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increase REF_BITS to 16 (=> 64k refs possible)

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This was SVN commit r936.
This commit is contained in:
janwas 2004-08-08 16:40:59 +00:00
parent 3a9035e8e1
commit f08cd3466c
1 changed files with 4 additions and 9 deletions
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11
source/lib/res/h_mgr.cpp
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@ -105,16 +105,11 @@ static inline Handle handle(const u32 _idx, const u32 tag)
// determines maximum number of references to a resource.
static const uint REF_BITS = 8;
static const uint REF_BITS = 16;
static const u32 REF_MAX = (1ul << REF_BITS)-1;
static const uint TYPE_BITS = 8;
// a handle's idx field isn't stored in its HDATA entry (not needed);
// to save space, these should take its place, i.e. they should fit in IDX_BITS.
// if not, ignore + comment out this assertion.
cassert(REF_BITS + TYPE_BITS <= IDX_BITS);
// chosen so that all current resource structs are covered,
// and so sizeof(HDATA) is a power of 2 (for more efficient array access
@ -134,8 +129,8 @@ struct HDATA
u32 refs : REF_BITS;
u32 type_idx : TYPE_BITS;
u32 keep_open : 1;
// regardless of refs, do not actually release the resource
// (i.e. call dtor) when the handle is h_free-d.
// if set, do not actually release the resource (i.e. call dtor)
// when the handle is h_free-d, regardless of the refcount.
// set by h_alloc; reset on exit and by housekeeping.
H_Type type;