diff options
| -rw-r--r-- | util/async.lua | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/util/async.lua b/util/async.lua index ece589cb..2830238f 100644 --- a/util/async.lua +++ b/util/async.lua @@ -73,7 +73,7 @@ local function runner_continue(thread) return true; end -local function waiter(num) +local function waiter(num, allow_many) local thread = checkthread(); num = num or 1; local waiting; @@ -85,7 +85,7 @@ local function waiter(num) num = num - 1; if num == 0 and waiting then runner_continue(thread); - elseif num < 0 then + elseif not allow_many and num < 0 then error("done() called too many times"); end end; |