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Correct value of LW_SHARED_MASK.

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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.
This commit is contained in:
Andres Freund 2015-09-22 11:05:48 +02:00
parent d9cb34abb4
commit 98d5b084d2
1 changed files with 1 additions and 1 deletions
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2
src/backend/storage/lmgr/lwlock.c
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@ -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))
/*
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