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new way to count `nblocks' for GC (try to count bytes).

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This commit is contained in:
Roberto Ierusalimschy
2000-09-29 09:42:13 -03:00
parent ca7fd50a4e
commit dad808a73a
18 changed files with 95 additions and 63 deletions
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11
llimits.h
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@@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.13 2000/08/28 17:57:04 roberto Exp roberto $
** $Id: llimits.h,v 1.14 2000/08/29 14:48:16 roberto Exp roberto $
** Limits, basic types, and some other "installation-dependent" definitions
** See Copyright Notice in lua.h
*/
@@ -57,13 +57,6 @@ typedef unsigned long lint32; /* unsigned int with at least 32 bits */
#define IntPoint(p) (((unsigned long)(p)) >> 3)
/*
** number of `blocks' for garbage collection: each reference to other
** objects count 1, and each 32 bytes of `raw' memory count 1; we add
** 2 to the total as a minimum (and also to count the overhead of malloc)
*/
#define numblocks(L, o,b) ((o)+((b)>>5)+2)
#define MINPOWER2 4 /* minimum size for "growing" vectors */
@@ -77,7 +70,7 @@ typedef unsigned long lint32; /* unsigned int with at least 32 bits */
/*
** type for virtual-machine instructions
** must be an unsigned with 4 bytes (see details in lopcodes.h)
** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
** For a very small machine, you may change that to 2 bytes (and adjust
** the following limits accordingly)
*/