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Incorporate szind/slab into rtree leaves.

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Expand and restructure the rtree API such that all common operations can
be achieved with minimal work, regardless of whether the rtree leaf
fields are independent versus packed into a single atomic pointer.
This commit is contained in:
Jason Evans 2017-03-16 17:57:52 -07:00
parent 944c8a3383
commit 99d68445ef
13 changed files with 471 additions and 226 deletions
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17
test/unit/arena_reset.c
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@ -57,9 +57,16 @@ get_large_size(size_t ind) {
/* Like ivsalloc(), but safe to call on discarded allocations. */
static size_t
vsalloc(tsdn_t *tsdn, const void *ptr) {
extent_t *extent;
rtree_ctx_t rtree_ctx_fallback;
rtree_ctx_t *rtree_ctx = tsdn_rtree_ctx(tsdn, &rtree_ctx_fallback);
extent_t *extent;
szind_t szind;
if (rtree_extent_szind_read(tsdn, &extents_rtree, rtree_ctx,
(uintptr_t)ptr, false, &extent, &szind)) {
return 0;
}
extent = extent_lookup(tsdn, ptr, false);
if (extent == NULL) {
return 0;
}
@ -67,7 +74,11 @@ vsalloc(tsdn_t *tsdn, const void *ptr) {
return 0;
}
return isalloc(tsdn, extent, ptr);
if (szind == NSIZES) {
return 0;
}
return index2size(szind);
}
static unsigned