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xo-alloc2: DX1CollectorIterator infra [WIP]

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This commit is contained in:
Roland Conybeare 2025-12-17 20:16:46 -05:00
commit bf27314688
30 changed files with 1041 additions and 176 deletions
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8
include/xo/alloc2/alloc/AllocInfo.hpp
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@ -31,7 +31,11 @@ namespace xo {
p_guard_hi_{p_guard_hi} {}
/** error when alloc-header not configured **/
static AllocInfo error_not_configured(AllocHeaderConfig * p_cfg) {
static AllocInfo error_not_configured(const AllocHeaderConfig * p_cfg) {
return AllocInfo(p_cfg, nullptr, nullptr, nullptr);
}
/** error on deref empty iterator **/
static AllocInfo error_invalid_iterator(const AllocHeaderConfig * p_cfg) {
return AllocInfo(p_cfg, nullptr, nullptr, nullptr);
}
@ -46,6 +50,8 @@ namespace xo {
std::uint32_t age() const noexcept { return p_config_->age (*p_header_); }
/** Allocation size (including allocator-supplied padding) **/
size_type size() const noexcept { return p_config_->size(*p_header_); }
/** Payload for this allocation. This is the memory available to application **/
span_type payload() const noexcept;
/** Guard bytes immediately following allocation **/
span_type guard_hi() const noexcept;
/** Number of guard bytes **/