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Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 47644ea528b..462dd4a2262 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -4029,9 +4029,11 @@ rnode_comparator(const void *p1, const void *p2) uint32 LockBufHdr(BufferDesc *desc) { - SpinDelayStatus delayStatus = init_local_spin_delay(); + SpinDelayStatus delayStatus; uint32 old_buf_state; + init_local_spin_delay(&delayStatus); + while (true) { /* set BM_LOCKED flag */ @@ -4055,9 +4057,11 @@ LockBufHdr(BufferDesc *desc) static uint32 WaitBufHdrUnlocked(BufferDesc *buf) { - SpinDelayStatus delayStatus = init_local_spin_delay(); + SpinDelayStatus delayStatus; uint32 buf_state; + init_local_spin_delay(&delayStatus); + buf_state = pg_atomic_read_u32(&buf->state); while (buf_state & BM_LOCKED) |