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mod_cron: Allow for a small amount of timer drift

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If the timer activates a bit early then a task might be just a few
seconds short of being allowed to run. This would run such a task rather
than wait another hour.

The value 0.5% chosen so that a weekly task does not run an entire hour
earlier than last time.
This commit is contained in:
Kim Alvefur 2022-01-15 09:09:24 +01:00
parent 9767804146
commit e0e180aa9d
2 changed files with 2 additions and 2 deletions
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2
plugins/mod_cron.lua
View file

@ -40,7 +40,7 @@ function module.add_host(host_module)
function host_module.unload() active_hosts[host_module.host] = nil; end
end
local function should_run(when, last) return not last or last + periods[when] <= os.time() end
local function should_run(when, last) return not last or last + periods[when] * 0.995 <= os.time() end
local function run_task(task)
local started_at = os.time();

2
teal-src/plugins/mod_cron.tl
View file

@ -78,7 +78,7 @@ function module.add_host(host_module : moduleapi)
end
local function should_run(when : frequency, last : integer) : boolean
return not last or last + periods[when] <= os.time();
return not last or last + periods[when]*0.995 <= os.time();
end
local function run_task(task : task_spec)