diff options
Diffstat (limited to 'src/include/storage/sinvaladt.h')
| -rw-r--r-- | src/include/storage/sinvaladt.h | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/src/include/storage/sinvaladt.h b/src/include/storage/sinvaladt.h index 012ce2d92ca..8535cba0f06 100644 --- a/src/include/storage/sinvaladt.h +++ b/src/include/storage/sinvaladt.h @@ -3,11 +3,18 @@ * sinvaladt.h * POSTGRES shared cache invalidation segment definitions. * + * The shared cache invalidation manager is responsible for transmitting + * invalidation messages between backends. Any message sent by any backend + * must be delivered to all already-running backends before it can be + * forgotten. + * + * The struct type SharedInvalidationMessage, defining the contents of + * a single message, is defined in sinval.h. * * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/storage/sinvaladt.h,v 1.46 2008/03/16 19:47:34 alvherre Exp $ + * $PostgreSQL: pgsql/src/include/storage/sinvaladt.h,v 1.47 2008/03/17 11:50:27 alvherre Exp $ * *------------------------------------------------------------------------- */ @@ -16,24 +23,6 @@ #include "storage/sinval.h" -/* - * The shared cache invalidation manager is responsible for transmitting - * invalidation messages between backends. Any message sent by any backend - * must be delivered to all already-running backends before it can be - * forgotten. - * - * The struct type SharedInvalidationMessage, defining the contents of - * a single message, is defined in sinval.h. - */ - -/* Per-backend state in shared invalidation structure */ -typedef struct ProcState -{ - /* nextMsgNum is -1 in an inactive ProcState array entry. */ - int nextMsgNum; /* next message number to read, or -1 */ - bool resetState; /* true, if backend has to reset its state */ -} ProcState; - /* * prototypes for functions in sinvaladt.c |