1 files changed, 54 insertions, 0 deletions
diff --git a/src/pmdk/src/libpmemobj/tx.h b/src/pmdk/src/libpmemobj/tx.h
new file mode 100644
index 000000000..c6a204e64
--- /dev/null
+++ b/src/pmdk/src/libpmemobj/tx.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* Copyright 2016-2020, Intel Corporation */
+
+/*
+ * tx.h -- internal definitions for transactions
+ */
+
+#ifndef LIBPMEMOBJ_INTERNAL_TX_H
+#define LIBPMEMOBJ_INTERNAL_TX_H 1
+
+#include <stdint.h>
+#include "obj.h"
+#include "ulog.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define TX_DEFAULT_RANGE_CACHE_SIZE (1 << 15)
+#define TX_DEFAULT_RANGE_CACHE_THRESHOLD (1 << 12)
+
+#define TX_RANGE_MASK (8ULL - 1)
+#define TX_RANGE_MASK_LEGACY (32ULL - 1)
+
+#define TX_ALIGN_SIZE(s, amask) (((s) + (amask)) & ~(amask))
+
+#define TX_SNAPSHOT_LOG_ENTRY_ALIGNMENT CACHELINE_SIZE
+#define TX_SNAPSHOT_LOG_BUFFER_OVERHEAD sizeof(struct ulog)
+#define TX_SNAPSHOT_LOG_ENTRY_OVERHEAD sizeof(struct ulog_entry_buf)
+
+#define TX_INTENT_LOG_BUFFER_ALIGNMENT CACHELINE_SIZE
+#define TX_INTENT_LOG_BUFFER_OVERHEAD sizeof(struct ulog)
+#define TX_INTENT_LOG_ENTRY_OVERHEAD sizeof(struct ulog_entry_val)
+
+struct tx_parameters {
+	size_t cache_size;
+};
+
+/*
+ * Returns the current transaction's pool handle, NULL if not within
+ * a transaction.
+ */
+PMEMobjpool *tx_get_pop(void);
+
+void tx_ctl_register(PMEMobjpool *pop);
+
+struct tx_parameters *tx_params_new(void);
+void tx_params_delete(struct tx_parameters *tx_params);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif