lgc.cpp File Reference

#include "lprefix.h"
#include <stdio.h>
#include <string.h>
#include "lua.h"
#include "ldebug.h"
#include "ldo.h"
#include "lfunc.h"
#include "lgc.h"
#include "lmem.h"
#include "lobject.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "ltm.h"

Include dependency graph for lgc.cpp:

Go to the source code of this file.

Macros
#define	lgc_c
#define	LUA_CORE
#define	GCSWEEPMAX   100
#define	GCFINMAX   10
#define	GCFINALIZECOST   50
#define	WORK2MEM   sizeof(TValue)
#define	PAUSEADJ   100
#define	maskcolors   (bitmask(BLACKBIT) | WHITEBITS)
#define	maskgcbits   (maskcolors | AGEBITS)
#define	makewhite(g, x)   (x->marked = cast_byte((x->marked & ~maskcolors) | luaC_white(g)))
#define	set2gray(x)   resetbits(x->marked, maskcolors)
#define	set2black(x)   (x->marked = cast_byte((x->marked & ~WHITEBITS) | bitmask(BLACKBIT)))
#define	valiswhite(x)   (iscollectable(x) && iswhite(gcvalue(x)))
#define	keyiswhite(n)   (keyiscollectable(n) && iswhite(gckey(n)))
#define	gcvalueN(o)   (iscollectable(o) ? gcvalue(o) : NULL)
#define	markvalue(g, o)
#define	markkey(g, n)   { if keyiswhite(n) reallymarkobject(g,gckey(n)); }
#define	markobject(g, t)   { if (iswhite(t)) reallymarkobject(g, obj2gco(t)); }
#define	markobjectN(g, t)   { if (t) markobject(g,t); }
#define	gnodelast(h)   gnode(h, cast_sizet(sizenode(h)))
#define	linkgclist(o, p)   linkgclist_(obj2gco(o), &(o)->gclist, &(p))
#define	linkobjgclist(o, p)   linkgclist_(obj2gco(o), getgclist(o), &(p))

Functions
static void	reallymarkobject (global_State *g, GCObject *o)
static lu_mem	atomic (lua_State *L)
static void	entersweep (lua_State *L)
static GCObject **	getgclist (GCObject *o)
static void	linkgclist_ (GCObject *o, GCObject **pnext, GCObject **list)
static void	clearkey (Node *n)
static int	iscleared (global_State *g, const GCObject *o)
void	luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v)
void	luaC_barrierback_ (lua_State *L, GCObject *o)
void	luaC_fix (lua_State *L, GCObject *o)
GCObject *	luaC_newobj (lua_State *L, int tt, size_t sz)
static void	markmt (global_State *g)
static lu_mem	markbeingfnz (global_State *g)
static int	remarkupvals (global_State *g)
static void	cleargraylists (global_State *g)
static void	restartcollection (global_State *g)
static void	genlink (global_State *g, GCObject *o)
static void	traverseweakvalue (global_State *g, Table *h)
static int	traverseephemeron (global_State *g, Table *h, int inv)
static void	traversestrongtable (global_State *g, Table *h)
static lu_mem	traversetable (global_State *g, Table *h)
static int	traverseudata (global_State *g, Udata *u)
static int	traverseproto (global_State *g, Proto *f)
static int	traverseCclosure (global_State *g, CClosure *cl)
static int	traverseLclosure (global_State *g, LClosure *cl)
static int	traversethread (global_State *g, lua_State *th)
static lu_mem	propagatemark (global_State *g)
static lu_mem	propagateall (global_State *g)
static void	convergeephemerons (global_State *g)
static void	clearbykeys (global_State *g, GCObject *l)
static void	clearbyvalues (global_State *g, GCObject *l, GCObject *f)
static void	freeupval (lua_State *L, UpVal *uv)
static void	freeobj (lua_State *L, GCObject *o)
static GCObject **	sweeplist (lua_State *L, GCObject **p, int countin, int *countout)
static GCObject **	sweeptolive (lua_State *L, GCObject **p)
static void	checkSizes (lua_State *L, global_State *g)
static GCObject *	udata2finalize (global_State *g)
static void	dothecall (lua_State *L, void *ud)
static void	GCTM (lua_State *L)
static int	runafewfinalizers (lua_State *L, int n)
static void	callallpendingfinalizers (lua_State *L)
static GCObject **	findlast (GCObject **p)
static void	separatetobefnz (global_State *g, int all)
static void	checkpointer (GCObject **p, GCObject *o)
static void	correctpointers (global_State *g, GCObject *o)
void	luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt)
static void	setpause (global_State *g)
static void	sweep2old (lua_State *L, GCObject **p)
static GCObject **	sweepgen (lua_State *L, global_State *g, GCObject **p, GCObject *limit, GCObject **pfirstold1)
static void	whitelist (global_State *g, GCObject *p)
static GCObject **	correctgraylist (GCObject **p)
static void	correctgraylists (global_State *g)
static void	markold (global_State *g, GCObject *from, GCObject *to)
static void	finishgencycle (lua_State *L, global_State *g)
static void	youngcollection (lua_State *L, global_State *g)
static void	atomic2gen (lua_State *L, global_State *g)
static lu_mem	entergen (lua_State *L, global_State *g)
static void	enterinc (global_State *g)
void	luaC_changemode (lua_State *L, int newmode)
static lu_mem	fullgen (lua_State *L, global_State *g)
static void	setminordebt (global_State *g)
static void	stepgenfull (lua_State *L, global_State *g)
static void	genstep (lua_State *L, global_State *g)
static void	deletelist (lua_State *L, GCObject *p, GCObject *limit)
void	luaC_freeallobjects (lua_State *L)
static int	sweepstep (lua_State *L, global_State *g, int nextstate, GCObject **nextlist)
static lu_mem	singlestep (lua_State *L)
void	luaC_runtilstate (lua_State *L, int statesmask)
static void	incstep (lua_State *L, global_State *g)
void	luaC_step (lua_State *L)
static void	fullinc (lua_State *L, global_State *g)
void	luaC_fullgc (lua_State *L, int isemergency)

