diff options
| author | Simon Riggs <simon@2ndQuadrant.com> | 2016-09-05 10:38:08 +0100 |
|---|---|---|
| committer | Simon Riggs <simon@2ndQuadrant.com> | 2016-09-05 10:38:08 +0100 |
| commit | 016abf1fb8333de82a259af0cc7572a4b868023b (patch) | |
| tree | 9b50dfce2a113b0563ddce042d1fa6582e7c4a56 /src/backend/storage/buffer/bufmgr.c | |
| parent | ec03f4121cec6cf885bf40d9dfb53b8368251e99 (diff) | |
Add debug check function LWLockHeldByMeInMode()
Tests whether my process holds a lock in given mode.
Add initial usage in MarkBufferDirty().
Thomas Munro
Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 76ade3727cd..90804a3c530 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -1460,8 +1460,8 @@ MarkBufferDirty(Buffer buffer) bufHdr = GetBufferDescriptor(buffer - 1); Assert(BufferIsPinned(buffer)); - /* unfortunately we can't check if the lock is held exclusively */ - Assert(LWLockHeldByMe(BufferDescriptorGetContentLock(bufHdr))); + Assert(LWLockHeldByMeInMode(BufferDescriptorGetContentLock(bufHdr), + LW_EXCLUSIVE)); old_buf_state = pg_atomic_read_u32(&bufHdr->state); for (;;) |