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cpp/third_party/postgresql/include/pgsql/server/access/xlogprefetcher.h
55 строк
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ihtiandr9 (note)
build Win. Supported only x64
25 авг 2025, 05:07
25 авг 2025, 05:07
ea9dcd2
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/*------------------------------------------------------------------------- * * xlogprefetcher.h * Declarations for the recovery prefetching module. * * Portions Copyright (c) 2022, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION * src/include/access/xlogprefetcher.h *------------------------------------------------------------------------- */ #ifndef XLOGPREFETCHER_H #define XLOGPREFETCHER_H #include "access/xlogdefs.h" #include "access/xlogreader.h" #include "access/xlogrecord.h" /* GUCs */ extern PGDLLIMPORT int recovery_prefetch; /* Possible values for recovery_prefetch */ typedef enum { RECOVERY_PREFETCH_OFF, RECOVERY_PREFETCH_ON, RECOVERY_PREFETCH_TRY } RecoveryPrefetchValue; struct XLogPrefetcher; typedef struct XLogPrefetcher XLogPrefetcher; extern void XLogPrefetchReconfigure(void); extern size_t XLogPrefetchShmemSize(void); extern void XLogPrefetchShmemInit(void); extern void XLogPrefetchResetStats(void); extern XLogPrefetcher *XLogPrefetcherAllocate(XLogReaderState *reader); extern void XLogPrefetcherFree(XLogPrefetcher *prefetcher); extern XLogReaderState *XLogPrefetcherGetReader(XLogPrefetcher *prefetcher); extern void XLogPrefetcherBeginRead(XLogPrefetcher *prefetcher, XLogRecPtr recPtr); extern XLogRecord *XLogPrefetcherReadRecord(XLogPrefetcher *prefetcher, char **errmsg); extern void XLogPrefetcherComputeStats(XLogPrefetcher *prefetcher); #endif