diff options
| author | Andres Freund <andres@anarazel.de> | 2015-09-22 11:05:48 +0200 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2015-09-22 11:12:28 +0200 |
| commit | 62e503b0c29bbb9e0ac7ebce6990bf3c7c3c9a89 (patch) | |
| tree | c03618b9d8b8068d1cae6390bd0ed923e0d209a4 /src/backend/storage | |
| parent | 265728e1b60858f9db8a3e7fb538477a28fc74a3 (diff) | |
| download | postgresql-62e503b0c29bbb9e0ac7ebce6990bf3c7c3c9a89.tar.gz postgresql-62e503b0c29bbb9e0ac7ebce6990bf3c7c3c9a89.zip | |
Correct value of LW_SHARED_MASK.
The previous wrong value lead to wrong LOCK_DEBUG output, never showing
any shared lock holders.
Reported-By: Alexander Korotkov
Discussion: CAPpHfdsPmWqz9FB0AnxJrwp1=KLF0n=-iB+QvR0Q8GSmpFVdUQ@mail.gmail.com
Backpatch: 9.5, where the bug was introduced.
Diffstat (limited to 'src/backend/storage')
| -rw-r--r-- | src/backend/storage/lmgr/lwlock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c index 687ed6399cb..7b8fb71ead3 100644 --- a/src/backend/storage/lmgr/lwlock.c +++ b/src/backend/storage/lmgr/lwlock.c @@ -107,7 +107,7 @@ extern slock_t *ShmemLock; #define LW_LOCK_MASK ((uint32) ((1 << 25)-1)) /* Must be greater than MAX_BACKENDS - which is 2^23-1, so we're fine. */ -#define LW_SHARED_MASK ((uint32)(1 << 23)) +#define LW_SHARED_MASK ((uint32) ((1 << 24)-1)) /* * This is indexed by tranche ID and stores metadata for all tranches known |