database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-12 13:01:09 +03:00
Code Activity
24,557 Commits 1,607 Branches 185 Tags
20a9ed1dc6fd63573e49328d27e955969f18470d
Commit Graph

736 Commits

Author SHA1 Message Date
drh
20a9ed1dc6 Include the kv-vfs as an optional VFS on unix builds if the 
SQLITE_OS_KV_OPTIONAL compile-time option is present.

FossilOrigin-Name: 852812d1e2ec3c53ad7c6c64662b37d861fefcf1baeee3d58eba88bcb3f6d8df
 2022-09-17 18:29:49 +00:00
drh
b126ec18b6 Fix the <sys/time.h> include in os_kv.c. 
FossilOrigin-Name: 878cc93e779c3857adc711f212520f007256274fcd3f6f3d72c754a937fcd198
 2022-09-12 19:33:20 +00:00
drh
6b013afb88 Fix the amalgamation so that it builds with the standard unix backend again. 
FossilOrigin-Name: 0adf158f4e5791339988185cc29347c75056b062e0db65b5999fdfa1f433c1ed
 2022-09-12 12:41:07 +00:00
drh
18a3a48db1 Experimental changes to put sqlite3_temp_directory behind a mutex. 
FossilOrigin-Name: 5ee3515fbb88bf1ae5f8b507844f82dcc429380b6ebeab9b09b52b25ee60a60d
 2022-09-02 00:36:16 +00:00
drh
087f143f87 Add the (undocumented) SQLITE_DEFAULT_UNIX_VFS compile-time option. 
FossilOrigin-Name: 49828bdec5f926cd18a069d39a5db0b1e1f3528a2affcfbaa1cf7b98aca51b3b
 2022-08-12 18:46:01 +00:00
drh
b8b2d9c5e1 Fix harmless compiler warnings in the new unixFullPathname implementation. 
FossilOrigin-Name: f7e1ceb5b59a876cfd04a8aac0ee2b322c970555b9c361b4953d711ef6596e37
 2022-05-17 15:11:57 +00:00
drh
b302c065d8 Use osReadlink() in os_unix.c, not readlink() directly. 
FossilOrigin-Name: c3da4c1611cebd9f9d695892a3ffddc47d5f0db1a1ea8bd2b4f83ef7673b68de
 2022-05-11 17:45:50 +00:00
drh
e8346d0a88 For the unix VFS, rewrite the xFullPathname method so that it automatically 
resolves all symbolic links, rendering a canonical pathname that contains
no symlinks.

FossilOrigin-Name: 40c9273d0e0e74e1df22e996a5d486e838f4320defd2121e2d95eeed8aea6235
 2022-05-11 16:46:27 +00:00
drh
56d88aad29 Harden the xShmLock method of both the unix and Windows VFSes so that they 
are robust against being invoked when the SHM file is not open.

FossilOrigin-Name: 67d8b434f628d44c4a90ce8ff5ab2e381f500bb42bdbfab9a17d21925a2ec6cd
 2022-03-22 19:41:55 +00:00
drh
577f0a1e45 Improve the defenses against bad pathnames input into the findCreateFileMode() 
function of os_unix.c in order to quiet static-analyzer warnings.  There
are no demonstrated problems in the prior code, but this change makes the code
easier to prove correct and more robust against future changes.

FossilOrigin-Name: a9cda38997a692e25d2fe994a9a3fb9472c00ba04323c82e706fdb1112d4244e
 2022-03-09 12:20:40 +00:00
dan
d9137e3be0 Fix a benign data race in os_unix.c that might trouble tsan and similar tools. 
FossilOrigin-Name: 95806ac1dabe4598170061d903ae30f09bafac149ff6696963a7e056ac846cdb
 2021-11-19 14:02:43 +00:00
dan
a12a40c3f0 Add #ifdef logic to os_unix.c so that it builds with SQLITE_OMIT_WAL defined. 
FossilOrigin-Name: 948c2cb2a2f44ba069cfbf5e9a57e56964f3a40db57459bb439bea9c3bd9f211
 2021-11-02 11:09:24 +00:00
drh
f81b40a52d Provide an assert() to fire for applications that should never open or create 
a disk-based database file.

