Function resume_error

3rd/lua-5.4.3/src/ldo.c:710–716

** Signal an error in the call to 'lua_resume', not in the execution ** of the coroutine itself. (Such errors should not be handled by any ** coroutine error handler and should not kill the coroutine.) */

** coroutine error handler and should not kill the coroutine.)
*/
static int resume_error (lua_State *L, const char *msg, int narg) {
  L->top -= narg;  /* remove args from the stack */
  setsvalue2s(L, L->top, luaS_new(L, msg));  /* push error message */
  api_incr_top(L);
  lua_unlock(L);
  return LUA_ERRRUN;
}


/*