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Overview
| Comment: | Have the crash-test infrastructure code in test6.c read and write the 512-byte block containing the pending-byte lock as normal. Earlier versions did not access this part of the file in order to avoid triggering an assert in os_unix.c. But the assert() has since been removed. And not reading/writing this part of the file causes problems for multiplexor tests. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | zipvfs-multifile-commit |
| Files: | files | file ages | folders |
| SHA1: |
fdc3f3fa3de1481860e1e2a819db2d6c |
| User & Date: | dan 2013-12-11 11:03:19 |
Context
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2013-12-11
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| 14:17 | Merge in the latest trunk changes. Closed-Leaf check-in: 9ff4dfe1 user: drh tags: zipvfs-multifile-commit | |
| 11:03 | Have the crash-test infrastructure code in test6.c read and write the 512-byte block containing the pending-byte lock as normal. Earlier versions did not access this part of the file in order to avoid triggering an assert in os_unix.c. But the assert() has since been removed. And not reading/writing this part of the file causes problems for multiplexor tests. check-in: fdc3f3fa user: dan tags: zipvfs-multifile-commit | |
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2013-12-10
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| 17:34 | Use SQLITE_FCNTL_SYNC instead of SQLITE_FCNTL_SYNC_OMITTED. Add documentation in for FCNTL_SYNC and FCNTL_COMMIT_PHASETWO. check-in: 46231af9 user: dan tags: zipvfs-multifile-commit | |
Changes
Changes to src/test6.c.
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/*
** Wrapper around the sqlite3OsWrite() function that avoids writing to the
** 512 byte block begining at offset PENDING_BYTE.
*/
static int writeDbFile(CrashFile *p, u8 *z, i64 iAmt, i64 iOff){
int rc = SQLITE_OK;
int iSkip = 0;
if( iOff==PENDING_BYTE && (p->flags&SQLITE_OPEN_MAIN_DB) ){
iSkip = 512;
}
if( (iAmt-iSkip)>0 ){
rc = sqlite3OsWrite(p->pRealFile, &z[iSkip], (int)(iAmt-iSkip), iOff+iSkip);
}
return rc;
}
/*
................................................................................
const int isDb = (flags&SQLITE_OPEN_MAIN_DB);
i64 iOff;
memset(pWrapper->zData, 0, pWrapper->nData);
for(iOff=0; iOff<pWrapper->iSize; iOff += 512){
int nRead = (int)(pWrapper->iSize - iOff);
if( nRead>512 ) nRead = 512;
if( isDb && iOff==PENDING_BYTE ) continue;
rc = sqlite3OsRead(pReal, &pWrapper->zData[iOff], nRead, iOff);
}
}else{
rc = SQLITE_NOMEM;
}
}
if( rc!=SQLITE_OK && pWrapper->pMethod ){
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/*
** Wrapper around the sqlite3OsWrite() function that avoids writing to the
** 512 byte block begining at offset PENDING_BYTE.
*/
static int writeDbFile(CrashFile *p, u8 *z, i64 iAmt, i64 iOff){
int rc = SQLITE_OK;
int iSkip = 0;
if( (iAmt-iSkip)>0 ){
rc = sqlite3OsWrite(p->pRealFile, &z[iSkip], (int)(iAmt-iSkip), iOff+iSkip);
}
return rc;
}
/*
................................................................................
const int isDb = (flags&SQLITE_OPEN_MAIN_DB);
i64 iOff;
memset(pWrapper->zData, 0, pWrapper->nData);
for(iOff=0; iOff<pWrapper->iSize; iOff += 512){
int nRead = (int)(pWrapper->iSize - iOff);
if( nRead>512 ) nRead = 512;
rc = sqlite3OsRead(pReal, &pWrapper->zData[iOff], nRead, iOff);
}
}else{
rc = SQLITE_NOMEM;
}
}
if( rc!=SQLITE_OK && pWrapper->pMethod ){
|