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Paradise/code/__DEFINES/process_scheduler.dm
Krausus 61edb3eb95 Further process tweaks
- Integrates Volundr's btime library and associated process scheduler
changes.
- btime is implemented separately from the process scheduler, as precise
time measurement is also useful elsewhere.
- `TimeOfHour` is no longer internally throttled; throttling is instead
done by `SCHECK`.
- If btime's `gettime` cannot be called at world startup, an error will
be output and the world will stop.
- Retains the change to schedule processes according to game time,
rather than real time.
- Removes the (now unused) update queue files.
- Removes the process scheduler testing files.
- These are standalone tests for the process scheduler, completely
unrelated to its use in the full codebase. We never used them.
- Moves the process scheduler defines into __DEFINES.
- Makes the lighting process run once before the round starts.
- Renames `scheck` to `sleepCheck`, to ensure any code that tries to use
`scheck` will fail to compile.
- Adds `SCHECK` and `SCHECK_EVERY` macros that skip calling `sleepCheck`
entirely until a specified number of `SCHECK`s (50 by default) have been
called.
- Makes most processes iterate using their `last_object` variable,
allowing hang recovery to show the type that caused the hang.
- Makes processes output an error when they filter out a type they
refuse to process.
- Rolls the recently-added alarm subsystem into the alarm process.
- Removes the now unused subsystems code.
2015-08-08 09:07:26 -04:00

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// Process status defines
#define PROCESS_STATUS_IDLE 1
#define PROCESS_STATUS_QUEUED 2
#define PROCESS_STATUS_RUNNING 3
#define PROCESS_STATUS_MAYBE_HUNG 4
#define PROCESS_STATUS_PROBABLY_HUNG 5
#define PROCESS_STATUS_HUNG 6
// Process time thresholds
#define PROCESS_DEFAULT_HANG_WARNING_TIME 300 // 30 seconds
#define PROCESS_DEFAULT_HANG_ALERT_TIME 600 // 60 seconds
#define PROCESS_DEFAULT_HANG_RESTART_TIME 900 // 90 seconds
#define PROCESS_DEFAULT_SCHEDULE_INTERVAL 50 // 50 ticks
#define PROCESS_DEFAULT_SLEEP_INTERVAL 8 // 1/8th of a tick
// SCHECK macros
// This references src directly to work around a weird bug with try/catch
#define SCHECK_EVERY(this_many_calls) if(++src.calls_since_last_scheck >= this_many_calls) sleepCheck()
#define SCHECK SCHECK_EVERY(50)