Macro Definition Documentation

GCFINALIZECOST

#define GCFINALIZECOST   50

Definition at line 46 of file lgc.cpp.

Referenced by singlestep().

GCFINMAX

#define GCFINMAX   10

Definition at line 40 of file lgc.cpp.

Referenced by singlestep().

GCSWEEPMAX

#define GCSWEEPMAX   100

Definition at line 35 of file lgc.cpp.

Referenced by sweepstep().

gcvalueN

#define gcvalueN

(

o

)

(iscollectable(o) ? gcvalue(o) : NULL)

Definition at line 91 of file lgc.cpp.

Referenced by clearbyvalues(), and traverseweakvalue().

gnodelast

#define gnodelast

(

h

)

gnode(h, cast_sizet(sizenode(h)))

Definition at line 122 of file lgc.cpp.

Referenced by clearbykeys(), clearbyvalues(), traversestrongtable(), and traverseweakvalue().

keyiswhite

#define keyiswhite

(

n

)

(keyiscollectable(n) && iswhite(gckey(n)))

Definition at line 85 of file lgc.cpp.

lgc_c

#define lgc_c

Definition at line 7 of file lgc.cpp.

linkgclist

#define linkgclist	(		o,
			p
	)		linkgclist_(obj2gco(o), &(o)->gclist, &(p))

Definition at line 146 of file lgc.cpp.

Referenced by sweep2old(), traverseephemeron(), traversetable(), traversethread(), and traverseweakvalue().

linkobjgclist

#define linkobjgclist	(		o,
			p
	)		linkgclist_(obj2gco(o), getgclist(o), &(p))

Definition at line 159 of file lgc.cpp.

Referenced by genlink(), luaC_barrierback_(), and reallymarkobject().

LUA_CORE

#define LUA_CORE

Definition at line 8 of file lgc.cpp.

makewhite

#define makewhite	(		g,
			x
	)		(x->marked = cast_byte((x->marked & ~maskcolors) | luaC_white(g)))

Definition at line 71 of file lgc.cpp.

Referenced by luaC_barrier_(), luaC_checkfinalizer(), and udata2finalize().

markkey

#define markkey	(		g,
			n
	)		{ if keyiswhite(n) reallymarkobject(g,gckey(n)); }

Definition at line 97 of file lgc.cpp.

Referenced by traversestrongtable(), and traverseweakvalue().

markobject

#define markobject	(		g,
			t
	)		{ if (iswhite(t)) reallymarkobject(g, obj2gco(t)); }

Definition at line 99 of file lgc.cpp.

Referenced by atomic(), iscleared(), markbeingfnz(), restartcollection(), and traversethread().

markobjectN

#define markobjectN	(		g,
			t
	)		{ if (t) markobject(g,t); }

Definition at line 105 of file lgc.cpp.

Referenced by markmt(), reallymarkobject(), traverseLclosure(), traverseproto(), traversetable(), and traverseudata().

markvalue

#define markvalue	(		g,
			o
	)

Value:

{ checkliveness(g->mainthread,o); \
  if (valiswhite(o)) reallymarkobject(g,gcvalue(o)); }

Definition at line 94 of file lgc.cpp.

