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Add the ability to not block when opening a write transaction

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This commit is contained in:
James Rouzier
2017-10-25 19:41:28 -04:00
parent 4f1c846437
commit 7c466e53f0
6 changed files with 46 additions and 6 deletions
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3
src/bits.h
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@@ -553,7 +553,8 @@ struct MDBX_txn {
/* Transaction Flags */
/* mdbx_txn_begin() flags */
#define MDBX_TXN_BEGIN_FLAGS (MDBX_NOMETASYNC | MDBX_NOSYNC | MDBX_RDONLY)
#define MDBX_TXN_BEGIN_FLAGS_PERSISTENT (MDBX_NOMETASYNC | MDBX_NOSYNC | MDBX_RDONLY)
#define MDBX_TXN_BEGIN_FLAGS (MDBX_TXN_BEGIN_FLAGS_PERSISTENT | MDBX_TRYTXN)
#define MDBX_TXN_NOMETASYNC \
MDBX_NOMETASYNC /* don't sync meta for this txn on commit */
#define MDBX_TXN_NOSYNC MDBX_NOSYNC /* don't sync this txn on commit */