PostgreSQL Source Code  git master
Data Fields
BufferDesc Struct Reference

#include <buf_internals.h>

Data Fields

BufferTag tag
 
int buf_id
 
pg_atomic_uint32 state
 
int wait_backend_pid
 
int freeNext
 
LWLock content_lock
 

Detailed Description

Definition at line 177 of file buf_internals.h.

Field Documentation

◆ buf_id

int BufferDesc::buf_id

Definition at line 180 of file buf_internals.h.

Referenced by BufferAlloc(), InitBufferPool(), InitLocalBuffers(), and StrategyFreeBuffer().

◆ content_lock

LWLock BufferDesc::content_lock

Definition at line 188 of file buf_internals.h.

◆ freeNext

int BufferDesc::freeNext

Definition at line 186 of file buf_internals.h.

Referenced by DropDatabaseBuffers(), InitBufferPool(), StrategyFreeBuffer(), and StrategyGetBuffer().

◆ state

pg_atomic_uint32 BufferDesc::state

Definition at line 183 of file buf_internals.h.

Referenced by BufferIsPermanent(), BufferSync(), DropRelFileNodeAllLocalBuffers(), DropRelFileNodeLocalBuffers(), FlushRelationBuffers(), InitBufferPool(), InvalidateBuffer(), LocalBufferAlloc(), LockBufHdr(), MarkBufferDirty(), MarkBufferDirtyHint(), MarkLocalBufferDirty(), PinBuffer(), PinBuffer_Locked(), PrintBufferLeakWarning(), ReadBuffer_common(), UnpinBuffer(), and WaitBufHdrUnlocked().

◆ tag

BufferTag BufferDesc::tag

Definition at line 179 of file buf_internals.h.

Referenced by AbortBufferIO(), apw_dump_now(), BufferAlloc(), BufferGetBlockNumber(), BufferGetTag(), BufferSync(), DropDatabaseBuffers(), DropRelFileNodeAllLocalBuffers(), DropRelFileNodeBuffers(), DropRelFileNodeLocalBuffers(), DropRelFileNodesAllBuffers(), FlushBuffer(), FlushDatabaseBuffers(), FlushRelationBuffers(), FlushRelationsAllBuffers(), InitBufferPool(), InvalidateBuffer(), local_buffer_write_error_callback(), LocalBufferAlloc(), MarkBufferDirtyHint(), pg_buffercache_pages(), PrintBufferLeakWarning(), ReleaseAndReadBuffer(), shared_buffer_write_error_callback(), and SyncOneBuffer().

◆ wait_backend_pid

int BufferDesc::wait_backend_pid

Definition at line 185 of file buf_internals.h.

Referenced by InitBufferPool(), LockBufferForCleanup(), UnlockBuffers(), and UnpinBuffer().

The documentation for this struct was generated from the following file: