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Overview
| Comment: | Remove a redundant test from the shared-memory logic in os_unix.c. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
31142ca795005bf664f34000591e6572 |
| User & Date: | drh 2012-02-11 18:51:34 |
Context
|
2012-02-11
| ||
| 19:23 | When creating journal files (including -wal and -shm files) try to set the ownership to be the same as the original database. This will prevent root from locking out the original owner of the file. check-in: 1254dffe user: drh tags: trunk | |
| 18:51 | Remove a redundant test from the shared-memory logic in os_unix.c. check-in: 31142ca7 user: drh tags: trunk | |
|
2012-02-10
| ||
| 20:43 | Fix a warning coming from the Solaris Studio compiler. check-in: 33294bbd user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 |
int openFlags = O_RDWR | O_CREAT;
if( sqlite3_uri_boolean(pDbFd->zPath, "readonly_shm", 0) ){
openFlags = O_RDONLY;
pShmNode->isReadonly = 1;
}
pShmNode->h = robust_open(zShmFilename, openFlags, (sStat.st_mode&0777));
if( pShmNode->h<0 ){
if( pShmNode->h<0 ){
rc = unixLogError(SQLITE_CANTOPEN_BKPT, "open", zShmFilename);
goto shm_open_err;
}
}
/* Check to see if another process is holding the dead-man switch.
** If not, truncate the file to zero length.
*/
rc = SQLITE_OK;
if( unixShmSystemLock(pShmNode, F_WRLCK, UNIX_SHM_DMS, 1)==SQLITE_OK ){
|
< | | < |
3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 |
int openFlags = O_RDWR | O_CREAT;
if( sqlite3_uri_boolean(pDbFd->zPath, "readonly_shm", 0) ){
openFlags = O_RDONLY;
pShmNode->isReadonly = 1;
}
pShmNode->h = robust_open(zShmFilename, openFlags, (sStat.st_mode&0777));
if( pShmNode->h<0 ){
rc = unixLogError(SQLITE_CANTOPEN_BKPT, "open", zShmFilename);
goto shm_open_err;
}
/* Check to see if another process is holding the dead-man switch.
** If not, truncate the file to zero length.
*/
rc = SQLITE_OK;
if( unixShmSystemLock(pShmNode, F_WRLCK, UNIX_SHM_DMS, 1)==SQLITE_OK ){
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