diff options
Diffstat (limited to 'src/include/storage')
| -rw-r--r-- | src/include/storage/buf_internals.h | 4 | ||||
| -rw-r--r-- | src/include/storage/bufmgr.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/src/include/storage/buf_internals.h b/src/include/storage/buf_internals.h index dfd614f7ca4..c1206a46aba 100644 --- a/src/include/storage/buf_internals.h +++ b/src/include/storage/buf_internals.h @@ -371,6 +371,8 @@ UnlockBufHdr(BufferDesc *desc, uint32 buf_state) pg_atomic_write_u32(&desc->state, buf_state & (~BM_LOCKED)); } +extern uint32 WaitBufHdrUnlocked(BufferDesc *buf); + /* in bufmgr.c */ /* @@ -425,6 +427,8 @@ extern void IssuePendingWritebacks(WritebackContext *wb_context, IOContext io_co extern void ScheduleBufferTagForWriteback(WritebackContext *wb_context, IOContext io_context, BufferTag *tag); +extern void TrackNewBufferPin(Buffer buf); + /* solely to make it easier to write tests */ extern bool StartBufferIO(BufferDesc *buf, bool forInput, bool nowait); extern void TerminateBufferIO(BufferDesc *buf, bool clear_dirty, uint32 set_flag_bits, diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 47360a3d3d8..3f37b294af6 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -230,7 +230,8 @@ extern void WaitReadBuffers(ReadBuffersOperation *operation); extern void ReleaseBuffer(Buffer buffer); extern void UnlockReleaseBuffer(Buffer buffer); -extern bool BufferIsExclusiveLocked(Buffer buffer); +extern bool BufferIsLockedByMe(Buffer buffer); +extern bool BufferIsLockedByMeInMode(Buffer buffer, int mode); extern bool BufferIsDirty(Buffer buffer); extern void MarkBufferDirty(Buffer buffer); extern void IncrBufferRefCount(Buffer buffer); |