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obj: recalculate curr_allocated on underflow - 2nd #38

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Merged
janekmi merged 2 commits into from
Apr 27, 2026
+24 −19
Merged

obj: recalculate curr_allocated on underflow - 2nd #38

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obj: recalculate curr_allocated on underflow - 2nd
grom72 Apr 25, 2026
11226cb
use CAS loop in STATS_INC/DEC_persistent
grom72 Apr 27, 2026
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7 changes: 6 additions & 1 deletion src/libpmemobj/stats.h
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Original file line number Diff line number Diff line change
Expand Up @@ -47,8 +47,13 @@ struct stats {
util_atomic_load_explicit64((&(stats)->persistent->name),\
&curr_value, memory_order_acquire);\
if (curr_value != UINT64_MAX) {\
util_fetch_and_add64(\
curr_value = util_fetch_and_add64(\
(&(stats)->persistent->name), (value));\
if (curr_value > UINT64_MAX - (value)) {\
util_atomic_store_explicit64(\
(&(stats)->persistent->name),\
UINT64_MAX, memory_order_release);\
}\
}\
}\
} while (0)
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