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Overview
| Comment: | Simplification of the logic used to take the process-wide lock in the unix-excl VFS. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 73defd52bb0e3e5db763d3bfbeebc972 |
| User & Date: | drh 2015-12-02 01:04:33 |
Context
|
2015-12-02
| ||
| 02:08 | Fix a (harmless) off-by-one error in the unix VFS logic that fsync()s a directory after deleting a file. check-in: 3d02711a user: drh tags: trunk | |
| 01:04 | Simplification of the logic used to take the process-wide lock in the unix-excl VFS. check-in: 73defd52 user: drh tags: trunk | |
| 00:05 | Remove all traces of SQLITE_FCNTL_WAL_BLOCK from the unix VFS - that feature had been disabled for a long time and never actually worked. check-in: e1d5320c user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 |
** to fcntl() fails. In this case, errno is set appropriately (by fcntl()).
*/
static int unixFileLock(unixFile *pFile, struct flock *pLock){
int rc;
unixInodeInfo *pInode = pFile->pInode;
assert( unixMutexHeld() );
assert( pInode!=0 );
if( ((pFile->ctrlFlags & UNIXFILE_EXCL)!=0 || pInode->bProcessLock)
&& ((pFile->ctrlFlags & UNIXFILE_RDONLY)==0)
){
if( pInode->bProcessLock==0 ){
struct flock lock;
assert( pInode->nLock==0 );
lock.l_whence = SEEK_SET;
lock.l_start = SHARED_FIRST;
lock.l_len = SHARED_SIZE;
lock.l_type = F_WRLCK;
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| < < |
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 |
** to fcntl() fails. In this case, errno is set appropriately (by fcntl()).
*/
static int unixFileLock(unixFile *pFile, struct flock *pLock){
int rc;
unixInodeInfo *pInode = pFile->pInode;
assert( unixMutexHeld() );
assert( pInode!=0 );
if( (pFile->ctrlFlags & (UNIXFILE_EXCL|UNIXFILE_RDONLY))==UNIXFILE_EXCL ){
if( pInode->bProcessLock==0 ){
struct flock lock;
assert( pInode->nLock==0 );
lock.l_whence = SEEK_SET;
lock.l_start = SHARED_FIRST;
lock.l_len = SHARED_SIZE;
lock.l_type = F_WRLCK;
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