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mdbx: workaround for false-positives from Valgrind bug.

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Леонид Юрьев (Leonid Yuriev) 2022-11-07 00:14:24 +03:00
parent 771c85a880
commit f0c6aa4646
2 changed files with 6 additions and 0 deletions
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3
src/core.c
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@ -5256,6 +5256,9 @@ static __inline void meta_troika_unpack(meta_troika_t *troika,
troika->recent = (packed >> 2) & 3;
troika->prefer_steady = (packed >> 4) & 3;
troika->tail_and_flags = packed & 0xC3;
#if MDBX_WORDBITS > 32 /* Workaround for false-positives from Valgrind */
troika->unused_pad = 0;
#endif
}
static const uint8_t troika_fsm_map[2 * 2 * 2 * 3 * 3 * 3] = {

3
src/internals.h
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@ -976,6 +976,9 @@ typedef struct MDBX_dbx {
typedef struct troika {
uint8_t fsm, recent, prefer_steady, tail_and_flags;
#if MDBX_WORDBITS > 32 /* Workaround for false-positives from Valgrind */
uint32_t unused_pad;
#endif
#define TROIKA_HAVE_STEADY(troika) ((troika)->fsm & 7)
#define TROIKA_STRICT_VALID(troika) ((troika)->tail_and_flags & 64)
#define TROIKA_VALID(troika) ((troika)->tail_and_flags & 128)