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661 Commits

Author SHA1 Message Date
dan
a688ca5ea9 Fix a problem in os_unix.c causing it to return SQLITE_CANTOPEN instead of 
SQLITE_READONLY_RECOVERY.

FossilOrigin-Name: 6a16f554f027ba268276b728588b5eaea837cbed85358a06a2f6da3b70e834ad
 2018-01-10 11:56:03 +00:00
dan
9898c4a0c4 In the os_unix.c implementation of xOpen(), do not return 
SQLITE_READONLY_DIRECTORY in cases where the file cannot be opened for reasons
other than a readonly directory, such as the process running out of file
descriptors.

FossilOrigin-Name: fa8b80bb967792de99808712ac03e37ace0f11eb8fbe444aacd3d19184c425ea
 2018-01-09 20:34:53 +00:00
drh
258dfe48cf An improved way of generating the SQLITE_READONLY_DIRECTORY error. 
The error message submitted to sqlite3_log() is still correct this way.

FossilOrigin-Name: 1c0aa919ee429cd194820ec9c54084563f39e63fd399b23f859fc6703b429b15
 2017-12-13 20:35:34 +00:00
drh
a803a2cd98 New result code SQLITE_READONLY_DIRECTORY is returned when an attempt is 
made to write on a database file that is in a read-only directory and hence
the journal file could not be created.  This situation formerly returned
SQLITE_CANTOPEN, which less helpful.

FossilOrigin-Name: 3ec73c38f878d73d278fce99ba10c708dcc475835774f1e17769ff7315be6d7c
 2017-12-13 20:02:29 +00:00
drh
37874b5f74 Minor enhancement to two assert() statements in the default VFSes. 
FossilOrigin-Name: 9cede8a83ca4cd88d504050115e1e89e7b3d3cd3cb2ffb5b8961e311a23ff5e2
 2017-12-13 10:11:09 +00:00
drh
62be1fab6a Fix a harmless API signature mismatch in the unix VFS. 
FossilOrigin-Name: bab9de7fdda20a724f7c21ec2c25b488ece08b685f1e4fd15c9e73b6b4a0133a
 2017-12-09 01:02:33 +00:00
drh
7e45e3a5d7 Change the name of SQLITE_READONLY_CANTLOCK to SQLITE_READONLY_CANTINIT. 
FossilOrigin-Name: 6d7f94faa7e6de62f82bc6cac019508a9c1ffd6fa1d14f52fa93e9c06afdd32f
 2017-11-08 17:32:12 +00:00
dan
f12ba66cf8 On unix, if the *-shm file cannot be opened for read/write access, open it 
read-only and proceed as if the readonly_shm=1 URI option were specified.

FossilOrigin-Name: ba718754fa5ab8596cb84b751051de98afa2706fe6c5df39ad6d925d790719ee
 2017-11-07 15:43:52 +00:00
dan
92c02da33e If a readonly_shm connection cannot map the *-shm file because no other 
process is holding the DMS lock, have it read from the database file only,
ignoring any content in the wal file.

FossilOrigin-Name: ce5d13c2de69b73378637d4f7e109714f7cd17bf1d1ad995e0be442d517ed1b3
 2017-11-01 20:59:28 +00:00
dan
176b2a916b Fix a race condition in os_unix.c that might allow a client to use a *-shm 
file corrupted by a power failure if another client fails between locking the
*-shm file and truncating it to zero bytes.

FossilOrigin-Name: d655bfabd110999b6808073c334869c5b6a8334df56811df883e47e56d3f1cbb
 2017-11-01 06:59:19 +00:00
dan
ab04eff809 Fix an error in the previous commit on this branch. 
FossilOrigin-Name: f71dfee06ce1e0eee760cfca19482bdec7729d6c7d28f10f4cfd21e1f92a04b0
 2017-10-26 17:34:50 +00:00
dan
9181ae990a Instead of extra locks, use F_GETLK to ensure that readonly_shm clients cannot 
connect to a wal-mode database if there are no writers.

FossilOrigin-Name: 5492f457dc7cc5c416de4b4e61e84bd2f10b4e6ce54011b7a60feb47f629c923
 2017-10-26 17:05:22 +00:00
drh
b5039fb7d3 Use extra locks to prevent a readonly_shm=1 process from connecting to a 
WAL-mode database if there are no writers.

FossilOrigin-Name: 35d979082b4ab36d6a8975f8f15a50e69f46b72a173164d2b353377b9f758bd8
 2017-10-25 23:28:13 +00:00
drh
b5d013edd1 Do not reference the ioctl() system call in the unix backend unless it 
is actually needed by the Batch Atomic Write extension.  This should allow
the build to work on VxWorks.

FossilOrigin-Name: adfa7ed2de3e833fff65935455e71236a59602aaf7b97ece667ab300dca9f673
 2017-10-25 16:14:12 +00:00
dan
3ed0f1c936 Add another test case for the problem fixed by the previous commit. 
FossilOrigin-Name: 1a7e0b61c8a6bdd3ed105b9bc8a3732668fd7a897d2ed16c99445498e3c87089
 2017-09-14 21:12:07 +00:00
dan
629ec14abc Avoid an out-of-bounds read that can be caused by a specially constructed 
journal file.

