diff options
Diffstat (limited to 'util/async.lua')
-rw-r--r-- | util/async.lua | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/util/async.lua b/util/async.lua index 20397785..341128d2 100644 --- a/util/async.lua +++ b/util/async.lua @@ -53,7 +53,7 @@ local function runner_continue(thread) return false; end call_watcher(runner, "error", debug.traceback(thread, err)); - runner.state, runner.thread = "ready", nil; + runner.state = "ready"; return runner:run(); elseif state == "ready" then -- If state is 'ready', it is our responsibility to update runner.state from 'waiting'. @@ -159,6 +159,10 @@ function runner_mt:run(input) local q, thread = self.queue, self.thread; if not thread or coroutine.status(thread) == "dead" then + --luacheck: ignore 143/coroutine + if thread and coroutine.close then + coroutine.close(thread); + end self:log("debug", "creating new coroutine"); -- Create a new coroutine for this runner thread = runner_create_thread(self.func, self); @@ -246,9 +250,26 @@ local function ready() return pcall(checkthread); end +local function wait_for(promise) + local async_wait, async_done = waiter(); + local ret, err = nil, nil; + promise:next( + function (r) ret = r; end, + function (e) err = e; end) + :finally(async_done); + async_wait(); + if ret then + return ret; + else + return nil, err; + end +end + return { ready = ready; waiter = waiter; guarder = guarder; runner = runner; + wait = wait_for; -- COMPAT w/trunk pre-0.12 + wait_for = wait_for; }; |