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3f78de256e
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364 Commits

Author SHA1 Message Date
Roberto Ierusalimschy
3f78de256e no need to keep threads in a different GC list, now that there is the 
'twups' list
 2014-02-18 10:46:26 -03:00
Roberto Ierusalimschy
d764cc5522 new list 'twups' to allow traversal of upvalues from dead threads 
(+ fixed some problems with cycles involving those upvalues)
 2014-02-18 10:39:37 -03:00
Roberto Ierusalimschy
ffa96d988d field 'op' renamed to 'open' 2014-02-15 11:12:01 -02:00
Roberto Ierusalimschy
1cce3e6842 change in the way 'collectgarbage("step", size)' interprets 'size' 
(mimicking the way the GC itself behaves when Lua allocates 'size'
Kbytes)
 2014-02-14 14:43:14 -02:00
Roberto Ierusalimschy
90b0ac6495 limit to 'gcstepmul' imposed by 'lua_gc' (+ some details in 'lgc.c') 2014-02-13 15:25:20 -02:00
Roberto Ierusalimschy
de3b1c9b53 better control for number of finalizers called at each GC cycle 
(increases progressively)
 2014-02-13 12:46:38 -02:00
Roberto Ierusalimschy
733c58595b no more local collection 2014-02-13 10:11:34 -02:00
Roberto Ierusalimschy
6b30774469 detail (better presentation for 'luaC_step') 2014-02-11 10:28:47 -02:00
Roberto Ierusalimschy
ba3586cc90 keep a single list of objects to be finalized (with local and non-local 
objects), to ensure finalization order
 2014-02-11 10:18:12 -02:00
Roberto Ierusalimschy
88e23f508c details 2013-12-13 13:42:08 -02:00
Roberto Ierusalimschy
c8585efc78 use goto to implement a tail call in 'reallymarkobject' 2013-12-13 13:17:00 -02:00
Roberto Ierusalimschy
4c6dfc342b CallInfo lists shrinks together with their associated stacks 2013-09-17 12:40:06 -03:00
Roberto Ierusalimschy
686e57cf9c GC local pause configurable 2013-09-13 13:21:52 -03:00
Roberto Ierusalimschy
6ca7b63bce check for shrinking string table done only at the end of a GC cycle 2013-09-11 11:56:15 -03:00
Roberto Ierusalimschy
4eeb1831be new names and better order for GC states (sweep first lists that 
can have dead objects)
 2013-09-11 11:47:08 -03:00
Roberto Ierusalimschy
dd373a8f66 threads are kept in a separated GC list, linked after the main thread 2013-09-11 11:09:55 -03:00
Roberto Ierusalimschy
7061fe1d56 detail: 'sweepstep' checks end of phase after calling 'sweeplist', so 
that phases with small lists return 0 at the first call to 'sweepstep'
 2013-09-11 10:24:55 -03:00
Roberto Ierusalimschy
d8aa8dd97e objects in list 'tobefnz' have a GC life-cycle like all others 
(specifically they are cleaned during sweep phase)
 2013-09-11 09:47:48 -03:00
Roberto Ierusalimschy
1150873447 'luaC_newobj' does not handle special cases; only special case 
now is threads, which do not use 'luaC_newobj' anymore.
