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Overview
| Comment: | Comment out some code in os_unix.c that only runs on MacOSX with SQLITE_ENABLE_LOCKING_STYLE. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
4e50b0362ab6604a4b6c9f4ad849ec17 |
| User & Date: | drh 2011-02-25 03:25:07 |
Context
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2011-03-02
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| 02:08 | Log all error from close() in os_unix.c to sqlite3_log() but do not attempt to report errors back up to the application. Update the unix error logging to put the most important information earlier in the message. check-in: 7b6e30e6 user: drh tags: trunk | |
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2011-03-01
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| 18:42 | Add the experimental sqlite3_preupdate_hook() API. check-in: 6145d7b8 user: dan tags: sessions | |
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2011-02-25
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| 03:25 | Comment out some code in os_unix.c that only runs on MacOSX with SQLITE_ENABLE_LOCKING_STYLE. check-in: 4e50b036 user: drh tags: trunk | |
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2011-02-24
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| 21:10 | Fix a typo in a comment. No changes to code. check-in: af475618 user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
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** write lock until the rest is covered by a read lock:
** 1: [WWWWW]
** 2: [....W]
** 3: [RRRRW]
** 4: [RRRR.]
*/
if( eFileLock==SHARED_LOCK ){
if( handleNFSUnlock ){
off_t divSize = SHARED_SIZE - 1;
lock.l_type = F_UNLCK;
lock.l_whence = SEEK_SET;
lock.l_start = SHARED_FIRST;
lock.l_len = divSize;
................................................................................
tErrno = errno;
rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_UNLOCK);
if( IS_LOCK_ERROR(rc) ){
pFile->lastErrno = tErrno;
}
goto end_unlock;
}
}else{
lock.l_type = F_RDLCK;
lock.l_whence = SEEK_SET;
lock.l_start = SHARED_FIRST;
lock.l_len = SHARED_SIZE;
if( fcntl(h, F_SETLK, &lock)==(-1) ){
tErrno = errno;
rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_RDLOCK);
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** write lock until the rest is covered by a read lock:
** 1: [WWWWW]
** 2: [....W]
** 3: [RRRRW]
** 4: [RRRR.]
*/
if( eFileLock==SHARED_LOCK ){
#if !defined(__APPLE__) || !SQLITE_ENABLE_LOCKING_STYLE
assert( handleNFSUnlock==0 );
#endif
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
if( handleNFSUnlock ){
off_t divSize = SHARED_SIZE - 1;
lock.l_type = F_UNLCK;
lock.l_whence = SEEK_SET;
lock.l_start = SHARED_FIRST;
lock.l_len = divSize;
................................................................................
tErrno = errno;
rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_UNLOCK);
if( IS_LOCK_ERROR(rc) ){
pFile->lastErrno = tErrno;
}
goto end_unlock;
}
}else
#endif /* defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE */
{
lock.l_type = F_RDLCK;
lock.l_whence = SEEK_SET;
lock.l_start = SHARED_FIRST;
lock.l_len = SHARED_SIZE;
if( fcntl(h, F_SETLK, &lock)==(-1) ){
tErrno = errno;
rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_RDLOCK);
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