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threads are kept in a separated GC list, linked after the main thread

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Roberto Ierusalimschy
2013-09-11 11:09:55 -03:00
parent 7061fe1d56
commit dd373a8f66
5 changed files with 47 additions and 47 deletions
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25
lstate.h
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@@ -1,5 +1,5 @@
/*
** $Id: lstate.h,v 2.93 2013/09/03 15:37:10 roberto Exp roberto $
** $Id: lstate.h,v 2.94 2013/09/05 19:31:49 roberto Exp roberto $
** Global State
** See Copyright Notice in lua.h
*/
@@ -16,20 +16,19 @@
/*
** Some notes about garbage-collected objects: All objects in Lua must
** be kept somehow accessible until being freed.
** Some notes about garbage-collected objects: All objects in Lua must
** be kept somehow accessible until being freed, so all objects always
** belong to one (and only one) of these lists, using field 'next' of
** the 'CommonHeader' for the link:
**
** Lua keeps most objects linked in list g->allgc. The link uses field
** 'next' of the CommonHeader. Threads (except the main one) ar kept
** at the end of the 'allgc' list, after the 'l_registry' (which is
** the first object to be added to the list).
**
** List 'fixedgc' keep objects that are not to be collected (currently
** mainthread->next: all threads;
** localgc: all local objects not marked for finalization;
** localfin: all local objects marked for finalization;
** allgc: all non local objects not marked for finalization;
** finobj: all non local objects marked for finalization;
** tobefnz: all objects ready to be finalized;
** fixedgc: all objects that are not to be collected (currently
** only small strings, such as reserved words).
**
** Live objects with finalizers are kept in the list g->finobj. The
** list g->tobefnz links all objects being finalized. In particular, an
** object has its FINALIZEDBIT set iff it is in one of these lists.
*/