FossilOrigin-Name: 5218ac788ca35fdd7f98117758f0bef9d55fe7517098e7bf62fda3fed2af3d51
 2021-10-23 22:11:18 +00:00
drh
f6d07c83fc Back out the SQLITE_OPEN_EXCLUSIVE changes because it does not work on 
Windows and it does not work always on unix.

FossilOrigin-Name: d008ad793dfb11c287f366377cbc561acedef6c9d08b1557f463484eda41a84e
 2021-10-13 14:45:35 +00:00
drh
dff34ab96f Allow the SQLITE_OPEN_EXCLUSIVE flag in sqlite3_open(). Return the 
SQLITE_CANTOPEN_EXISTS extended code to indicate that the open failed because
the database already exists.

FossilOrigin-Name: d091150ff80709a1e50e0431aa33021f036979e4a88e9769eeec431dfad6d5f5
 2021-06-24 18:23:54 +00:00
drh
f54e79405e Fix some minor #ifdef issues so that all of the supported compile-time 
options continue to build.

FossilOrigin-Name: d8cf407046f20b0398f19acd0dab6acb6c742911e21e1003cb5b194dd668d98e
 2021-06-15 18:46:06 +00:00
drh
04f4b6836b Fix a formatting error on the comment. 
FossilOrigin-Name: 6f2fb60e499fc758bea6ffec030fef8ab5f97d08d31450f0b3ffafc20e652891
 2021-05-19 19:27:42 +00:00
drh
187e2e48a8 Add a table of shared-memory lock offsets in a comment in the os_unix.c code. 
Include some assert()s to help verify the numbers.

FossilOrigin-Name: b480aacb3430a789d98ffd81a1886bbbc3cda5b0e736ec9a3e2b463db2a3b3ad
 2021-05-19 16:55:28 +00:00
dan
aecc04d642 Add experimental SQLITE_FCNTL_EXTERNAL_READER file control. 
FossilOrigin-Name: e16da5af822ef31d7e05992403cf9787fbb3d9abb0b5283aba55ea07e1830a72
 2021-04-02 19:55:48 +00:00
drh
8e7c82ca3f Fix a problem with the filename normalizer in unix, discovered by dbsqlfuzz. 
FossilOrigin-Name: ff1eca7fcdcbc550a5f23db9d85281e5373500912699a7c7ae54bc0df0547e26
 2021-03-18 13:55:25 +00:00
drh
d46beb06aa In os_unix.c, put ALWAYS() on unreachable branches associated with pathname 
normalization.

FossilOrigin-Name: b45a08e3c7edfa76b699d3e29f28daa5bd08039668ec57121e4e85edf36150f1
 2020-11-23 17:36:06 +00:00
drh
6fc74a4454 The xFullPathname method of the unix VFS now normalizes the filenames by 
omitting surplus "/", "/./" and "/../" strings.

FossilOrigin-Name: c38dec6f52c01614c1bee8356daf0fcd9f708d029116e9bff51e06719a730dde
 2020-11-19 21:12:08 +00:00
drh
f56a4bfcd1 Improvements to the mechanism that attempts to report SQLITE_CORRUPT if 
pread() says that the underlying filesystem is corrupt.

FossilOrigin-Name: b887c7504e7edeba758f3c1203c6cc56eef499fe05e7e6c6d82939bf7d78c57f
 2020-11-18 21:50:05 +00:00
drh
5a07d10fd1 On unix, for certain error codes of read()/pread() return 
SQLITE_IOERR_CORRUPTFS instead of SQLITE_IOERR_READ.  And then convert this
error into SQLITE_CORRUPT prior to returning back to the application.

FossilOrigin-Name: 9538ea8447e7b07c05197d6ff2208d3e97b45798736c85b63e8f0c7a3a98c1f3
 2020-11-18 12:48:48 +00:00
drh
7f42dcd901 Enhance the unix VFS so that it removes extra "/", "/./" and "/../" from 
the database filename.