Referenced by atomic(), reallymarkobject(), remarkupvals(), restartcollection(), traverseCclosure(), traverseproto(), traversestrongtable(), traversethread(), and traverseudata().

maskcolors

#define maskcolors   (bitmask(BLACKBIT) | WHITEBITS)

Definition at line 64 of file lgc.cpp.

maskgcbits

#define maskgcbits   (maskcolors | AGEBITS)

Definition at line 67 of file lgc.cpp.

Referenced by sweepgen(), sweeplist(), and whitelist().

PAUSEADJ

#define PAUSEADJ   100

Definition at line 60 of file lgc.cpp.

Referenced by setpause().

set2black

#define set2black

(

x

)

(x->marked = cast_byte((x->marked & ~WHITEBITS) | bitmask(BLACKBIT)))

Definition at line 79 of file lgc.cpp.

Referenced by reallymarkobject().

set2gray

#define set2gray

(

x

)

resetbits(x->marked, maskcolors)

Definition at line 75 of file lgc.cpp.

Referenced by linkgclist_(), luaC_barrierback_(), luaC_fix(), reallymarkobject(), and sweep2old().

valiswhite

#define valiswhite

(

x

)

(iscollectable(x) && iswhite(gcvalue(x)))

Definition at line 83 of file lgc.cpp.

Referenced by traverseephemeron().

WORK2MEM

#define WORK2MEM   sizeof(TValue)

Definition at line 53 of file lgc.cpp.

Referenced by incstep().

Function Documentation

atomic()

static lu_mem atomic ( lua_State *  L )

static

Definition at line 1516 of file lgc.cpp.

References global_State::allweak, cast_byte, clearbykeys(), clearbyvalues(), convergeephemerons(), global_State::currentwhite, global_State::ephemeron, G, GCSatomic, global_State::gcstate, global_State::gray, global_State::grayagain, iswhite, global_State::l_registry, lua_assert, luaS_clearcache(), global_State::mainthread, markbeingfnz(), markmt(), markobject, markvalue, otherwhite, propagateall(), remarkupvals(), separatetobefnz(), and global_State::weak.

Referenced by entergen(), singlestep(), stepgenfull(), and youngcollection().

atomic2gen()

static void atomic2gen ( lua_State *  L, global_State *  g  )

static

Definition at line 1265 of file lgc.cpp.

References global_State::allgc, cleargraylists(), finishgencycle(), global_State::finobj, global_State::finobjold1, global_State::finobjrold, global_State::finobjsur, global_State::firstold1, global_State::GCestimate, global_State::gckind, GCSswpallgc, global_State::gcstate, gettotalbytes, KGC_GEN, global_State::lastatomic, global_State::old1, global_State::reallyold, global_State::survival, sweep2old(), and global_State::tobefnz.

Referenced by entergen(), and stepgenfull().

callallpendingfinalizers()

static void callallpendingfinalizers ( lua_State *  L )

static

Definition at line 942 of file lgc.cpp.

References g, G, GCTM(), and global_State::tobefnz.

Referenced by finishgencycle(), and luaC_freeallobjects().

checkpointer()

static void checkpointer ( GCObject **  p, GCObject *  o  )

static

Definition at line 989 of file lgc.cpp.

Referenced by correctpointers().

checkSizes()

static void checkSizes ( lua_State *  L, global_State *  g  )

static

Definition at line 863 of file lgc.cpp.

References global_State::GCdebt, global_State::gcemergency, global_State::GCestimate, luaS_resize(), stringtable::nuse, stringtable::size, and global_State::strt.

Referenced by finishgencycle(), and singlestep().

clearbykeys()

static void clearbykeys ( global_State *  g, GCObject *  l  )

static

Definition at line 717 of file lgc.cpp.

References clearkey(), gckeyN, gco2t, gnode, gnodelast, gval, h, iscleared(), isempty, n, and setempty.

Referenced by atomic().

clearbyvalues()

static void clearbyvalues ( global_State *  g, GCObject *  l, GCObject *  f  )

static

Definition at line 736 of file lgc.cpp.

References Table::array, clearkey(), f, gco2t, gcvalueN, gnode, gnodelast, gval, h, i, iscleared(), isempty, luaH_realasize(), n, and setempty.

Referenced by atomic().

cleargraylists()

static void cleargraylists ( global_State *  g )

static

Definition at line 388 of file lgc.cpp.

References global_State::allweak, global_State::ephemeron, global_State::gray, global_State::grayagain, and global_State::weak.

Referenced by atomic2gen(), and restartcollection().

clearkey()

static void clearkey ( Node *  n )

static

Definition at line 171 of file lgc.cpp.

References gval, isempty, keyiscollectable, lua_assert, and setdeadkey.

