mirror of
https://github.com/isar/libmdbx.git
synced 2025-01-31 14:08:20 +08:00
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
|
/// \copyright SPDX-License-Identifier: Apache-2.0
|
||
|
|
/// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2024
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "essentials.h"
|
||
|
|
|
||
|
|
#if !(defined(_WIN32) || defined(_WIN64))
|
||
|
|
#define MDBX_WRITETHROUGH_THRESHOLD_DEFAULT 2
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct iov_ctx {
|
||
|
|
MDBX_env *env;
|
||
|
|
osal_ioring_t *ior;
|
||
|
|
mdbx_filehandle_t fd;
|
||
|
|
int err;
|
||
|
|
#ifndef MDBX_NEED_WRITTEN_RANGE
|
||
|
|
#define MDBX_NEED_WRITTEN_RANGE 1
|
||
|
|
#endif /* MDBX_NEED_WRITTEN_RANGE */
|
||
|
|
#if MDBX_NEED_WRITTEN_RANGE
|
||
|
|
pgno_t flush_begin;
|
||
|
|
pgno_t flush_end;
|
||
|
|
#endif /* MDBX_NEED_WRITTEN_RANGE */
|
||
|
|
uint64_t coherency_timestamp;
|
||
|
|
};
|
||
|
|
|
||
|
|
MDBX_INTERNAL __must_check_result int
|
||
|
|
iov_init(MDBX_txn *const txn, iov_ctx_t *ctx, size_t items, size_t npages,
|
||
|
|
mdbx_filehandle_t fd, bool check_coherence);
|
||
|
|
|
||
|
|
static inline bool iov_empty(const iov_ctx_t *ctx) {
|
||
|
|
return osal_ioring_used(ctx->ior) == 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
MDBX_INTERNAL __must_check_result int iov_page(MDBX_txn *txn, iov_ctx_t *ctx,
|
||
|
|
page_t *dp, size_t npages);
|
||
|
|
|
||
|
|
MDBX_INTERNAL __must_check_result int iov_write(iov_ctx_t *ctx);
|