FossilOrigin-Name: cf5bf42cad6e019a38dc0a36ff1f53ada619eef5259e175c3554a16669e03202
 2017-09-14 20:41:17 +00:00
drh
2e2338101a Fix error tests in seldom-used compile-time branches of the unix backend. 
FossilOrigin-Name: 885c2b44a44f8d054014e4079b2cac8279c11d13206d5b5215189ef75b9c5254
 2017-08-22 15:21:54 +00:00
drh
c68886bb9e For the unix VFS, avoid an unnecessary stat() system call prior to opening 
any file in the common case where there are no unused file descriptors.

FossilOrigin-Name: 3075cfa07489eaf13cb9a2760e2391e79dd73181fe1730fae7bdcd6ad66d2a1f
 2017-08-18 16:09:52 +00:00
mistachkin
e35395a45a On Windows, avoid casting a value larger than 2^31 to a (SIZE_T) on systems where it is a 32-bit type. 
FossilOrigin-Name: f08d63b413601b22726e8b96ff8eb779857321b9df30db0333f71e50ffb5077d
 2017-08-07 19:06:54 +00:00
dan
089df50687 Fix a problem with handling SQLITE_FCNTL_MMAP_SIZE requests with a negative 
parameter in os_unix.c.

FossilOrigin-Name: 4249fcf7b0c0233f9b3ba5139702738d5221c5309240e6e91dc139eff59471fe
 2017-08-07 18:54:10 +00:00
dan
43c1e622cd Avoid casting a value larger than 2^31 to a (size_t) on systems where it 
is a 32-bit type.

FossilOrigin-Name: 46c3085dcad6372ac20eff499e17fe11680fdf4adb9186bf8b12221a5047e485
 2017-08-07 18:13:28 +00:00
drh
344f763f72 Add new extended error codes for the atomic write file-controls. 
FossilOrigin-Name: 94a2004756ffe027b3495be91366750135c294a9c460edc9a1b4b9422dcc33bd
 2017-07-28 13:18:35 +00:00
dan
77b4f528fa Do not set device-capabilities flags SEQUENTIAL or SAFE_APPEND for f2fs 
file-systems.

FossilOrigin-Name: 4477e60cd801dab7a8aec12c5bc5e81e774bedbfed38abbc8eb8b37336141a44
 2017-07-27 18:34:00 +00:00
drh
d76dba7eb5 Omit unused batch-atomic-write code if SQLITE_ENABLE_BATCH_ATOMIC_WRITE is 
not defined.

FossilOrigin-Name: a89b62c4966cd297326e8712da40e0962d2328d7ba1f201d5abcec911eeef347
 2017-07-22 16:00:34 +00:00
dan
9d70954094 Use ioctl(F2FS_IOC_GET_FEATURES) to determine whether or not atomic batch 
writes are available.

FossilOrigin-Name: 532bbf1f2b1028db4e581c756533aa660e482d833caaed4eafb299ef9b584f3a
 2017-07-21 21:06:24 +00:00
dan
efe1697191 Add support for F2FS atomic writes. Untested at this point. 
FossilOrigin-Name: 416973ede3bde8567d1f2699728f72352979e054ef988d1c1e1cfe4290f6f8b8
 2017-07-20 19:49:14 +00:00
drh
25ef7f55d7 Work around a bug in the definition of "ino_t" on some versions of Android. 
FossilOrigin-Name: 8df492c1711bfea250264fdaa4892e0842705f83
 2016-12-05 20:06:45 +00:00
dan
1bf4ca7c42 Add the "modeof=<filename>" URI parameter to os_unix.c - used to specify a file to copy permissions from when a new database is created. Also allow passing NULL as the second parameter to sqlite3rbu_vacuum(). 
FossilOrigin-Name: ed406d31ff54ee3de8db91690a966e5c561f8f94
 2016-08-11 18:05:47 +00:00
drh
2aab11fa5a Fix the temporary directory search algorithm for unix so that it fails 
gracefully even if all candidate directories are inaccessible.  This fixes
a bug that was introduced by check-in [9b8fec60d8e].

FossilOrigin-Name: 614bb709d34e11488da88861243023cc5de4b409
 2016-04-29 20:30:56 +00:00
drh
97a7e5e68c The pcache and the built-in VFSes should not use mutexes when 
SQLITE_CONFIG_SINGLETHREAD is set.

FossilOrigin-Name: 12418b100196abbfbfb85e0ab4bb6b1cbf335df7
 2016-04-26 18:58:54 +00:00
drh
23ee893752 Fix the fix to the temporary directory search algorithm so that it continues 
to return "." as a fallback if that directory has the correct permissions.