Referenced by clearbykeys(), clearbyvalues(), traverseephemeron(), traversestrongtable(), and traverseweakvalue().

convergeephemerons()

static void convergeephemerons ( global_State *  g )

static

Definition at line 683 of file lgc.cpp.

References global_State::ephemeron, Table::gclist, gco2t, h, next, nw2black, propagateall(), traverseephemeron(), and w.

Referenced by atomic().

correctgraylist()

static GCObject** correctgraylist ( GCObject **  p )

static

Definition at line 1145 of file lgc.cpp.

References changeage, curr, G_OLD, G_TOUCHED1, G_TOUCHED2, getage, getgclist(), isgray, isold, iswhite, lua_assert, LUA_VTHREAD, next, nw2black, and p.

Referenced by correctgraylists().

correctgraylists()

static void correctgraylists ( global_State *  g )

static

Definition at line 1178 of file lgc.cpp.

References global_State::allweak, correctgraylist(), global_State::ephemeron, global_State::grayagain, and global_State::weak.

Referenced by finishgencycle().

correctpointers()

static void correctpointers ( global_State *  g, GCObject *  o  )

static

Definition at line 999 of file lgc.cpp.

References checkpointer(), global_State::firstold1, global_State::old1, global_State::reallyold, and global_State::survival.

Referenced by luaC_checkfinalizer().

deletelist()

static void deletelist ( lua_State *  L, GCObject *  p, GCObject *  limit  )

static

Definition at line 1490 of file lgc.cpp.

References freeobj(), and next.

Referenced by luaC_freeallobjects().

dothecall()

static void dothecall ( lua_State *  L, void *  ud  )

static

Definition at line 893 of file lgc.cpp.

References luaD_callnoyield(), lua_State::top, and UNUSED.

Referenced by GCTM().

entergen()

static lu_mem entergen ( lua_State *  L, global_State *  g  )

static

Definition at line 1293 of file lgc.cpp.

References atomic(), atomic2gen(), bitmask, GCSpause, GCSpropagate, and luaC_runtilstate().

Referenced by fullgen(), and luaC_changemode().

enterinc()

static void enterinc ( global_State *  g )

static

Definition at line 1308 of file lgc.cpp.

References global_State::allgc, global_State::finobj, global_State::finobjold1, global_State::finobjrold, global_State::finobjsur, global_State::gckind, GCSpause, global_State::gcstate, KGC_INC, global_State::lastatomic, global_State::old1, global_State::reallyold, global_State::survival, global_State::tobefnz, and whitelist().

Referenced by fullgen(), luaC_changemode(), and stepgenfull().

entersweep()

static void entersweep ( lua_State *  L )

static

Definition at line 1478 of file lgc.cpp.

References global_State::allgc, G, GCSswpallgc, global_State::gcstate, lua_assert, global_State::sweepgc, and sweeptolive().

Referenced by fullinc(), singlestep(), and stepgenfull().

findlast()

static GCObject** findlast ( GCObject **  p )

static

Definition at line 952 of file lgc.cpp.

References p.

Referenced by separatetobefnz().

finishgencycle()

static void finishgencycle ( lua_State *  L, global_State *  g  )

static

Definition at line 1210 of file lgc.cpp.

References callallpendingfinalizers(), checkSizes(), correctgraylists(), global_State::gcemergency, GCSpropagate, and global_State::gcstate.

Referenced by atomic2gen(), and youngcollection().

freeobj()

static void freeobj ( lua_State *  L, GCObject *  o  )

static

Definition at line 764 of file lgc.cpp.

References freeupval(), gco2ccl, gco2lcl, gco2p, gco2t, gco2th, gco2ts, gco2u, gco2upv, Udata::len, TString::lnglen, lua_assert, LUA_VCCL, LUA_VLCL, LUA_VLNGSTR, LUA_VPROTO, LUA_VSHRSTR, LUA_VTABLE, LUA_VTHREAD, LUA_VUPVAL, LUA_VUSERDATA, luaE_freethread(), luaF_freeproto(), luaH_free(), luaM_freemem, luaS_remove(), Udata::nuvalue, TString::shrlen, sizeCclosure, sizeLclosure, sizelstring, sizeudata, and TString::u.

Referenced by deletelist(), sweep2old(), sweepgen(), and sweeplist().

freeupval()

static void freeupval ( lua_State *  L, UpVal *  uv  )

static

Definition at line 757 of file lgc.cpp.

References luaF_unlinkupval(), luaM_free, and upisopen.

Referenced by freeobj().

fullgen()

static lu_mem fullgen ( lua_State *  L, global_State *  g  )

static

Definition at line 1338 of file lgc.cpp.

References entergen(), and enterinc().

