1 files changed, 12 insertions, 2 deletions

diff --git a/src/llthread.c b/src/llthread.c
index c78d766..66efe7c 100644
--- a/src/llthread.c
+++ b/src/llthread.c
@@ -98,11 +98,17 @@ typedef pthread_t os_thread_t;
 
 #define LLTHREAD_OPEN_NAME LLTHREAD_OPEN_NAME_IMPL(LLTHREAD_MODULE_NAME)
 
+#define LLTHREAD_STRINGIFY(x) #x
+#define LLTHREAD_TOSTRING(x) LLTHREAD_STRINGIFY(x)
+#define LLTHREAD_MODULE_NAME_STRING LLTHREAD_TOSTRING(LLTHREAD_MODULE_NAME)
+
+
 LLTHREADS_EXPORT_API int LLTHREAD_OPEN_NAME(lua_State *L);
 
 #define LLTHREAD_NAME "LLThread"
 static const char *LLTHREAD_TAG = LLTHREAD_NAME;
 static const char *LLTHREAD_LOGGER_HOLDER = LLTHREAD_NAME " logger holder";
+static const char* LLTHREAD_INTERRUPTED_ERROR = LLTHREAD_MODULE_NAME_STRING ": thread was interrupted";
 
 typedef struct llthread_child_t {
   lua_State  *L;
@@ -697,11 +703,11 @@ static int l_llthread_new(lua_State *L) {
 static void llthread_interrupt1(lua_State *L, lua_Debug *ar) {
   (void)ar;  /* unused arg. */
   lua_sethook(L, NULL, 0, 0);  /* reset hook */
-  luaL_error(L, "interrupted!");
+  luaL_error(L, LLTHREAD_INTERRUPTED_ERROR);
 }
 static void llthread_interrupt2(lua_State *L, lua_Debug *ar) {
   (void)ar;  /* unused arg. */
-  luaL_error(L, "interrupted!");
+  luaL_error(L, LLTHREAD_INTERRUPTED_ERROR);
 }
 
 static int l_llthread_interrupt(lua_State *L) {
@@ -796,5 +802,9 @@ LLTHREADS_EXPORT_API int LLTHREAD_OPEN_NAME(lua_State *L) {
   l_llthread_push_version(L);
   lua_rawset(L, -3);
 
+  lua_pushliteral(L, "interrupted_error");
+  lua_pushstring(L, LLTHREAD_INTERRUPTED_ERROR);
+  lua_rawset(L, -3);
+  
   return 1;
 }