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More locking fixes. Now makes it all the way through quick.test. There

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are errors but no assertion faults.  Progress. (CVS 4319)

FossilOrigin-Name: 844d40b8379d3374130e2d94f6e32c2cda34e0ca
This commit is contained in:
drh
2007-08-29 00:33:07 +00:00
parent dfbf178469
commit b1ab8ea7f3
6 changed files with 136 additions and 58 deletions
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9
src/btreeInt.h
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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btreeInt.h,v 1.11 2007/08/28 22:24:35 drh Exp $
** $Id: btreeInt.h,v 1.12 2007/08/29 00:33:07 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -331,7 +331,7 @@ struct Btree {
u8 sharable; /* True if we can share pBt with other pSqlite */
u8 locked; /* True if pSqlite currently has pBt locked */
int wantToLock; /* Number of nested calls to sqlite3BtreeEnter() */
Btree *pNext; /* List of Btrees with the same pSqlite value */
Btree *pNext; /* List of other sharable Btrees from the same pSqlite */
Btree *pPrev; /* Back pointer of the same list */
};
@@ -358,7 +358,10 @@ struct Btree {
**
** Fields in this structure are accessed under the BtShared.mutex
** mutex, except for nRef and pNext which are accessed under the
** global SQLITE_MUTEX_STATIC_MASTER mutex.
** global SQLITE_MUTEX_STATIC_MASTER mutex. The pPager field
** may not be modified once it is initially set as long as nRef>0.
** The pSchema field may be set once under BtShared.mutex and
** thereafter is unchanged as long as nRef>0.
*/
struct BtShared {
Pager *pPager; /* The page cache */