diff options
Diffstat (limited to 'src/lib/lua/lgc.h')
-rw-r--r-- | src/lib/lua/lgc.h | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/src/lib/lua/lgc.h b/src/lib/lua/lgc.h index dee270b4dcb..3cc8f19065f 100644 --- a/src/lib/lua/lgc.h +++ b/src/lib/lua/lgc.h @@ -29,25 +29,25 @@ /* how much to allocate before next GC step */ #if !defined(GCSTEPSIZE) /* ~100 small strings */ -#define GCSTEPSIZE (cast_int(100 * sizeof(TString))) +#define GCSTEPSIZE (cast_int(100 * sizeof(TString))) #endif /* ** Possible states of the Garbage Collector */ -#define GCSpropagate 0 -#define GCSatomic 1 -#define GCSsweepstring 2 -#define GCSsweepudata 3 -#define GCSsweep 4 -#define GCSpause 5 +#define GCSpropagate 0 +#define GCSatomic 1 +#define GCSsweepstring 2 +#define GCSsweepudata 3 +#define GCSsweep 4 +#define GCSpause 5 #define issweepphase(g) \ (GCSsweepstring <= (g)->gcstate && (g)->gcstate <= GCSsweep) -#define isgenerational(g) ((g)->gckind == KGC_GEN) +#define isgenerational(g) ((g)->gckind == KGC_GEN) /* ** macros to tell when main invariant (white objects cannot point to black @@ -58,7 +58,7 @@ ** invariant must be kept all times. */ -#define keepinvariant(g) (isgenerational(g) || g->gcstate <= GCSatomic) +#define keepinvariant(g) (isgenerational(g) || g->gcstate <= GCSatomic) /* @@ -66,34 +66,34 @@ ** 'propagate', so 'keepinvariant' is always true. */ #define keepinvariantout(g) \ - check_exp(g->gcstate == GCSpropagate || !isgenerational(g), \ - g->gcstate <= GCSatomic) + check_exp(g->gcstate == GCSpropagate || !isgenerational(g), \ + g->gcstate <= GCSatomic) /* ** some useful bit tricks */ -#define resetbits(x,m) ((x) &= cast(lu_byte, ~(m))) -#define setbits(x,m) ((x) |= (m)) -#define testbits(x,m) ((x) & (m)) -#define bitmask(b) (1<<(b)) -#define bit2mask(b1,b2) (bitmask(b1) | bitmask(b2)) -#define l_setbit(x,b) setbits(x, bitmask(b)) -#define resetbit(x,b) resetbits(x, bitmask(b)) -#define testbit(x,b) testbits(x, bitmask(b)) +#define resetbits(x,m) ((x) &= cast(lu_byte, ~(m))) +#define setbits(x,m) ((x) |= (m)) +#define testbits(x,m) ((x) & (m)) +#define bitmask(b) (1<<(b)) +#define bit2mask(b1,b2) (bitmask(b1) | bitmask(b2)) +#define l_setbit(x,b) setbits(x, bitmask(b)) +#define resetbit(x,b) resetbits(x, bitmask(b)) +#define testbit(x,b) testbits(x, bitmask(b)) /* Layout for bit use in `marked' field: */ -#define WHITE0BIT 0 /* object is white (type 0) */ -#define WHITE1BIT 1 /* object is white (type 1) */ -#define BLACKBIT 2 /* object is black */ -#define FINALIZEDBIT 3 /* object has been separated for finalization */ -#define SEPARATED 4 /* object is in 'finobj' list or in 'tobefnz' */ -#define FIXEDBIT 5 /* object is fixed (should not be collected) */ -#define OLDBIT 6 /* object is old (only in generational mode) */ +#define WHITE0BIT 0 /* object is white (type 0) */ +#define WHITE1BIT 1 /* object is white (type 1) */ +#define BLACKBIT 2 /* object is black */ +#define FINALIZEDBIT 3 /* object has been separated for finalization */ +#define