Referenced by genstep(), and luaC_fullgc().

fullinc()

static void fullinc ( lua_State *  L, global_State *  g  )

static

Definition at line 1685 of file lgc.cpp.

References bitmask, entersweep(), global_State::GCestimate, GCScallfin, GCSpause, gettotalbytes, keepinvariant, lua_assert, luaC_runtilstate(), and setpause().

Referenced by luaC_fullgc().

GCTM()

static void GCTM ( lua_State *  L )

static

Definition at line 899 of file lgc.cpp.

References lua_State::allowhook, CallInfo::callstatus, lua_State::ci, CIST_FIN, dothecall(), g, G, global_State::gcemergency, global_State::gcrunning, lua_assert, LUA_OK, luaD_pcall(), luaE_warnerror(), luaT_gettmbyobj(), notm, savestack, setgcovalue, setobj2s, TM_GC, lua_State::top, udata2finalize(), and unlikely.

Referenced by callallpendingfinalizers(), and runafewfinalizers().

genlink()

static void genlink ( global_State *  g, GCObject *  o  )

static

Definition at line 424 of file lgc.cpp.

References changeage, G_OLD, G_TOUCHED1, G_TOUCHED2, getage, global_State::grayagain, isblack, linkobjgclist, and lua_assert.

Referenced by traverseephemeron(), traversestrongtable(), and traverseudata().

genstep()

static void genstep ( lua_State *  L, global_State *  g  )

static

Definition at line 1414 of file lgc.cpp.

References fullgen(), global_State::GCdebt, global_State::GCestimate, global_State::genmajormul, getgcparam, gettotalbytes, isdecGCmodegen, global_State::lastatomic, lua_assert, setminordebt(), setpause(), stepgenfull(), and youngcollection().

Referenced by luaC_step().

getgclist()

static GCObject** getgclist ( GCObject *  o )

static

Definition at line 125 of file lgc.cpp.

References Udata::gclist, gco2ccl, gco2lcl, gco2p, gco2t, gco2th, gco2u, lua_assert, LUA_VCCL, LUA_VLCL, LUA_VPROTO, LUA_VTABLE, LUA_VTHREAD, LUA_VUSERDATA, and Udata::nuvalue.

Referenced by correctgraylist(), and propagatemark().

incstep()

static void incstep ( lua_State *  L, global_State *  g  )

static

Definition at line 1645 of file lgc.cpp.

References cast, global_State::GCdebt, GCSpause, global_State::gcstate, global_State::gcstepmul, global_State::gcstepsize, getgcparam, log2maxs, luaE_setdebt(), MAX_LMEM, setpause(), singlestep(), and WORK2MEM.

Referenced by luaC_step().

iscleared()

static int iscleared ( global_State *  g, const GCObject *  o  )

static

Definition at line 185 of file lgc.cpp.

References iswhite, LUA_TSTRING, markobject, and novariant.

Referenced by clearbykeys(), clearbyvalues(), traverseephemeron(), and traverseweakvalue().

linkgclist_()

static void linkgclist_ ( GCObject *  o, GCObject **  pnext, GCObject **  list  )

static

Definition at line 148 of file lgc.cpp.

References isgray, lua_assert, and set2gray.

luaC_barrier_()

void luaC_barrier_	(	lua_State *	L,
		GCObject *	o,
		GCObject *	v
	)

Definition at line 208 of file lgc.cpp.

References g, G, G_OLD0, global_State::gckind, isblack, isdead, isold, issweepphase, iswhite, keepinvariant, KGC_INC, lua_assert, makewhite, reallymarkobject(), and setage.

luaC_barrierback_()

void luaC_barrierback_	(	lua_State *	L,
		GCObject *	o
	)

Definition at line 230 of file lgc.cpp.

References g, G, G_TOUCHED1, G_TOUCHED2, global_State::gckind, getage, global_State::grayagain, isblack, isdead, isold, KGC_GEN, linkobjgclist, lua_assert, set2gray, and setage.

luaC_changemode()

void luaC_changemode	(	lua_State *	L,
		int	newmode
	)

Definition at line 1323 of file lgc.cpp.

References entergen(), enterinc(), G, global_State::gckind, KGC_GEN, and global_State::lastatomic.

Referenced by lua_gc(), and luaC_freeallobjects().

luaC_checkfinalizer()

void luaC_checkfinalizer	(	lua_State *	L,
		GCObject *	o,
		Table *	mt
	)

Definition at line 1011 of file lgc.cpp.

References global_State::allgc, correctpointers(), FINALIZEDBIT, global_State::finobj, g, G, gfasttm, issweepphase, l_setbit, makewhite, p, setpause(), global_State::sweepgc, sweeptolive(), TM_GC, and tofinalize.

