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replace atomics with C11/C++ atomics with explicit memory order; passes tsan. Issue #130

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daan 2020-07-26 18:00:38 -07:00
parent a468430772
commit ef8e5d18a6
14 changed files with 248 additions and 315 deletions
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4
include/mimalloc-types.h
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@ -259,9 +259,9 @@ typedef struct mi_segment_s {
bool mem_is_committed; // `true` if the whole segment is eagerly committed
// segment fields
struct mi_segment_s* next; // must be the first segment field -- see `segment.c:segment_alloc`
struct mi_segment_s* prev;
_Atomic(struct mi_segment_s*) abandoned_next;
struct mi_segment_s* next; // must be the first segment field after abandoned_next -- see `segment.c:segment_init`
struct mi_segment_s* prev;
size_t abandoned; // abandoned pages (i.e. the original owning thread stopped) (`abandoned <= used`)
size_t abandoned_visits; // count how often this segment is visited in the abandoned list (to force reclaim it it is too long)