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7 | 7 | * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group |
8 | 8 | * Portions Copyright (c) 1994, Regents of the University of California |
9 | 9 | * |
10 | | - * $PostgreSQL: pgsql/src/include/storage/proc.h,v 1.110 2009/01/01 17:24:01 momjian Exp $ |
| 10 | + * $PostgreSQL: pgsql/src/include/storage/proc.h,v 1.111 2009/02/19 08:02:32 heikki Exp $ |
11 | 11 | * |
12 | 12 | *------------------------------------------------------------------------- |
13 | 13 | */ |
@@ -138,8 +138,12 @@ typedef struct PROC_HDR |
138 | 138 | /* |
139 | 139 | * We set aside some extra PGPROC structures for auxiliary processes, |
140 | 140 | * ie things that aren't full-fledged backends but need shmem access. |
| 141 | + * |
| 142 | + * Background writer, WAL writer, and autovacuum launcher run during |
| 143 | + * normal operation. When recovery has just finished, the startup |
| 144 | + * process can co-exist with them for a brief period before it exits. |
141 | 145 | */ |
142 | | -#defineNUM_AUXILIARY_PROCS3 |
| 146 | +#defineNUM_AUXILIARY_PROCS4 |
143 | 147 |
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144 | 148 |
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145 | 149 | /* configurable options */ |
|