FossilOrigin-Name: 7ba89d3e5c68d970ed26c2ec6e6e34bae535c2cc0b22a022d20ac9ff4527b8ab
 2020-11-16 18:45:21 +00:00
drh
78043e891a Add ALWAYS() to conditionals associated with SHM locking that are always true. 
FossilOrigin-Name: b599e89076d60afede7d2b3503b9338ca863d0c2d25799afe4080a6186386ea9
 2020-11-06 16:48:55 +00:00
drh
ddcfe92105 Do not invoke usleep() for more than 999999 microseconds. 
FossilOrigin-Name: 1f5ed852f25515bbc0a7aaf236fdef40fa7e31805eee1249277fde4e68f95130
 2020-09-15 12:29:35 +00:00
dan
2b06b0769e Ensure that the busy-handler count is reset at the end of each sqlite3_file_control() and sqlite3_prepare() (and _v2() and _v3()). 
FossilOrigin-Name: 5dd05940617fb05ee2faf212b15afc3a8e9695318eccb76761b37359fea681d1
 2020-09-04 17:30:59 +00:00
dan
6acdee6765 Fix handling of an xShmLock(SHARED, UNLOCK) call when the caller does not hold any lock on the specified slot, but another connection in the same process holds an EXCLUSIVE. 
FossilOrigin-Name: 3eb365027b885e1f61965efd53a3643b6ff441ae01e79038a091314516a50dd4
 2020-08-28 20:01:06 +00:00
dan
8337da6678 Modify the unixShmLock() function to avoid iterating through the (possibly large) set of connections to the same database file. 
FossilOrigin-Name: e0faddf0dfc3a40b6b94408296dd781dd0264ecc9f2129ce4405438433fb00e0
 2020-08-28 19:27:15 +00:00
drh
14f38b3d0a Try to make SQLite easier to compiler for Mac Catalyst. See 
[https://sqlite.org/forum/forumpost/803387a1c5|forum post 803387a1c5].

FossilOrigin-Name: e1595a20d71e61957944cc2b634578968cda8fba08a1f1e75edba20dc9c6080b
 2020-08-19 23:51:54 +00:00
drh
0c52f5a2b0 Fix other potentiall pointer aliasing problems associated with subclassing 
of the sqlite3_file object for various VFS implementations.

FossilOrigin-Name: 270ac1a0f232d75537be40abae559004e950b992cb2c7e94cd6de66e96ae17bd
 2020-07-24 09:17:42 +00:00
drh
067b92ba00 Extend the refactoring into extensions. Clean up stray newlines. 
FossilOrigin-Name: 7a876209a678a34c198b54ceef9e3c041f128a14dc73357f6a57cadadaa6cf7b
 2020-06-19 15:24:12 +00:00
drh
ccb2113a62 Refactoring various names. No changes in the resulting machine code. 
FossilOrigin-Name: 7bb08b1bfcf184e4b59c8c9028926a0052612ff6a6731914ccdb8dee07ea4a98
 2020-06-19 11:34:57 +00:00
dan
d31fcd4751 Expand upon a comment in os_unix.c. No changes to code. 
FossilOrigin-Name: 77933dc4dbe0e0af3b13a14293a8bd684edc5056f4ae9291c6f95d4433bf90ce
 2020-05-29 11:07:20 +00:00
dan
7a623e1d25 Fix a problem preventing building without SQLITE_ENABLE_SETLK_TIMEOUT defined. 
FossilOrigin-Name: 98eb54c6d83992886f17a00b6fc8998df230e3b5f45bafc6fae0d15a9ee5a4c6
 2020-05-06 20:45:11 +00:00
dan
7bb8b8a4f7 Add error code SQLITE_BUSY_TIMEOUT, used internally by the OS layer to indicate that a call to xShmLock() has failed due to timeout of a blocking lock. 
FossilOrigin-Name: f3ef9c7c2b4ba3de1057ad569f068b241d5f23e6629d8e0dacf85e57fd13b8aa
 2020-05-06 20:27:18 +00:00
dan
d0e6d13301 Add tests for running recovery when opening a write transaction or performing a checkpoint with blocking locks enabled. Fix some failing assert() statements. 
FossilOrigin-Name: d096ea3fe20f8af90f9e3f798fd0a69527b32ac8e208ade58b9d0af0e831f41b
 2020-05-06 17:18:57 +00:00
dan
58021b237a Unless upgrading an existing read transaction, have ENABLE_SETLK_TIMEOUT builds attempt to use a blocking lock when opening a write transaction on a wal mode database. 
FossilOrigin-Name: d6f819a9e6b35f3fd558bd93255a6a24ad690a0fa15a82b009ca9c641db983c6
 2020-05-05 20:30:07 +00:00
drh
3b9f154bb7 Do not use O_NOFOLLOW when opening a directory just to call fsync() on 
that directory.

