[Tarantool-patches] [PATCH v5 5/8] refactoring: clear triggers from fresh exceptions

[Ilya Kosarev <i.kosarev@tarantool.org>]

Clear triggers from freshly occured exceptions. Trivial replacements:
`diag_raise` by `return -1`, _xc function by it's non _xc version.

Part of #4247
---
 src/box/alter.cc  | 3 ++-
 src/lua/trigger.c | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/box/alter.cc b/src/box/alter.cc
index 2628e1401..4b3bbca31 100644
--- a/src/box/alter.cc
+++ b/src/box/alter.cc
@@ -5468,7 +5468,8 @@ on_replace_dd_ck_constraint(struct trigger * /* trigger*/, void *event)
 			if (old_def->language == ck_def->language &&
 			    strcmp(old_def->expr_str, ck_def->expr_str) == 0) {
 				old_def->is_enabled = ck_def->is_enabled;
-				trigger_run_xc(&on_alter_space, space);
+				if (trigger_run(&on_alter_space, space) != 0)
+					return -1;
 				return 0;
 			}
 		}
diff --git a/src/lua/trigger.c b/src/lua/trigger.c
index b1473bcc1..d588fc12c 100644
--- a/src/lua/trigger.c
+++ b/src/lua/trigger.c
@@ -79,7 +79,7 @@ lbox_trigger_run(struct trigger *ptr, void *event)
 	if (fiber()->storage.lua.stack == NULL) {
 		L = luaT_newthread(tarantool_L);
 		if (L == NULL)
-			diag_raise();
+			return -1;
 		coro_ref = luaL_ref(tarantool_L, LUA_REGISTRYINDEX);
 	} else {
 		L = fiber()->storage.lua.stack;
-- 
2.17.1