mirror of
https://github.com/vgstation-coders/vgstation13.git
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129 lines
3.1 KiB
Plaintext
129 lines
3.1 KiB
Plaintext
#define GC_COLLECTIONS_PER_TICK 300 // Was 100.
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#define GC_COLLECTION_TIMEOUT (10 SECONDS)
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#define GC_FORCE_DEL_PER_TICK 20
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//#define GC_DEBUG
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var/list/gc_hard_del_types = new
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var/datum/garbage_collector/garbageCollector
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/client/verb/gc_dump_hdl()
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set name = "(GC) Hard Del List"
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set desc = "List types that are hard del()'d by the GC."
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set category = "Debug"
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for(var/A in gc_hard_del_types)
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usr << A
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/datum/garbage_collector
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var/list/queue = new
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var/del_everything = 0
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// To let them know how hardworking am I :^).
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var/dels_count = 0
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var/hard_dels = 0
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/datum/garbage_collector/proc/addTrash(const/atom/movable/AM)
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if(!istype(AM))
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return
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if(del_everything)
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del(AM)
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hard_dels++
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dels_count++
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return
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var/timeofday = world.timeofday
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AM.timeDestroyed = timeofday
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queue -= "\ref[AM]"
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queue["\ref[AM]"] = timeofday
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/datum/garbage_collector/proc/process()
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var/remainingCollectionPerTick = GC_COLLECTIONS_PER_TICK
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var/remainingForceDelPerTick = GC_FORCE_DEL_PER_TICK
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var/collectionTimeScope = world.timeofday - GC_COLLECTION_TIMEOUT
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while(queue.len && --remainingCollectionPerTick >= 0)
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var/refID = queue[1]
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var/destroyedAtTime = queue[refID]
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if(destroyedAtTime > collectionTimeScope)
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break
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var/atom/movable/AM = locate(refID)
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// Something's still referring to the qdel'd object. Kill it.
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if(AM && AM.timeDestroyed == destroyedAtTime)
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if(remainingForceDelPerTick <= 0)
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break
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#ifdef GC_DEBUG
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WARNING("gc process force delete [AM.type]")
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#endif
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gc_hard_del_types |= "[AM.type]"
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del(AM)
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hard_dels++
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remainingForceDelPerTick--
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queue.Cut(1, 2)
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dels_count++
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#ifdef GC_DEBUG
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#undef GC_DEBUG
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#endif
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#undef GC_FORCE_DEL_PER_TICK
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#undef GC_COLLECTION_TIMEOUT
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#undef GC_COLLECTIONS_PER_TICK
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/*
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* NEVER USE THIS FOR ANYTHING OTHER THAN /atom/movable
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* OTHER TYPES CANNOT BE QDEL'D BECAUSE THEIR LOC IS LOCKED OR THEY DON'T HAVE ONE.
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*/
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/proc/qdel(const/atom/movable/AM)
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if(isnull(AM))
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return
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if(isnull(garbageCollector))
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del(AM)
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return
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if(!istype(AM))
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WARNING("qdel() passed object of type [AM.type]. qdel() can only handle /atom/movable types.")
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del(AM)
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garbageCollector.hard_dels++
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garbageCollector.dels_count++
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return
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if(isnull(AM.gcDestroyed))
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// Let our friend know they're about to get fucked up.
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AM.Destroy()
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garbageCollector.addTrash(AM)
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/datum/controller
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var/processing = 0
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var/iteration = 0
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var/processing_interval = 0
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/datum/controller/proc/recover() // If we are replacing an existing controller (due to a crash) we attempt to preserve as much as we can.
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/*
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* Like Del(), but for qdel.
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* Called BEFORE qdel moves shit.
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*/
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/datum/proc/Destroy()
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del(src)
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/client/proc/qdel_toggle()
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set name = "Toggle qdel Behavior"
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set desc = "Toggle qdel usage between normal and force del()."
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set category = "Debug"
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garbageCollector.del_everything = !garbageCollector.del_everything
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world << "<b>GC: qdel turned [garbageCollector.del_everything ? "off" : "on"].</b>"
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log_admin("[key_name(usr)] turned qdel [garbageCollector.del_everything ? "off" : "on"].")
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message_admins("\blue [key_name(usr)] turned qdel [garbageCollector.del_everything ? "off" : "on"].", 1)
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