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Overview
| Comment: | Clean up possible locking problem in multithreaded applications that take a malloc failure. (CVS 2611) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 545e702a23c7a6b09e10441d4137efe5 |
| User & Date: | drh 2005-08-21 21:45:02 |
Context
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2005-08-22
| ||
| 02:10 | Update the download page of the website to handle TEA builds and starkits. (CVS 2612) check-in: 1fab599b user: drh tags: trunk | |
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2005-08-21
| ||
| 21:45 | Clean up possible locking problem in multithreaded applications that take a malloc failure. (CVS 2611) check-in: 545e702a user: drh tags: trunk | |
| 18:54 | Version 3.2.3 (CVS 2610) check-in: f620319b user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
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/* If there are outstanding locks, do not actually close the file just
** yet because that would clear those locks. Instead, add the file
** descriptor to pOpen->aPending. It will be automatically closed when
** the last lock is cleared.
*/
int *aNew;
struct openCnt *pOpen = id->pOpen;
pOpen->nPending++;
aNew = sqliteRealloc( pOpen->aPending, pOpen->nPending*sizeof(int) );
if( aNew==0 ){
/* If a malloc fails, just leak the file descriptor */
}else{
pOpen->aPending = aNew;
pOpen->aPending[pOpen->nPending-1] = id->h;
}
}else{
/* There are no outstanding locks so we can close the file immediately */
close(id->h);
}
releaseLockInfo(id->pLock);
releaseOpenCnt(id->pOpen);
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< | | > |
1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 |
/* If there are outstanding locks, do not actually close the file just
** yet because that would clear those locks. Instead, add the file
** descriptor to pOpen->aPending. It will be automatically closed when
** the last lock is cleared.
*/
int *aNew;
struct openCnt *pOpen = id->pOpen;
aNew = sqliteRealloc( pOpen->aPending, (pOpen->nPending+1)*sizeof(int) );
if( aNew==0 ){
/* If a malloc fails, just leak the file descriptor */
}else{
pOpen->aPending = aNew;
pOpen->aPending[pOpen->nPending] = id->h;
pOpen->nPending++;
}
}else{
/* There are no outstanding locks so we can close the file immediately */
close(id->h);
}
releaseLockInfo(id->pLock);
releaseOpenCnt(id->pOpen);
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