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Overview
| Comment: | The sqlite3_backup_init() interface must lock the destination in case it needs to change the error message. (CVS 6255) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
572378d3a29c7d55fa4a15df14800c26 |
| User & Date: | drh 2009-02-04 16:56:19 |
Context
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2009-02-04
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| 17:40 | Simplify wording of backup API error message. Decapitalize some other error messages. (CVS 6256) (check-in: f92405af user: drh tags: trunk) | |
| 16:56 | The sqlite3_backup_init() interface must lock the destination in case it needs to change the error message. (CVS 6255) (check-in: 572378d3 user: drh tags: trunk) | |
| 15:27 | Fix a bug in test_malloc.c whereby running multi-threaded test cases could cause subsequent OOM tests to fail. (CVS 6254) (check-in: 03ea9e59 user: danielk1977 tags: trunk) | |
Changes
Changes to src/backup.c.
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains the implementation of the sqlite3_backup_XXX() ** API functions and the related features. ** ** $Id: backup.c,v 1.5 2009/02/04 01:49:30 shane Exp $ */ #include "sqliteInt.h" #include "btreeInt.h" /* Macro to find the minimum of two numeric values. */ #ifndef MIN ................................................................................ ** sqlite3_backup_step(). The user is required to ensure that no ** other thread accesses the destination handle for the duration ** of the backup operation. Any attempt to use the destination ** database connection while a backup is in progress may cause ** a malfunction or a deadlock. */ sqlite3_mutex_enter(pSrcDb->mutex); if( pSrcDb==pDestDb ){ sqlite3Error( pDestDb, SQLITE_ERROR, "Source and destination handles must be distinct" ); p = 0; }else { ................................................................................ pp = sqlite3PagerBackupPtr(sqlite3BtreePager(p->pSrc)); p->pNext = *pp; *pp = p; sqlite3BtreeLeave(p->pSrc); p->pSrc->nBackup++; } sqlite3_mutex_leave(pSrcDb->mutex); return p; } /* ** Parameter zSrcData points to a buffer containing the data for ** page iSrcPg from the source database. Copy this data into the |
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains the implementation of the sqlite3_backup_XXX() ** API functions and the related features. ** ** $Id: backup.c,v 1.6 2009/02/04 16:56:19 drh Exp $ */ #include "sqliteInt.h" #include "btreeInt.h" /* Macro to find the minimum of two numeric values. */ #ifndef MIN ................................................................................ ** sqlite3_backup_step(). The user is required to ensure that no ** other thread accesses the destination handle for the duration ** of the backup operation. Any attempt to use the destination ** database connection while a backup is in progress may cause ** a malfunction or a deadlock. */ sqlite3_mutex_enter(pSrcDb->mutex); sqlite3_mutex_enter(pDestDb->mutex); if( pSrcDb==pDestDb ){ sqlite3Error( pDestDb, SQLITE_ERROR, "Source and destination handles must be distinct" ); p = 0; }else { ................................................................................ pp = sqlite3PagerBackupPtr(sqlite3BtreePager(p->pSrc)); p->pNext = *pp; *pp = p; sqlite3BtreeLeave(p->pSrc); p->pSrc->nBackup++; } sqlite3_mutex_leave(pDestDb->mutex); sqlite3_mutex_leave(pSrcDb->mutex); return p; } /* ** Parameter zSrcData points to a buffer containing the data for ** page iSrcPg from the source database. Copy this data into the |