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mdbx-test: adds more jitter while DB opening.

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Change-Id: Ic0f03f4fbe064ea00f719baa11b28cc24aafcb5b
This commit is contained in:
Leonid Yuriev
2019-07-07 20:18:12 +03:00
parent 1f89c494ff
commit 06f16464aa
3 changed files with 16 additions and 7 deletions
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2
src/bits.h
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@@ -1212,7 +1212,7 @@ static __inline pgno_t pgno_sub(pgno_t base, pgno_t subtrahend) {
}
static __inline void mdbx_jitter4testing(bool tiny) {
#ifndef NDEBUG
#if MDBX_DEBUG
if (MDBX_DBG_JITTER & mdbx_runtime_flags)
mdbx_osal_jitter(tiny);
#else

2
src/mdbx.c
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@@ -11639,6 +11639,7 @@ static int __cold mdbx_env_copy_asis(MDBX_env *env, MDBX_txn *read_txn,
return rc;
}
mdbx_jitter4testing(false);
const size_t meta_bytes = pgno2bytes(env, NUM_METAS);
/* Make a snapshot of meta-pages,
* but writing ones after the data was flushed */
@@ -11654,6 +11655,7 @@ static int __cold mdbx_env_copy_asis(MDBX_env *env, MDBX_txn *read_txn,
/* Copy the data */
const size_t data_bytes = pgno2bytes(env, read_txn->mt_next_pgno);
mdbx_jitter4testing(false);
#if __GLIBC_PREREQ(2, 27)
for (off_t in_offset = meta_bytes; in_offset < (off_t)data_bytes;) {
off_t out_offset = in_offset;