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add ispurewhite : is white and not shared object, see #1479 (#1480)

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云风
2021-09-27 11:26:28 +08:00
committed by GitHub
parent 9cbab6f5ec
commit 0ebecb4e6d
2 changed files with 8 additions and 9 deletions
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7
3rd/lua/lgc.h
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@@ -120,6 +120,7 @@
#define isshared(x) (getage(x) == G_SHARED)
#define makeshared(x) setage(x, G_SHARED)
#define ispurewhite(x) (iswhite(x) && !isshared(x))
#define changeage(o,f,t) \
check_exp(getage(o) == (f), (o)->marked ^= ((f)^(t)))
@@ -167,15 +168,15 @@
#define luaC_barrier(L,p,v) ( \
(iscollectable(v) && isblack(p) && iswhite(gcvalue(v)) && !isshared(gcvalue(v))) ? \
(iscollectable(v) && isblack(p) && ispurewhite(gcvalue(v))) ? \
luaC_barrier_(L,obj2gco(p),gcvalue(v)) : cast_void(0))
#define luaC_barrierback(L,p,v) ( \
(iscollectable(v) && isblack(p) && iswhite(gcvalue(v)) && !isshared(gcvalue(v))) ? \
(iscollectable(v) && isblack(p) && ispurewhite(gcvalue(v))) ? \
luaC_barrierback_(L,p) : cast_void(0))
#define luaC_objbarrier(L,p,o) ( \
(isblack(p) && iswhite(o) && !isshared(o)) ? \
(isblack(p) && ispurewhite(o)) ? \
luaC_barrier_(L,obj2gco(p),obj2gco(o)) : cast_void(0))
LUAI_FUNC void luaC_fix (lua_State *L, GCObject *o);