diff options
Diffstat (limited to 'util/async.lua')
| -rw-r--r-- | util/async.lua | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/util/async.lua b/util/async.lua index ff88ad17..b225cc72 100644 --- a/util/async.lua +++ b/util/async.lua @@ -46,7 +46,9 @@ end local function runner_continue(thread) -- ASSUMPTION: runner is in 'waiting' state (but we don't have the runner to know for sure) if coroutine.status(thread) ~= "suspended" then -- This should suffice - log("error", "unexpected async state: thread not suspended"); + log("error", "unexpected async state: thread not suspended (%s, %s)", thread, coroutine.status(thread)); + -- Fetching the traceback is likely to *crash* if a C library is calling us while suspended + --log("error", "coroutine stack: %s", debug.traceback()); return false; end local ok, state, runner = coroutine.resume(thread); @@ -198,6 +200,7 @@ function runner_mt:run(input) -- Loop through queue items, and attempt to run them for i = 1,n do local queued_input = q[i]; + self:log("Resuming thread with new item [%s]", thread); local ok, new_state = coroutine.resume(thread, queued_input); if not ok then -- There was an error running the coroutine, save the error, mark runner as ready to begin again @@ -225,7 +228,7 @@ function runner_mt:run(input) -- Runner processed all items it can, so save current runner state self.state = state; if err or state ~= self.notified_state then - self:log("debug", "changed state from %s to %s", self.notified_state, err and ("error ("..state..")") or state); + self:log("debug", "changed state from %s to %s [%s %s]", self.notified_state, err and ("error ("..state..")") or state, self.thread, self.thread and coroutine.status(self.thread)); if err then state = "error" else |