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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-10-07 20:11:03 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-10-07 20:11:03 +0000 |
| commit | bb55e583f64618ffbdfb7e19949d2f7cca5788e5 (patch) | |
| tree | 5e1c3fde1bf0900985e673993ba8af8cc68f9ee3 | |
| parent | 426d0158cafe5d138ce15c640134b2db8f37f6dc (diff) | |
| download | postgresql-bb55e583f64618ffbdfb7e19949d2f7cca5788e5.tar.gz postgresql-bb55e583f64618ffbdfb7e19949d2f7cca5788e5.zip | |
Allocate a few extra LWLocks for possible use by add-on modules.
Per request from Marc Munro.
| -rw-r--r-- | src/backend/storage/lmgr/lwlock.c | 5 | ||||
| -rw-r--r-- | src/include/pg_config_manual.h | 7 |
2 files changed, 9 insertions, 3 deletions
diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c index aeacaf102aa..d649e0bd712 100644 --- a/src/backend/storage/lmgr/lwlock.c +++ b/src/backend/storage/lmgr/lwlock.c @@ -15,7 +15,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.30 2005/09/16 00:30:05 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.31 2005/10/07 20:11:03 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -140,7 +140,8 @@ NumLWLocks(void) */ numLocks += 2 * NUM_SLRU_BUFFERS; - /* Perhaps create a few more for use by user-defined modules? */ + /* Leave a few extra for use by user-defined modules. */ + numLocks += NUM_USER_DEFINED_LWLOCKS; return numLocks; } diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h index bf82771d45c..0a97859ee25 100644 --- a/src/include/pg_config_manual.h +++ b/src/include/pg_config_manual.h @@ -6,7 +6,7 @@ * for developers. If you edit any of these, be sure to do a *full* * rebuild (and an initdb if noted). * - * $PostgreSQL: pgsql/src/include/pg_config_manual.h,v 1.17 2005/10/03 22:55:56 tgl Exp $ + * $PostgreSQL: pgsql/src/include/pg_config_manual.h,v 1.18 2005/10/07 20:11:03 tgl Exp $ *------------------------------------------------------------------------ */ @@ -75,6 +75,11 @@ #define INDEX_MAX_KEYS 32 /* + * Number of spare LWLocks to allocate for user-defined add-on code. + */ +#define NUM_USER_DEFINED_LWLOCKS 4 + +/* * Define this to make libpgtcl's "pg_result -assign" command process * C-style backslash sequences in returned tuple data and convert * PostgreSQL array values into Tcl lists. CAUTION: This conversion |