 2013-09-11 09:26:14 -03:00
Roberto Ierusalimschy
aeff4f79fa local collection now calls finalizers 2013-09-03 12:37:10 -03:00
Roberto Ierusalimschy
1bf4faec64 new GC state to sweep 'localgc' list + small changes in sweep control 2013-08-30 16:14:26 -03:00
Roberto Ierusalimschy
b5e75fde4e bug: local collection must clear rest of stack 2013-08-29 10:34:16 -03:00
Roberto Ierusalimschy
9a871dd3db tables and userdata all go to local list, too 2013-08-28 15:30:26 -03:00
Roberto Ierusalimschy
90972ff136 LOCALBLACK changed to LOCALMARK and used also to control whether object 
is in 'localgc' list + luaC_newobj by default puts object in 'localgc'
list
 2013-08-27 17:04:00 -03:00
Roberto Ierusalimschy
af35c7f398 upvalues collected by reference count 2013-08-27 15:53:35 -03:00
Roberto Ierusalimschy
742b7377d3 Lua closures go to local, too 2013-08-26 09:41:10 -03:00
Roberto Ierusalimschy
50955e27f5 C functions and strings now go to the local list; first version 
of the local collector
 2013-08-23 10:34:54 -03:00
Roberto Ierusalimschy
0df6635711 "fixed" objects kept in a separated list (instead of being kept in 
'allgc' list with a bit marking them)
 2013-08-21 17:09:51 -03:00
Roberto Ierusalimschy
ae800656c9 change in string table: string table is now independent of GC lists; all 
strings live in 'normal' GC lists
 2013-08-21 16:21:16 -03:00
Roberto Ierusalimschy
8f6b80aa1d GC bits SEPARATED and FINALIZEDBIT mixed in FINALIZEDBIT (with simpler 
control)
 2013-08-20 14:46:34 -03:00
Roberto Ierusalimschy
9eff921f8f "barrier" for link prototype->cache changed to be consistent with 
GC behavior (link is cleared to preserve invariant)
 2013-08-19 11:18:43 -03:00
Roberto Ierusalimschy
439d74e29f added 'local' bit (true => object is only refered by local variables) 2013-08-16 15:55:49 -03:00
Roberto Ierusalimschy
3679d33b02 barrier conditions rewritten to test first 'isblack' and then 'iswhite' 
(during a pause all objects are white, so 'isblack' fails much more
often than 'iswhite')
 2013-08-13 14:36:44 -03:00
Roberto Ierusalimschy
78b941039d change to allow collector to stop when it goes to the atomic phase 
(just for debugging)
 2013-08-07 12:39:09 -03:00
Roberto Ierusalimschy
623e388bb4 double-linked list of all upvalues elliminated and changed to a 
traversal of all non-marked threads
 2013-08-07 09:18:11 -03:00
Roberto Ierusalimschy
677d90165f no more generational collection !!! 2013-08-05 13:58:28 -03:00
Roberto Ierusalimschy
c37b7b3cca bug: garbage collector can trigger too many times in recursive loops, 
because it was not computing the size of CallInfo structures in threads
 2013-04-26 15:26:49 -03:00
Roberto Ierusalimschy
75250a237c typos in comments 2013-03-16 18:10:18 -03:00
Roberto Ierusalimschy
437a49be5e cast to avoid warnings 2013-03-15 15:33:36 -03:00
Roberto Ierusalimschy
a799ed5af9 more precise control for GC pause (based on threshold) 2012-10-19 16:00:33 -03:00
Roberto Ierusalimschy
fdae4b9453 removed commented-out line (for debugging) 2012-10-03 09:36:17 -03:00
Roberto Ierusalimschy
ae1d318822 small bug: generational mode is always in 'propagate' mode only 
outside the collector: during collection of course it must go to
other modes.
 2012-09-11 09:53:08 -03:00
Roberto Ierusalimschy
e4f609d0ee collector in generational mode must be in 'propagate' state when 
not running a collection
 2012-07-04 12:52:38 -03:00
Roberto Ierusalimschy
4fc15bbfb7 major collections in generational mode are triggered by comparison with 
the memory estimate from last major collection
 2012-07-02 10:40:05 -03:00
Roberto Ierusalimschy
c510d94549 includes counts from 'sweeptolive' in cost of atomic step 2012-05-31 18:28:59 -03:00
Roberto Ierusalimschy
ab2c3d5cde small bug in error handling of finalizers (cannot call lua_tostring 
inside the core) + small bug in luaC_checkfinalizer (when avoiding
remove object being sweeped from sweep list) + small changes in GC
pace control (for the atomic part)
 2012-05-31 17:26:14 -03:00
Roberto Ierusalimschy
6fcdfc6d4f bug: object being moved to 'finobj' list might not be sweeped by 
the collector
 2012-05-30 13:01:10 -03:00
Roberto Ierusalimschy
6efffb9acd only count in 'atomic' objects marked for the first time 2012-05-29 14:52:17 -03:00
Roberto Ierusalimschy
51e8f08e60 more efficient way to apply 'stepmul' + some changes in GC parameters 2012-05-28 17:41:00 -03:00
Roberto Ierusalimschy
e29f3a5751 definition of 'GCSTEPSIZE' moved to header file + small changes 2012-05-23 12:43:14 -03:00