Referenced by lua_setmetatable().

luaC_fix()

void luaC_fix	(	lua_State *	L,
		GCObject *	o
	)

Definition at line 243 of file lgc.cpp.

References global_State::allgc, global_State::fixedgc, g, G, G_OLD, lua_assert, set2gray, and setage.

Referenced by luaS_init(), luaT_init(), and luaX_init().

luaC_freeallobjects()

void luaC_freeallobjects

(

lua_State *

L

)

Definition at line 1503 of file lgc.cpp.

References global_State::allgc, callallpendingfinalizers(), deletelist(), global_State::finobj, global_State::fixedgc, G, KGC_INC, lua_assert, luaC_changemode(), global_State::mainthread, stringtable::nuse, obj2gco, separatetobefnz(), and global_State::strt.

Referenced by close_state().

luaC_fullgc()

void luaC_fullgc	(	lua_State *	L,
		int	isemergency
	)

Definition at line 1703 of file lgc.cpp.

References fullgen(), fullinc(), G, global_State::gcemergency, global_State::gckind, KGC_INC, and lua_assert.

Referenced by growstrtab(), lua_gc(), and tryagain().

luaC_newobj()

GCObject* luaC_newobj	(	lua_State *	L,
		int	tt,
		size_t	sz
	)

Definition at line 258 of file lgc.cpp.

References global_State::allgc, cast, g, G, luaC_white, luaM_newobject, and novariant.

Referenced by createstrobj(), luaF_initupvals(), luaF_newCclosure(), luaF_newLclosure(), luaF_newproto(), luaH_new(), luaS_newudata(), and newupval().

luaC_runtilstate()

void luaC_runtilstate	(	lua_State *	L,
		int	statesmask
	)

Definition at line 1631 of file lgc.cpp.

References G, global_State::gcstate, singlestep(), and testbit.

Referenced by entergen(), fullinc(), and stepgenfull().

luaC_step()

void luaC_step

(

lua_State *

L

)

Definition at line 1666 of file lgc.cpp.

References G, global_State::gcemergency, global_State::gcrunning, genstep(), incstep(), isdecGCmodegen, and lua_assert.

Referenced by lua_gc().

markbeingfnz()

static lu_mem markbeingfnz ( global_State *  g )

static

Definition at line 339 of file lgc.cpp.

References markobject, and global_State::tobefnz.

Referenced by atomic(), and restartcollection().

markmt()

static void markmt ( global_State *  g )

static

Definition at line 329 of file lgc.cpp.

References i, LUA_NUMTAGS, markobjectN, and global_State::mt.

Referenced by atomic(), and restartcollection().

markold()

static void markold ( global_State *  g, GCObject *  from, GCObject *  to  )

static

Definition at line 1194 of file lgc.cpp.

References changeage, G_OLD, G_OLD1, getage, isblack, iswhite, lua_assert, p, and reallymarkobject().

Referenced by youngcollection().

propagateall()

static lu_mem propagateall ( global_State *  g )

static

Definition at line 668 of file lgc.cpp.

References global_State::gray, and propagatemark().

Referenced by atomic(), and convergeephemerons().

propagatemark()

static lu_mem propagatemark ( global_State *  g )

static

Definition at line 652 of file lgc.cpp.

References gco2ccl, gco2lcl, gco2p, gco2t, gco2th, gco2u, getgclist(), global_State::gray, lua_assert, LUA_VCCL, LUA_VLCL, LUA_VPROTO, LUA_VTABLE, LUA_VTHREAD, LUA_VUSERDATA, nw2black, traverseCclosure(), traverseLclosure(), traverseproto(), traversetable(), traversethread(), and traverseudata().

Referenced by propagateall(), and singlestep().

reallymarkobject()

static void reallymarkobject ( global_State *  g, GCObject *  o  )

static

Definition at line 291 of file lgc.cpp.

References gco2u, gco2upv, global_State::gray, linkobjgclist, lua_assert, LUA_VCCL, LUA_VLCL, LUA_VLNGSTR, LUA_VPROTO, LUA_VSHRSTR, LUA_VTABLE, LUA_VTHREAD, LUA_VUPVAL, LUA_VUSERDATA, markobjectN, markvalue, Udata::metatable, Udata::nuvalue, set2black, set2gray, upisopen, and UpVal::v.

Referenced by luaC_barrier_(), markold(), and traverseephemeron().

remarkupvals()

static int remarkupvals ( global_State *  g )

static

Definition at line 361 of file lgc.cpp.

References getage, isgray, isold, iswhite, lua_assert, markvalue, UpVal::open, lua_State::openupval, p, global_State::twups, lua_State::twups, UpVal::u, upisopen, and UpVal::v.