FossilOrigin-Name: b38fe522cfc971b37ca04e7b63a92bbb6e0b01e1
 2016-04-23 20:59:23 +00:00
drh
7694e06461 Change the temporary directory search algorithm on unix so that directories 
with only -wx permission are allowed.  And do not allow "." to be returned if
it lacks -wx permission.

FossilOrigin-Name: 67985761aa93fb613b87d340e75371fa55b0f778
 2016-04-21 23:37:24 +00:00
drh
f9986d90d1 The last parameter to pread64() and pwrite64() should be off64_t, not off_t. 
FossilOrigin-Name: 3a7d72986fabe9434ff5bd02c93169314f072b23
 2016-04-18 13:09:55 +00:00
drh
f878e6e1a7 Update comments on the unix file locking protocol. No changes to code. 
FossilOrigin-Name: 716b20de4306de1653ba5bcdbfb8d210d2d46e1a
 2016-04-07 13:45:20 +00:00
drh
6369bc3fbb Remove an unreachable branch from the unlink verification logic in the UNIX 
VFS.

FossilOrigin-Name: 4dc30cce7fdb7dba9a9aad96bb8b499b965610b2
 2016-03-21 16:06:42 +00:00
drh
1b9f2141a7 Experimental implementation of the sqlite3_system_errno() interface. 
FossilOrigin-Name: 6782c87b3722fbd09684a5b1e5df05247956f1c6
 2016-03-17 16:01:23 +00:00
drh
3f77389bb4 Avoid a few unnecessary fstat()s on journal files. 
FossilOrigin-Name: dbf84705913c0845ca4e75eb30c91536c754efeb
 2016-03-16 19:10:46 +00:00
drh
79a2ca3944 Further fixes to the pread()/pwrite() enabling logic. 
FossilOrigin-Name: 38fb54e7854ac0500a88585ff9dd7487b4b2e586
 2016-03-04 03:14:39 +00:00
drh
a46cadc42e Fix the build for cases when pread()/pwrite() are not available. 
FossilOrigin-Name: 7d67d876b70c7a4199697c5b112d809c600e140e
 2016-03-04 03:02:06 +00:00
drh
e32a256acd Update the configure script to detect pread/pwrite and update os_unix.c to 
use those routines if they are available.

FossilOrigin-Name: 2cffb9e50bed77d1079603f5b4a71b7559de7294
 2016-03-04 02:38:00 +00:00
mistachkin
fad3039c51 Enhance ability to debug out-of-memory errors. 
FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
 2016-02-13 23:43:46 +00:00
drh
6d258995e6 Refinements to synchronous logic: 
(1) Use PAGER_SYNCHRONOUS_FULL rather than the corresponding magic number.
(2) Honor SQLITE_NO_SYNC on xDelete calls with sync
(3) Count xDelete syncs during testing
(4) Fix #ifs on SQLITE_EXTRA_DURABLE so that directory syncs on journal
unlink are off by default.

FossilOrigin-Name: e3157cb5ad0d22758e766a95fb1463a7810f7d7f
 2016-02-04 09:48:12 +00:00
dan
2349670262 Ensure that unixFullpathname() always nul-terminates its output buffer, even when returning an error. 
FossilOrigin-Name: 4a4385564dd3887a7953820b60c99d6ce289f96a
 2016-01-26 13:56:42 +00:00
drh
f0fc992936 Remove an unused variable. 
FossilOrigin-Name: 1c2656c1d37906230edc142d3a4253b16b6e925f
 2016-01-26 00:12:42 +00:00
dan
af1b36b1df Only use lstat() if the HAVE_LSTAT macro is defined. Fix some test file issues. 
FossilOrigin-Name: 8a6e4147a680ad6c5fdd588468b6daac82349d2c
 2016-01-25 18:43:05 +00:00
dan
caf6b150a1 Simplify the unixFullpathname() function. This adds a dependency on lstat(). 
FossilOrigin-Name: f71249d3db9242b8f38955db51a7a5789d002803
 2016-01-25 18:05:49 +00:00
dan
e88ec187cd Fix issues on unix with opening database files via symlinks that are not in the current working directory. And with nested symlinks. 
FossilOrigin-Name: 80398fd44fb232193450103808e1854e0eba5652
 2016-01-25 17:04:48 +00:00
drh
c3dfa5eba7 Reenable the xCurrentTime and xGetLastError methods on the unix VFSes as long 
as SQLITE_OMIT_DEPRECATED is not defined.

FossilOrigin-Name: c11c85fdb6514cae54bb44945cc197dcaba72307
 2016-01-22 19:44:03 +00:00
drh
e2258a2076 Various #ifdef enhancements for improved VxWorks support. 
FossilOrigin-Name: 75cd41ff179e29c5d45f9d7fed784bc339e0d7a0
 2016-01-12 00:37:55 +00:00
drh
a829992969 Typo fix in the previous commit. 
FossilOrigin-Name: 52c166039831cc8423e2252019ef64a21b9d7c2a
 2016-01-08 22:31:00 +00:00