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avoid the use of global lock

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Roberto Ierusalimschy
2005-09-14 14:48:57 -03:00
parent 38f585d271
commit 8dcc6bc532
2 changed files with 16 additions and 27 deletions
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17
ltests.h
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@@ -1,5 +1,5 @@
/*
** $Id: ltests.h,v 2.14 2005/05/03 19:01:17 roberto Exp roberto $
** $Id: ltests.h,v 2.15 2005/06/06 13:30:25 roberto Exp roberto $
** Internal Header for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
@@ -55,16 +55,19 @@ int lua_checkpc (lua_State *L, pCallInfo ci);
/* test for lock/unlock */
#undef luai_userstateopen
#undef luai_userstatethread
#undef lua_lock
#undef lua_unlock
#undef LUAI_EXTRASPACE
LUAI_DATA int islocked;
#define LUAI_EXTRASPACE sizeof(double)
#define getlock(l) (*(cast(int **, l) - 1))
#define luai_userstateopen(l) getlock(l) = &islocked;
#define lua_lock(l) lua_assert((*getlock(l))++ == 0)
#define lua_unlock(l) lua_assert(--(*getlock(l)) == 0)
struct L_EXTRA { int lock; int *plock; };
#define LUAI_EXTRASPACE sizeof(struct L_EXTRA)
#define getlock(l) (cast(struct L_EXTRA *, l) - 1)
#define luai_userstateopen(l) \
(getlock(l)->lock = 0, getlock(l)->plock = &(getlock(l)->lock))
#define luai_userstatethread(l,l1) (getlock(l1)->plock = getlock(l)->plock)
#define lua_lock(l) lua_assert((*getlock(l)->plock)++ == 0)
#define lua_unlock(l) lua_assert(--(*getlock(l)->plock) == 0)
int luaB_opentests (lua_State *L);