Files
vgstation13/code/controllers/garbage.dm
2014-07-03 10:25:54 -08:00

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#define GC_COLLECTIONS_PER_TICK 300 // Was 100.
#define GC_COLLECTION_TIMEOUT (10 SECONDS)
#define GC_FORCE_DEL_PER_TICK 20
//#define GC_DEBUG
var/list/meowww = new
var/datum/garbage_collector/garbageCollector
/client/verb/bwoink()
set name = "bwoink"
set desc = "bwoink"
set category = "Debug"
for(var/A in meowww)
usr << A
/datum/garbage_collector
var/list/queue = new
var/del_everything = 0
// To let them know how hardworking am I :^).
var/dels_count = 0
var/hard_dels = 0
var/processing = 1
/datum/garbage_collector/proc/addTrash(const/datum/D)
if(!D)
return
if(del_everything)
del(D)
hard_dels++
dels_count++
return
if(!istype(D, /atom/movable))
del(D)
hard_dels++
dels_count++
return
var/atom/movable/AM = D
var/timeofday = world.timeofday
AM.timeDestroyed = timeofday
queue -= "\ref[AM]"
queue["\ref[AM]"] = timeofday
/datum/garbage_collector/proc/process()
if(processing)
var/remainingCollectionPerTick = GC_COLLECTIONS_PER_TICK
var/remainingForceDelPerTick = GC_FORCE_DEL_PER_TICK
var/collectionTimeScope = world.timeofday - GC_COLLECTION_TIMEOUT
while(queue.len && --remainingCollectionPerTick >= 0)
var/refID = queue[1]
var/destroyedAtTime = queue[refID]
if(destroyedAtTime > collectionTimeScope)
break
var/atom/movable/A = locate(refID)
// Something's still referring to the qdel'd object. Kill it.
if(A && A.timeDestroyed == destroyedAtTime)
if(remainingForceDelPerTick <= 0)
break
#ifdef GC_DEBUG
WARNING("gc process force delete [A.type]")
#endif
meowww |= "[A.type]"
del(A)
hard_dels++
remainingForceDelPerTick--
queue.Cut(1, 2)
dels_count++
#ifdef GC_DEBUG
#undef GC_DEBUG
#endif
#undef GC_FORCE_DEL_PER_TICK
#undef GC_COLLECTION_TIMEOUT
#undef GC_COLLECTIONS_PER_TICK
/proc/qdel(const/O)
if (!O)
return
if (!garbageCollector)
del(O)
return
if (!istype(O, /datum))
del(O)
garbageCollector.hard_dels++
garbageCollector.dels_count++
return
var/datum/D = O
if (isnull(D.gcDestroyed))
// Let our friend know they're about to get fucked up.
D.Destroy()
garbageCollector.addTrash(D)
/datum
// Garbage collection (qdel).
var/gcDestroyed
/datum/controller
var/processing = 0
var/iteration = 0
var/processing_interval = 0
/datum/controller/proc/recover() // If we are replacing an existing controller (due to a crash) we attempt to preserve as much as we can.
/datum/controller/New()
. = ..()
tag = "[type]:NOGC"
/datum/Del()
// Pass to Destroy().
if(isnull(gcDestroyed))
Destroy()
sleep(-1)
..()
/*
* Like Del(), but for qdel.
* Called BEFORE qdel moves shit.
*/
/datum/proc/Destroy()
tag = null
gcDestroyed = "Bye world!"
/client/proc/qdel_toggle()
set name = "Toggle qdel Behavior"
set desc = "Toggle qdel usage between normal and force del()."
set category = "Debug"
garbageCollector.del_everything = !garbageCollector.del_everything
world << "<b>GC: qdel turned [garbageCollector.del_everything ? "off" : "on"].</b>"
log_admin("[key_name(usr)] turned qdel [garbageCollector.del_everything ? "off" : "on"].")
message_admins("\blue [key_name(usr)] turned qdel [garbageCollector.del_everything ? "off" : "on"].", 1)