FossilOrigin-Name: 2fc80ef16ce5878311ab88a0c64631813572ffbb71f75363b4619c9667e0926b
 2020-04-20 17:35:32 +00:00
dan
97ccc1bd11 Modifications to the way blocking locks are used in SQLITE_ENABLE_SETLK_TIMEOUT builds so that multiple processes or threads may not deadlock when operating on a single database. 
FossilOrigin-Name: c516027d5fd876b7d0bf566435667d554db29ded30ad6fc1165caa4a93d015a0
 2020-03-27 17:23:17 +00:00
drh
0ba3621592 Omit O_NOFOLLOW from the open() call when opening /dev/null, since /dev/null 
is a symlink on Solaris, we are told.

FossilOrigin-Name: 0c683c43a62fe25c6cb765e4a31556ec91a7c21af79349b3d7eeb13f73dd1cdc
 2020-02-13 13:45:04 +00:00
drh
09bee5743d Follow-up to check-in [c8c6dd0e6582ec91] - change the xAccess() method to 
return true if the file exists and it is anything other than a regular file,
or if it is a regular file with a non-zero file size.

FossilOrigin-Name: 8a39803ef8db4d8cb0d231e66299525fad4e61266ca29b3704aebb88df1c745b
 2019-12-27 13:30:46 +00:00
drh
96e8eebf96 In the xAccess() method of the unix VFS, return true if the named object 
is a directory, regardless of what stat() reports as the st_size for the
object.  Different filesystems report st_size differently for directories.
Problem reported on the mailing list by Stefan Brüns.

FossilOrigin-Name: c8c6dd0e6582ec9103d007b294c42bb1820be1fa7dab85d873b04e0b90571626
 2019-12-26 00:56:50 +00:00
drh
c398c65bee Revise the SQLITE_OPEN_NOFOLLOW so that it actually uses O_NOFOLLOW in the 
open() system call.  This backs out the SQLITE_ACCESS_SYMLINK value but adds
the new SQLITE_OK_SYMLINK return code from the xFullPathname method of 
sqlite3_vfs when that routine resolves symbolic links. O_NOFOLLOW is always
included in open() system calls for journal files.

FossilOrigin-Name: 6a64fb6a2da6c98f1e87b55ad5689967e1db4eae2e08345471d95e28cd567e0f
 2019-11-22 00:42:01 +00:00
drh
0933aad72c Add support for SQLITE_OPEN_NOFOLLOW. 
FossilOrigin-Name: cb79c828496a703f1410f61458ebc1e15a92a63412b36f51945b2b5a32ec6e88
 2019-11-18 17:46:38 +00:00
drh
e4079e1fc5 Allow compile-time options -DHAVE_GETHOSTUUID=0 and -DHAVE_GETHOSTUUID=1. 
FossilOrigin-Name: 3bcb9cc104e0265a600b03415ad955187fc6445ea8e46dc656412cba5bc1d621
 2019-09-27 16:33:27 +00:00
drh
edf8a7bf57 In the previous check-in, the variable should be openMode, not openFlags. 
FossilOrigin-Name: 77b0db22d6c7a031f332bfcf1c8fcd94e464de9f2396f0327ee761a30ebc8b60
 2019-09-25 11:49:36 +00:00
drh
1116b1785c In the unix VFS layer, do not attempt to chown() the journal to be the same 
as the database if running in 8+3 filename mode.  Also, update the comments
on the chown() attempt to be more precise.

FossilOrigin-Name: ab853724a7e01ca32167d294c3c80d6632e805bdf39b6d56db82226a00ad72dc
 2019-09-25 10:36:31 +00:00
drh
55220a6c70 Improved reuse of file descriptors for which close() is delayed to prevent 
clearly of posix advisory locks.

FossilOrigin-Name: 509c1ba26a4c12c63ecf04ddfa2f175eaf4dd9b96ab7be15faebd36deb0a0a31
 2019-08-06 20:55:06 +00:00