Referenced by atomic().

restartcollection()

static void restartcollection ( global_State *  g )

static

Definition at line 397 of file lgc.cpp.

References cleargraylists(), global_State::l_registry, global_State::mainthread, markbeingfnz(), markmt(), markobject, and markvalue.

Referenced by singlestep().

runafewfinalizers()

static int runafewfinalizers ( lua_State *  L, int  n  )

static

Definition at line 930 of file lgc.cpp.

References g, G, GCTM(), i, and global_State::tobefnz.

Referenced by singlestep().

separatetobefnz()

static void separatetobefnz ( global_State *  g, int  all  )

static

Definition at line 966 of file lgc.cpp.

References curr, findlast(), global_State::finobj, global_State::finobjold1, global_State::finobjsur, iswhite, lua_assert, p, global_State::tobefnz, and tofinalize.

Referenced by atomic(), and luaC_freeallobjects().

setminordebt()

static void setminordebt ( global_State *  g )

static

Definition at line 1348 of file lgc.cpp.

References cast, global_State::genminormul, gettotalbytes, and luaE_setdebt().

Referenced by genstep(), and stepgenfull().

setpause()

static void setpause ( global_State *  g )

static

Definition at line 1457 of file lgc.cpp.

References global_State::GCestimate, global_State::gcpause, getgcparam, gettotalbytes, lua_assert, luaE_setdebt(), MAX_LMEM, and PAUSEADJ.

Referenced by fullinc(), genstep(), incstep(), luaC_checkfinalizer(), and stepgenfull().

singlestep()

static lu_mem singlestep ( lua_State *  L )

static

Definition at line 1576 of file lgc.cpp.

References atomic(), checkSizes(), entersweep(), global_State::finobj, G, global_State::gcemergency, global_State::GCestimate, GCFINALIZECOST, GCFINMAX, GCScallfin, GCSenteratomic, GCSpause, GCSpropagate, GCSswpallgc, GCSswpend, GCSswpfinobj, GCSswptobefnz, global_State::gcstate, gettotalbytes, global_State::gray, lua_assert, n, propagatemark(), restartcollection(), runafewfinalizers(), sweepstep(), and global_State::tobefnz.

Referenced by incstep(), and luaC_runtilstate().

stepgenfull()

static void stepgenfull ( lua_State *  L, global_State *  g  )

static

Definition at line 1374 of file lgc.cpp.

References atomic(), atomic2gen(), bitmask, enterinc(), entersweep(), global_State::GCestimate, global_State::gckind, GCSpause, GCSpropagate, gettotalbytes, KGC_GEN, global_State::lastatomic, luaC_runtilstate(), setminordebt(), and setpause().

Referenced by genstep().

sweep2old()

static void sweep2old ( lua_State *  L, GCObject **  p  )

static

Definition at line 1052 of file lgc.cpp.

References curr, freeobj(), G, G_OLD, gco2th, gco2upv, global_State::grayagain, isdead, iswhite, linkgclist, lua_assert, LUA_VTHREAD, LUA_VUPVAL, nw2black, set2gray, setage, and upisopen.

Referenced by atomic2gen().

sweepgen()

static GCObject** sweepgen ( lua_State *  L, global_State *  g, GCObject **  p, GCObject *  limit, GCObject **  pfirstold1  )

static

Definition at line 1088 of file lgc.cpp.

References cast_byte, curr, freeobj(), G_NEW, G_OLD, G_OLD1, G_SURVIVAL, G_TOUCHED1, G_TOUCHED2, getage, isdead, isold, iswhite, lua_assert, luaC_white, maskgcbits, p, and setage.

Referenced by youngcollection().

sweeplist()

static GCObject** sweeplist ( lua_State *  L, GCObject **  p, int  countin, int *  countout  )

static

Definition at line 816 of file lgc.cpp.

References cast_byte, curr, freeobj(), g, G, i, isdeadm, luaC_white, maskgcbits, otherwhite, and p.

Referenced by sweepstep(), and sweeptolive().

sweepstep()

static int sweepstep ( lua_State *  L, global_State *  g, int  nextstate, GCObject **  nextlist  )

static

Definition at line 1559 of file lgc.cpp.

References global_State::GCdebt, global_State::GCestimate, global_State::gcstate, GCSWEEPMAX, global_State::sweepgc, and sweeplist().

Referenced by singlestep().

sweeptolive()

static GCObject** sweeptolive ( lua_State *  L, GCObject **  p  )

static

Definition at line 843 of file lgc.cpp.

References p, and sweeplist().

