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Add the sqlite3_unlock_notify() API. (CVS 6348)

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FossilOrigin-Name: b649a6cc5bfefddd6a04b1183647d2923e0a0daa
This commit is contained in:
danielk1977
2009-03-16 13:19:36 +00:00
parent b030434d93
commit 404ca07578
26 changed files with 1589 additions and 104 deletions
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24
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.840 2009/03/02 17:18:48 shane Exp $
** @(#) $Id: sqliteInt.h,v 1.841 2009/03/16 13:19:36 danielk1977 Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -808,6 +808,17 @@ struct sqlite3 {
Savepoint *pSavepoint; /* List of active savepoints */
int nSavepoint; /* Number of non-transaction savepoints */
u8 isTransactionSavepoint; /* True if the outermost savepoint is a TS */
#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
/* The following variables are all protected by the STATIC_MASTER
** mutex, not by sqlite3.mutex. They are used by code in notify.c.
*/
sqlite3 *pBlockingConnection; /* Connection that caused SQLITE_LOCKED */
sqlite3 *pUnlockConnection; /* Connection to watch for unlock */
void *pUnlockArg; /* Argument to xUnlockNotify */
void (*xUnlockNotify)(void **, int); /* Unlock notify callback */
sqlite3 *pNextBlocked; /* Next in list of all blocked connections */
#endif
};
/*
@@ -2749,6 +2760,17 @@ int sqlite3IsMemJournal(sqlite3_file *);
u32 sqlite3Get4byte(const u8*);
void sqlite3Put4byte(u8*, u32);
#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
void sqlite3ConnectionBlocked(sqlite3 *, sqlite3 *);
void sqlite3ConnectionUnlocked(sqlite3 *db);
void sqlite3ConnectionClosed(sqlite3 *db);
#else
#define sqlite3ConnectionBlocked(x,y)
#define sqlite3ConnectionUnlocked(x)
#define sqlite3ConnectionClosed(x)
#endif
#ifdef SQLITE_SSE
#include "sseInt.h"
#endif