From 46651ce6fe013220ed397add242004d764fc0153 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:15:05 +0200 Subject: Adding upstream version 14.5. Signed-off-by: Daniel Baumann --- src/include/postmaster/bgwriter.h | 45 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 src/include/postmaster/bgwriter.h (limited to 'src/include/postmaster/bgwriter.h') diff --git a/src/include/postmaster/bgwriter.h b/src/include/postmaster/bgwriter.h new file mode 100644 index 0000000..c430b1b --- /dev/null +++ b/src/include/postmaster/bgwriter.h @@ -0,0 +1,45 @@ +/*------------------------------------------------------------------------- + * + * bgwriter.h + * Exports from postmaster/bgwriter.c and postmaster/checkpointer.c. + * + * The bgwriter process used to handle checkpointing duties too. Now + * there is a separate process, but we did not bother to split this header. + * + * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group + * + * src/include/postmaster/bgwriter.h + * + *------------------------------------------------------------------------- + */ +#ifndef _BGWRITER_H +#define _BGWRITER_H + +#include "storage/block.h" +#include "storage/relfilenode.h" +#include "storage/smgr.h" +#include "storage/sync.h" + + +/* GUC options */ +extern int BgWriterDelay; +extern int CheckPointTimeout; +extern int CheckPointWarning; +extern double CheckPointCompletionTarget; + +extern void BackgroundWriterMain(void) pg_attribute_noreturn(); +extern void CheckpointerMain(void) pg_attribute_noreturn(); + +extern void RequestCheckpoint(int flags); +extern void CheckpointWriteDelay(int flags, double progress); + +extern bool ForwardSyncRequest(const FileTag *ftag, SyncRequestType type); + +extern void AbsorbSyncRequests(void); + +extern Size CheckpointerShmemSize(void); +extern void CheckpointerShmemInit(void); + +extern bool FirstCallSinceLastCheckpoint(void); + +#endif /* _BGWRITER_H */ -- cgit v1.2.3