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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-07-22 21:04:40 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-07-22 21:04:40 +0000 |
| commit | c0e9b3139fe24b9bcfcd660fd106ddf2e2d50703 (patch) | |
| tree | 4ff49fc46fab9f81650d82b8464dc43bba1ffc3b /src | |
| parent | 98359c3e3f9d67c43459f3721106de8eac3352bd (diff) | |
| download | postgresql-c0e9b3139fe24b9bcfcd660fd106ddf2e2d50703.tar.gz postgresql-c0e9b3139fe24b9bcfcd660fd106ddf2e2d50703.zip | |
Hmm, seems --disable-spinlocks has been broken for awhile and nobody
noticed. Fix SpinlockSemas() to report the correct count considering
that PG 8.1 adds a spinlock to each shared-buffer header.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/lmgr/spin.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/storage/lmgr/spin.c b/src/backend/storage/lmgr/spin.c index 220f8b4b73f..1a7fff2f782 100644 --- a/src/backend/storage/lmgr/spin.c +++ b/src/backend/storage/lmgr/spin.c @@ -16,12 +16,14 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/lmgr/spin.c,v 1.20 2006/07/14 14:52:23 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/lmgr/spin.c,v 1.21 2006/07/22 21:04:40 tgl Exp $ * *------------------------------------------------------------------------- */ #include "postgres.h" +#include "miscadmin.h" +#include "storage/lwlock.h" #include "storage/spin.h" @@ -53,9 +55,9 @@ SpinlockSemas(void) * similar to the way shmem space estimation is handled. * * For now, though, we just need a few spinlocks (10 should be plenty) - * plus one for each LWLock. + * plus one for each LWLock and one for each buffer header. */ - return NumLWLocks() + 10; + return NumLWLocks() + NBuffers + 10; } /* |