168 lines
3.5 KiB
C
168 lines
3.5 KiB
C
# 1 "./lua/lgc.h"
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#ifndef lgc_h
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#define lgc_h
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#include "lobject.h"
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#include "lstate.h"
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# 31 "./lua/lgc.h"
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#define GCSpropagate 0
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#define GCSenteratomic 1
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#define GCSatomic 2
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#define GCSswpallgc 3
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#define GCSswpfinobj 4
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#define GCSswptobefnz 5
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#define GCSswpend 6
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#define GCScallfin 7
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#define GCSpause 8
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#define issweepphase(g) \
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(GCSswpallgc <= (g)->gcstate && (g)->gcstate <= GCSswpend)
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# 54 "./lua/lgc.h"
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#define keepinvariant(g) ((g)->gcstate <= GCSatomic)
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#define resetbits(x,m) ((x) &= cast_byte(~(m)))
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#define setbits(x,m) ((x) |= (m))
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#define testbits(x,m) ((x) & (m))
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#define bitmask(b) (1<<(b))
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#define bit2mask(b1,b2) (bitmask(b1) | bitmask(b2))
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#define l_setbit(x,b) setbits(x, bitmask(b))
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#define resetbit(x,b) resetbits(x, bitmask(b))
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#define testbit(x,b) testbits(x, bitmask(b))
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#define WHITE0BIT 3
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#define WHITE1BIT 4
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#define BLACKBIT 5
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#define FINALIZEDBIT 6
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#define TESTBIT 7
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#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT)
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#define iswhite(x) testbits((x)->marked, WHITEBITS)
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#define isblack(x) testbit((x)->marked, BLACKBIT)
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#define isgray(x) \
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(!testbits((x)->marked, WHITEBITS | bitmask(BLACKBIT)))
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#define tofinalize(x) testbit((x)->marked, FINALIZEDBIT)
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#define otherwhite(g) ((g)->currentwhite ^ WHITEBITS)
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#define isdeadm(ow,m) ((m) & (ow))
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#define isdead(g,v) isdeadm(otherwhite(g), (v)->marked)
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#define changewhite(x) ((x)->marked ^= WHITEBITS)
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#define nw2black(x) \
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check_exp(!iswhite(x), l_setbit((x)->marked, BLACKBIT))
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#define luaC_white(g) cast_byte((g)->currentwhite & WHITEBITS)
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#define G_NEW 0
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#define G_SURVIVAL 1
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#define G_OLD0 2
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#define G_OLD1 3
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#define G_OLD 4
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#define G_TOUCHED1 5
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#define G_TOUCHED2 6
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#define AGEBITS 7
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#define getage(o) ((o)->marked & AGEBITS)
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#define setage(o,a) ((o)->marked = cast_byte(((o)->marked & (~AGEBITS)) | a))
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#define isold(o) (getage(o) > G_SURVIVAL)
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#define changeage(o,f,t) \
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check_exp(getage(o) == (f), (o)->marked ^= ((f)^(t)))
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#define LUAI_GENMAJORMUL 100
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#define LUAI_GENMINORMUL 20
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#define LUAI_GCPAUSE 200
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#define getgcparam(p) ((p) * 4)
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#define setgcparam(p,v) ((p) = (v) / 4)
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#define LUAI_GCMUL 100
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#define LUAI_GCSTEPSIZE 13
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#define isdecGCmodegen(g) (g->gckind == KGC_GEN || g->lastatomic != 0)
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#define GCSTPUSR 1
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#define GCSTPGC 2
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#define GCSTPCLS 4
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#define gcrunning(g) ((g)->gcstp == 0)
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# 167 "./lua/lgc.h"
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#define luaC_condGC(L,pre,pos) \
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{ if (G(L)->GCdebt > 0) { pre; luaC_step(L); pos;}; \
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condchangemem(L,pre,pos); }
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#define luaC_checkGC(L) luaC_condGC(L,(void)0,(void)0)
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#define luaC_barrier(L,p,v) ( \
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(iscollectable(v) && isblack(p) && iswhite(gcvalue(v))) ? \
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luaC_barrier_(L,obj2gco(p),gcvalue(v)) : cast_void(0))
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#define luaC_barrierback(L,p,v) ( \
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(iscollectable(v) && isblack(p) && iswhite(gcvalue(v))) ? \
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luaC_barrierback_(L,p) : cast_void(0))
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#define luaC_objbarrier(L,p,o) ( \
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(isblack(p) && iswhite(o)) ? \
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luaC_barrier_(L,obj2gco(p),obj2gco(o)) : cast_void(0))
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LUAI_FUNC void luaC_fix (lua_State *L, GCObject *o);
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LUAI_FUNC void luaC_freeallobjects (lua_State *L);
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LUAI_FUNC void luaC_step (lua_State *L);
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LUAI_FUNC void luaC_runtilstate (lua_State *L, int statesmask);
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LUAI_FUNC void luaC_fullgc (lua_State *L, int isemergency);
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LUAI_FUNC GCObject *luaC_newobj (lua_State *L, int tt, size_t sz);
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LUAI_FUNC void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v);
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LUAI_FUNC void luaC_barrierback_ (lua_State *L, GCObject *o);
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LUAI_FUNC void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt);
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LUAI_FUNC void luaC_changemode (lua_State *L, int newmode);
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#endif
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