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Massive commit to run PGINDENT on all *.c and *.h files.

This commit is contained in:
Bruce Momjian
1997-09-07 05:04:48 +00:00
parent 8fecd4febf
commit 1ccd423235
687 changed files with 150775 additions and 136888 deletions

View File

@@ -1,12 +1,12 @@
/*-------------------------------------------------------------------------
*
* sinvaladt.h--
* POSTGRES shared cache invalidation segment definitions.
* POSTGRES shared cache invalidation segment definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: sinvaladt.h,v 1.3 1996/11/05 06:11:06 scrappy Exp $
* $Id: sinvaladt.h,v 1.4 1997/09/07 05:01:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -15,109 +15,119 @@
#include <storage/itemptr.h>
#include <storage/ipc.h>
/*
* The structure of the shared cache invaidation segment
*
*/
/*
A------------- Header info --------------
criticalSectionSemaphoreId
generalSemaphoreId
startEntrySection (offset a)
endEntrySection (offset a + b)
startFreeSpace (offset relative to B)
startEntryChain (offset relatiev to B)
endEntryChain (offset relative to B)
numEntries
maxNumEntries
procState[MaxBackendId] --> limit
resetState (bool)
a tag (POSTID)
criticalSectionSemaphoreId
generalSemaphoreId
startEntrySection (offset a)
endEntrySection (offset a + b)
startFreeSpace (offset relative to B)
startEntryChain (offset relatiev to B)
endEntryChain (offset relative to B)
numEntries
maxNumEntries
procState[MaxBackendId] --> limit
resetState (bool)
a tag (POSTID)
B------------- Start entry section -------
SISegEntry --> entryData --> ... (see SharedInvalidData!)
isfree (bool)
next (offset to next entry in chain )
b .... (dynamically growing down)
C----------------End shared segment -------
SISegEntry --> entryData --> ... (see SharedInvalidData!)
isfree (bool)
next (offset to next entry in chain )
b .... (dynamically growing down)
C----------------End shared segment -------
*/
/* Parameters (configurable) *******************************************/
#define MaxBackendId 32 /* maximum number of backends */
#define MAXNUMMESSAGES 1000 /* maximum number of messages in seg*/
#define MaxBackendId 32 /* maximum number of backends */
#define MAXNUMMESSAGES 1000 /* maximum number of messages in seg */
#define InvalidOffset 1000000000 /* a invalid offset (End of chain) */
#define InvalidOffset 1000000000 /* a invalid offset (End of
* chain) */
typedef struct ProcState {
int limit; /* the number of read messages */
bool resetState; /* true, if backend has to reset its state */
int tag; /* special tag, recieved from the postmaster */
} ProcState;
typedef struct ProcState
{
int limit; /* the number of read messages */
bool resetState; /* true, if backend has to reset its state */
int tag; /* special tag, recieved from the
* postmaster */
} ProcState;
typedef struct SISeg {
IpcSemaphoreId criticalSectionSemaphoreId; /* semaphore id */
IpcSemaphoreId generalSemaphoreId; /* semaphore id */
Offset startEntrySection; /* (offset a) */
Offset endEntrySection; /* (offset a + b) */
Offset startFreeSpace; /* (offset relative to B) */
Offset startEntryChain; /* (offset relative to B) */
Offset endEntryChain; /* (offset relative to B) */
int numEntries;
int maxNumEntries;
ProcState procState[MaxBackendId]; /* reflects the invalidation state */
/* here starts the entry section, controlled by offsets */
} SISeg;
#define SizeSISeg sizeof(SISeg)
typedef struct SISeg
{
IpcSemaphoreId criticalSectionSemaphoreId; /* semaphore id */
IpcSemaphoreId generalSemaphoreId; /* semaphore id */
Offset startEntrySection; /* (offset a) */
Offset endEntrySection; /* (offset a + b) */
Offset startFreeSpace; /* (offset relative to B) */
Offset startEntryChain; /* (offset relative to B) */
Offset endEntryChain; /* (offset relative to B) */
int numEntries;
int maxNumEntries;
ProcState procState[MaxBackendId]; /* reflects the
* invalidation state */
/* here starts the entry section, controlled by offsets */
} SISeg;
typedef struct SharedInvalidData {
int cacheId; /* XXX */
Index hashIndex;
ItemPointerData pointerData;
} SharedInvalidData;
#define SizeSISeg sizeof(SISeg)
typedef SharedInvalidData *SharedInvalid;
typedef struct SharedInvalidData
{
int cacheId; /* XXX */
Index hashIndex;
ItemPointerData pointerData;
} SharedInvalidData;
typedef SharedInvalidData *SharedInvalid;
typedef struct SISegEntry {
SharedInvalidData entryData; /* the message data */
bool isfree; /* entry free? */
Offset next; /* offset to next entry*/
} SISegEntry;
typedef struct SISegEntry
{
SharedInvalidData entryData;/* the message data */
bool isfree; /* entry free? */
Offset next; /* offset to next entry */
} SISegEntry;
#define SizeOfOneSISegEntry sizeof(SISegEntry)
typedef struct SISegOffsets {
Offset startSegment; /* always 0 (for now) */
Offset offsetToFirstEntry; /* A + a = B */
Offset offsetToEndOfSegemnt; /* A + a + b */
} SISegOffsets;
typedef struct SISegOffsets
{
Offset startSegment; /* always 0 (for now) */
Offset offsetToFirstEntry; /* A + a = B */
Offset offsetToEndOfSegemnt; /* A + a + b */
} SISegOffsets;
/****************************************************************************/
/* synchronization of the shared buffer access */
/* access to the buffer is synchronized by the lock manager !! */
/* synchronization of the shared buffer access */
/* access to the buffer is synchronized by the lock manager !! */
/****************************************************************************/
#define SI_LockStartValue 255
#define SI_SharedLock (-1)
#define SI_SharedLock (-1)
#define SI_ExclusiveLock (-255)
extern SISeg *shmInvalBuffer;
extern SISeg *shmInvalBuffer;
/*
* prototypes for functions in sinvaladt.c
*/
extern int SIBackendInit(SISeg *segInOutP);
extern int SISegmentInit(bool killExistingSegment, IPCKey key);
extern int SIBackendInit(SISeg * segInOutP);
extern int SISegmentInit(bool killExistingSegment, IPCKey key);
extern bool SISetDataEntry(SISeg *segP, SharedInvalidData *data);
extern void SISetProcStateInvalid(SISeg *segP);
extern bool SIDelDataEntry(SISeg *segP);
extern void SIReadEntryData(SISeg *segP, int backendId,
void (*invalFunction)(), void (*resetFunction)());
extern void SIDelExpiredDataEntries(SISeg *segP);
extern bool SISetDataEntry(SISeg * segP, SharedInvalidData * data);
extern void SISetProcStateInvalid(SISeg * segP);
extern bool SIDelDataEntry(SISeg * segP);
extern void
SIReadEntryData(SISeg * segP, int backendId,
void (*invalFunction) (), void (*resetFunction) ());
extern void SIDelExpiredDataEntries(SISeg * segP);
#endif /* SINVALADT_H */
#endif /* SINVALADT_H */