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303 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 01747f2c24 error message: "tag method" -> "metamethod" 2011-12-02 11:18:41 -02:00
Roberto Ierusalimschy 217b65e6d9 avoid some warnings about converting 32-bit shifts into 64-bit results 2011-11-28 15:25:48 -02:00
Roberto Ierusalimschy 788a0ecd27 'luaC_separateudata' renamed to 'separatetobefnz' and called only 
from 'lgc.c'
 2011-10-03 14:54:25 -03:00
Roberto Ierusalimschy bc90cf4b83 retraverse all gray lists together to avoid traversing some weak 
tables twice (as they may change lists when traversed)
 2011-10-03 13:22:05 -03:00
Roberto Ierusalimschy 87912786af dead objects are not collectable. 2011-09-24 18:12:01 -03:00
Roberto Ierusalimschy 95ed6c1127 better(?) scheme for cleaning weak tables; all ressurected objects 
are removed from weak values before finalization
 2011-09-24 18:00:40 -03:00
Roberto Ierusalimschy 45c346645c avoid clearing ephemeron tables that have nothing to be cleaned 
(no white elements)
 2011-09-19 14:03:38 -03:00
Roberto Ierusalimschy 74b0bb3a45 macro 'checkconsistency' moved to this file, as it is used only 
here
 2011-05-05 16:42:25 -03:00
Roberto Ierusalimschy 868ff40339 full collection does not restart collector + avoid changing GC 
state if an error happens in a step
 2010-12-29 16:00:23 -02:00
Roberto Ierusalimschy 551b076f1c change in the relationship between totalbytes and GCdebt - luaM_realloc_ 
is too critical to update two counters
 2010-12-20 17:40:07 -02:00
Roberto Ierusalimschy 737f119187 better control for GC running or stopped 2010-12-20 16:17:46 -02:00
Roberto Ierusalimschy 350cc4bcb6 'micro' bug: when closing state, old objects are finalized (breaking 
assertion)
 2010-12-03 09:48:25 -02:00
Roberto Ierusalimschy 9b7a12c46d finalizers (__gc) for tables 2010-11-26 12:32:31 -02:00
Roberto Ierusalimschy 4590a89b32 corrected warnings from different compilers (mostly casts and small 
details)
 2010-10-25 17:01:37 -02:00
Roberto Ierusalimschy 6828f6d427 new parameter 'majorinc' to control frequency of major collections 
in generational mode
 2010-09-03 11:14:01 -03:00
Roberto Ierusalimschy a71c5f6f53 typo in comments 2010-06-30 11:11:17 -03:00
Roberto Ierusalimschy d9ea6eca7c macro 'key2tal' replaced by 'gkey' (as both were equal) 2010-06-25 09:18:10 -03:00
Roberto Ierusalimschy fabe4ec487 better barrier for prototypes 2010-06-07 13:55:34 -03:00
Roberto Ierusalimschy 575074fd85 Lua closures are cached for reuse 2010-06-04 10:25:10 -03:00
Roberto Ierusalimschy e94fac8956 bug: generational collection was not running collector! (must write 
a test for this...)
