tweak cdr_unregister() to hold the list lock a bit less time.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@202109 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cdr/cdr_adaptive_odbc.c

@@ -663,7 +663,6 @@ early_release:
 static int unload_module(void)
 {
 	ast_cdr_unregister(name);
-	usleep(1);
 	if (AST_RWLIST_WRLOCK(&odbc_tables)) {
 		ast_cdr_register(name, ast_module_info->description, odbc_log);
 		ast_log(LOG_ERROR, "Unable to lock column list.  Unload failed.\n");

cdr/cdr_pgsql.c

@@ -331,10 +331,9 @@ static int pgsql_log(struct ast_cdr *cdr)
 static int unload_module(void)
 {
 	struct columns *current;
+
 	ast_cdr_unregister(name);
 
-	/* Give all threads time to finish */
-	usleep(1);
 	PQfinish(conn);
 
 	if (pghostname)

main/cdr.c

@@ -148,13 +148,16 @@ void ast_cdr_unregister(const char *name)
 	AST_RWLIST_TRAVERSE_SAFE_BEGIN(&be_list, i, list) {
 		if (!strcasecmp(name, i->name)) {
 			AST_RWLIST_REMOVE_CURRENT(list);
-			ast_verb(2, "Unregistered '%s' CDR backend\n", name);
-			ast_free(i);
 			break;
 		}
 	}
 	AST_RWLIST_TRAVERSE_SAFE_END;
 	AST_RWLIST_UNLOCK(&be_list);
+
+	if (i) {
+		ast_verb(2, "Unregistered '%s' CDR backend\n", name);
+		ast_free(i);
+	}
 }
 
 int ast_cdr_isset_unanswered(void)