SEPARATED 4 /* object is in 'finobj' list or in 'tobefnz' */ +#define FIXEDBIT 5 /* object is fixed (should not be collected) */ +#define OLDBIT 6 /* object is old (only in generational mode) */ /* bit 7 is currently used by tests (luaL_checkmemory) */ -#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT) +#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT) #define iswhite(x) testbits((x)->gch.marked, WHITEBITS) @@ -101,27 +101,27 @@ #define isgray(x) /* neither white nor black */ \ (!testbits((x)->gch.marked, WHITEBITS | bitmask(BLACKBIT))) -#define isold(x) testbit((x)->gch.marked, OLDBIT) +#define isold(x) testbit((x)->gch.marked, OLDBIT) /* MOVE OLD rule: whenever an object is moved to the beginning of a GC list, its old bit must be cleared */ -#define resetoldbit(o) resetbit((o)->gch.marked, OLDBIT) +#define resetoldbit(o) resetbit((o)->gch.marked, OLDBIT) -#define otherwhite(g) (g->currentwhite ^ WHITEBITS) -#define isdeadm(ow,m) (!(((m) ^ WHITEBITS) & (ow))) -#define isdead(g,v) isdeadm(otherwhite(g), (v)->gch.marked) +#define otherwhite(g) (g->currentwhite ^ WHITEBITS) +#define isdeadm(ow,m) (!(((m) ^ WHITEBITS) & (ow))) +#define isdead(g,v) isdeadm(otherwhite(g), (v)->gch.marked) -#define changewhite(x) ((x)->gch.marked ^= WHITEBITS) -#define gray2black(x) l_setbit((x)->gch.marked, BLACKBIT) +#define changewhite(x) ((x)->gch.marked ^= WHITEBITS) +#define gray2black(x) l_setbit((x)->gch.marked, BLACKBIT) -#define valiswhite(x) (iscollectable(x) && iswhite(gcvalue(x))) +#define valiswhite(x) (iscollectable(x) && iswhite(gcvalue(x))) -#define luaC_white(g) cast(lu_byte, (g)->currentwhite & WHITEBITS) +#define luaC_white(g) cast(lu_byte, (g)->currentwhite & WHITEBITS) #define luaC_condGC(L,c) \ {if (G(L)->GCdebt > 0) {c;}; condchangemem(L);} -#define luaC_checkGC(L) luaC_condGC(L, luaC_step(L);) +#define luaC_checkGC(L) luaC_condGC(L, luaC_step(L);) #define luaC_barrier(L,p,v) { if (valiswhite(v) && isblack(obj2gco(p))) \ @@ -135,10 +135,10 @@ luaC_barrier_(L,obj2gco(p),obj2gco(o)); } #define luaC_objbarrierback(L,p,o) \ - { if (iswhite(obj2gco(o)) && isblack(obj2gco(p))) luaC_barrierback_(L,p); } + { if (iswhite(obj2gco(o)) && isblack(obj2gco(p))) luaC_barrierback_(L,p); } #define luaC_barrierproto(L,p,c) \ - { if (isblack(obj2gco(p))) luaC_barrierproto_(L,p,c); } + { if (isblack(obj2gco(p))) luaC_barrierproto_(L,p,c); } LUAI_FUNC void luaC_freeallobjects (lua_State *L); LUAI_FUNC void luaC_step (lua_State *L); @@ -146,7 +146,7 @@ LUAI_FUNC void luaC_forcestep (lua_State *L); LUAI_FUNC void luaC_runtilstate (lua_State *L, int statesmask); LUAI_FUNC void luaC_fullgc (lua_State *L, int isemergency); LUAI_FUNC GCObject *luaC_newobj (lua_State *L, int tt, size_t sz, - GCObject **list, int offset); + GCObject **list, int offset); LUAI_FUNC void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v); LUAI_FUNC void luaC_barrierback_ (lua_State *L, GCObject *o); LUAI_FUNC void luaC_barrierproto_ (lua_State *L, Proto *p, Closure *c); |