 2010-06-02 15:36:58 -03:00
Roberto Ierusalimschy 3d45a8eb1c really stop collection during finalizers 2010-05-17 17:39:31 -03:00
Roberto Ierusalimschy 4fd76b8148 avoid "strong" cast 2010-05-11 17:49:26 -03:00
Roberto Ierusalimschy 1c1a98e872 corrected some places where an old object could end up in front 
of a new one + minimal documentation about this problem
 2010-05-10 15:23:45 -03:00
Roberto Ierusalimschy c006f085d9 new macro 'resetoldbit' 2010-05-10 13:46:49 -03:00
Roberto Ierusalimschy de97177744 avoid 'else assert' (which may result in an empty else) 2010-05-07 15:43:24 -03:00
Roberto Ierusalimschy 0fac33da9e bug: incremental sweep was not cleaning old bits (as it stopped in the 
first old object) + bug: moving udata to 'udgc' list might put old
object in front a new one + some new macros + generational mode may
be in 'pause' state (it just skips 'markroot')
 2010-05-07 15:19:36 -03:00
Roberto Ierusalimschy 25951e0ea5 some cleaning in 'sweeplist' (threads do not need to be traversed 
if they are going to be collected + use of bit masks to unify
differences in generational and incremental modes)
 2010-05-06 15:18:07 -03:00
Roberto Ierusalimschy d2ea5b00b7 new function 'luaC_changemode' + 
bug: objects entering the 'allgc' list must have their OLDBIT cleared
(upvalues being cleared) + bug: in 'checkSizes', KGC_EMERGENCY is
stored in 'gckind' field, not in 'gcstate' + current white changes when
entering sweep phase (so there are dead objects only in that phase)
 2010-05-05 15:58:36 -03:00
Roberto Ierusalimschy 7444b5a1d5 better documentation of GC costs 2010-05-05 10:39:58 -03:00
Roberto Ierusalimschy 3e662cec89 full GC must run finalizers only after finishing everything else 
(including a return to generational mode if needed)
 2010-05-04 15:09:06 -03:00
Roberto Ierusalimschy aa73403ba4 no need of a KGC_FORCED collection kind; it has the same behavior of 
a normal collection
 2010-05-03 14:39:48 -03:00
Roberto Ierusalimschy 0c27de2e7b no more 'finalize' phase in GC; finalizers are called along the 
entire cycle
 2010-05-03 14:33:39 -03:00
Roberto Ierusalimschy d25f7f9d78 items in 'tobefnz' are kept black (as before recent change) and changed 
to white only when needed (being moved to 'allgc' when not keeping
invariant).
 2010-05-03 08:55:40 -03:00
Roberto Ierusalimschy 4d871ee973 "gray lists" only need to be valid when 'keepinvariant' is true 2010-04-30 15:37:14 -03:00
Roberto Ierusalimschy 23001d8607 nasty GC bug: upvalue must be turned white when not keeping invariant, 
but barrier was not being called when uv->v were already white.
 2010-04-29 18:43:36 -03:00
Roberto Ierusalimschy aaa5d7adab 'luaC_linkupval' moved into 'lfunc.c' code + new way to control GC speed 2010-04-29 14:32:40 -03:00
Roberto Ierusalimschy 00114a95b2 lots of new comments + small changes in loop controls + other small 
"janitor work"
 2010-04-26 14:58:00 -03:00
Roberto Ierusalimschy 4aaf0ef75c "to-be-finalized" objects marked and sweeped like all other objects 2010-04-20 17:15:30 -03:00
Roberto Ierusalimschy d20ff60615 new macro LUA_NUMTAGS 2010-04-12 13:07:29 -03:00
Roberto Ierusalimschy a09c8d7beb cannot sweep main thread in sweepstring phase 2010-04-05 11:15:35 -03:00
Roberto Ierusalimschy e54668b696 added proper code to trace garbage collection 2010-04-02 11:37:41 -03:00
Roberto Ierusalimschy a8d3aa14fd global table now is only kept in the registry 2010-03-29 14:43:14 -03:00
Roberto Ierusalimschy 064e406f67 no more fenvs! 2010-03-26 17:58:11 -03:00
Roberto Ierusalimschy 5c87f61e6b major collections in generational mode 2010-03-25 16:37:23 -03:00
Roberto Ierusalimschy 3aa9598177 'mainthread' is not inserted in the 'allgc' list anymore, but swept 
separately.
 2010-03-25 10:06:36 -03:00
Roberto Ierusalimschy 64d39ed1b6 generational mode no longer sweep old objects 2010-03-24 12:51:10 -03:00
Roberto Ierusalimschy 4433dbb5f5 userdata with finalizers are kept in a separated list ('udgc'), instead 
of at the end of 'rootgc' (which was renamed to 'allgc', as it is not
"root" in the usual meaning for collectors)
 2010-03-24 10:07:01 -03:00
Roberto Ierusalimschy 5cb128ea54 BUG: emergency collector might resize 'strt' (string table) when 
creating a new string
+ atomic and markroot steps has some cost
+ full collection must leave collector in proper state when mode
is generational
 2010-03-23 17:16:06 -03:00
Roberto Ierusalimschy 74123e9686 draft version of a generational mode for garbage collection. (Not well 
tested; no major collections; ...)
 2010-03-22 15:28:03 -03:00
Roberto Ierusalimschy f84b575cfa no more pseudoindex LUA_GLOBALSINDEX; global table now accessible 
through registry
 2009-12-22 13:32:50 -02:00