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mdbx: fix/refine mdbx_env_info_ex() to distinguish a not-available and overflow cases for returned timestamps.

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This commit is contained in:
Leonid Yuriev 2021-05-12 17:51:31 +03:00
parent 9c7c709b3e
commit 0875d16656
1 changed files with 6 additions and 7 deletions
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13
src/core.c
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@ -19258,20 +19258,19 @@ __cold int mdbx_env_info_ex(const MDBX_env *env, const MDBX_txn *txn,
if (likely(bytes > size_before_bootid)) {
arg->mi_unsync_volume = pgno2bytes(env, unsynced_pages);
const uint64_t monotime_now = mdbx_osal_monotime();
arg->mi_since_sync_seconds16dot16 = mdbx_osal_monotime_to_16dot16(
monotime_now - atomic_load64(&lck->mti_sync_timestamp, mo_Relaxed));
uint64_t ts = atomic_load64(&lck->mti_sync_timestamp, mo_Relaxed);
arg->mi_since_sync_seconds16dot16 =
ts ? mdbx_osal_monotime_to_16dot16(monotime_now - ts) : 0;
ts = atomic_load64(&lck->mti_reader_check_timestamp, mo_Relaxed);
arg->mi_since_reader_check_seconds16dot16 =
lck ? mdbx_osal_monotime_to_16dot16(
monotime_now -
atomic_load64(&lck->mti_reader_check_timestamp, mo_Relaxed))
: 0;
ts ? mdbx_osal_monotime_to_16dot16(monotime_now - ts) : 0;
arg->mi_autosync_threshold = pgno2bytes(
env, atomic_load32(&lck->mti_autosync_threshold, mo_Relaxed));
arg->mi_autosync_period_seconds16dot16 = mdbx_osal_monotime_to_16dot16(
atomic_load64(&lck->mti_autosync_period, mo_Relaxed));
arg->mi_bootid.current.x = bootid.x;
arg->mi_bootid.current.y = bootid.y;
arg->mi_mode = lck ? lck->mti_envmode.weak : env->me_flags;
arg->mi_mode = env->me_lck_mmap.lck ? lck->mti_envmode.weak : env->me_flags;
}
if (likely(bytes > size_before_pgop_stat)) {