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mdbx: kill/remove mm_txnid.

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This commit is contained in:
Leo Yuriev
2017-04-21 18:57:34 +03:00
parent f3e31a74ee
commit 585496339a
3 changed files with 24 additions and 96 deletions
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9
src/lck-posix.c
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@@ -214,15 +214,6 @@ static int __cold mdbx_mutex_failed(MDB_env *env, mdbx_mutex_t *mutex, int rc) {
rc = MDBX_RESULT_TRUE;
rlocked = (mutex == &env->me_txns->mti_rmutex);
if (!rlocked) {
/* Keep mtb.mti_txnid updated, otherwise next writer can
* overwrite data which latest meta page refers to.
*
* LY: Hm, how this can happen, if the mtb.mti_txnid
* is updating only at the finish of a successful commit ?
*/
MDB_meta *meta = mdbx_meta_head_w(env);
assert(env->me_txns->mti_txnid == meta->mm_txnid);
(void)meta;
/* env is hosed if the dead thread was ours */
if (env->me_txn) {
env->me_flags |= MDB_FATAL_ERROR;