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Fix data race

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Patrick Pelissier committed 2018-02-24 07:44:16 +01:00
1 parent d258fb3eff
commit aea816dcaf
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m-snapshot.h
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@@ -291,10 +291,10 @@ typedef struct snapshot_mrsw_int_s {
genint_t freeList; genint_t freeList;
} snapshot_mrsw_int_t[1]; } snapshot_mrsw_int_t[1];
// can't check currentWrite due to potential data race on it
#define SNAPSHOTI_MRSW_INT_CONTRACT(s) do { \ #define SNAPSHOTI_MRSW_INT_CONTRACT(s) do { \
assert (s != NULL); \ assert (s != NULL); \
assert (s->n > 0 && s->n <= SNAPSHOTI_MRSW_MAX_READER); \ assert (s->n > 0 && s->n <= SNAPSHOTI_MRSW_MAX_READER); \
assert (s->currentWrite < s->n + SNAPSHOTI_MRSW_EXTRA_BUFFER); \
assert (SNAPSHOTI_MRSW_INT_FLAG_W(atomic_load(&s->lastNext)) \ assert (SNAPSHOTI_MRSW_INT_FLAG_W(atomic_load(&s->lastNext)) \
<= s->n + SNAPSHOTI_MRSW_EXTRA_BUFFER); \ <= s->n + SNAPSHOTI_MRSW_EXTRA_BUFFER); \
assert (s->cptTab != NULL); \ assert (s->cptTab != NULL); \