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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
commit46651ce6fe013220ed397add242004d764fc0153 (patch)
tree6e5299f990f88e60174a1d3ae6e48eedd2688b2b /src/include/postmaster/bgwriter.h
parentInitial commit. (diff)
downloadpostgresql-14-upstream.tar.xz
postgresql-14-upstream.zip
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/postmaster/bgwriter.h')
-rw-r--r--src/include/postmaster/bgwriter.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/include/postmaster/bgwriter.h b/src/include/postmaster/bgwriter.h
new file mode 100644
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--- /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 */