Referenced by entersweep(), and luaC_checkfinalizer().

traverseCclosure()

static int traverseCclosure ( global_State *  g, CClosure *  cl  )

static

Definition at line 587 of file lgc.cpp.

References i, markvalue, and CClosure::upvalue.

Referenced by propagatemark().

traverseephemeron()

static int traverseephemeron ( global_State *  g, Table *  h, int  inv  )

static

Definition at line 474 of file lgc.cpp.

References global_State::allweak, Table::array, clearkey(), global_State::ephemeron, gckeyN, GCSpropagate, global_State::gcstate, gcvalue, genlink(), gnode, global_State::grayagain, gval, i, iscleared(), isempty, linkgclist, luaH_realasize(), n, obj2gco, reallymarkobject(), sizenode, and valiswhite.

Referenced by convergeephemerons(), and traversetable().

traverseLclosure()

static int traverseLclosure ( global_State *  g, LClosure *  cl  )

static

Definition at line 598 of file lgc.cpp.

References i, markobjectN, LClosure::p, and LClosure::upvals.

Referenced by propagatemark().

traverseproto()

static int traverseproto ( global_State *  g, Proto *  f  )

static

Definition at line 572 of file lgc.cpp.

References i, Proto::k, Proto::locvars, markobjectN, markvalue, Upvaldesc::name, Proto::p, Proto::sizek, Proto::sizelocvars, Proto::sizep, Proto::sizeupvalues, Proto::source, Proto::upvalues, and LocVar::varname.

Referenced by propagatemark().

traversestrongtable()

static void traversestrongtable ( global_State *  g, Table *  h  )

static

Definition at line 517 of file lgc.cpp.

References Table::array, clearkey(), genlink(), gnode, gnodelast, gval, i, isempty, keyisnil, lua_assert, luaH_realasize(), markkey, markvalue, n, and obj2gco.

Referenced by traversetable().

traversetable()

static lu_mem traversetable ( global_State *  g, Table *  h  )

static

Definition at line 536 of file lgc.cpp.

References Table::alimit, allocsizenode, global_State::allweak, cast_void, gfasttm, linkgclist, markobjectN, Table::metatable, svalue, TM_MODE, traverseephemeron(), traversestrongtable(), traverseweakvalue(), and ttisstring.

Referenced by propagatemark().

traversethread()

static int traversethread ( global_State *  g, lua_State *  th  )

static

Definition at line 621 of file lgc.cpp.

References EXTRA_STACK, global_State::gcemergency, GCSatomic, GCSpropagate, global_State::gcstate, global_State::grayagain, isintwups, isold, linkgclist, lua_assert, luaD_shrinkstack(), markobject, markvalue, UpVal::open, lua_State::openupval, s2v, setnilvalue, lua_State::stack, lua_State::stack_last, stacksize, lua_State::top, global_State::twups, lua_State::twups, and UpVal::u.

Referenced by propagatemark().

traverseudata()

static int traverseudata ( global_State *  g, Udata *  u  )

static

Definition at line 557 of file lgc.cpp.

References genlink(), i, markobjectN, markvalue, Udata::metatable, Udata::nuvalue, obj2gco, UValue::uv, and Udata::uv.

Referenced by propagatemark().

traverseweakvalue()

static void traverseweakvalue ( global_State *  g, Table *  h  )

static

Definition at line 440 of file lgc.cpp.

References Table::alimit, clearkey(), GCSatomic, global_State::gcstate, gcvalueN, gnode, gnodelast, global_State::grayagain, gval, iscleared(), isempty, keyisnil, linkgclist, lua_assert, markkey, n, and global_State::weak.

Referenced by traversetable().

udata2finalize()

static GCObject* udata2finalize ( global_State *  g )

static

Definition at line 878 of file lgc.cpp.

References global_State::allgc, FINALIZEDBIT, global_State::firstold1, G_OLD1, getage, issweepphase, lua_assert, makewhite, resetbit, global_State::tobefnz, and tofinalize.

Referenced by GCTM().

whitelist()

static void whitelist ( global_State *  g, GCObject *  p  )

static

Definition at line 1129 of file lgc.cpp.

References cast_byte, luaC_white, and maskgcbits.

Referenced by enterinc().

youngcollection()

static void youngcollection ( lua_State *  L, global_State *  g  )

static

Definition at line 1224 of file lgc.cpp.

References global_State::allgc, atomic(), dummy, finishgencycle(), global_State::finobj, global_State::finobjold1, global_State::finobjrold, global_State::finobjsur, global_State::firstold1, GCSpropagate, GCSswpallgc, global_State::gcstate, lua_assert, markold(), global_State::old1, global_State::reallyold, global_State::survival, sweepgen(), and global_State::tobefnz.

Referenced by genstep().