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Code Activity
27,641 Commits 1,623 Branches 186 Tags
0d7f0e49a405484b8fa7fcad76f55b648ad8574b
Commit Graph

758 Commits

Author SHA1 Message Date
dan
0d7f0e49a4 Fix SQLITE_ENABLE_SETLK_TIMEOUT assert() statements in os_unix.c to avoid reading past the end of the unixShmNode.aMutex[] array. 
FossilOrigin-Name: 029a05cd2928d43d81e4549cce5388c432e2c9e75e3fa0b2fe6e91021b2fb9ac
 2023-12-20 19:33:41 +00:00
dan
e52854a9e6 In SQLITE_ENABLE_SETLK_TIMEOUT builds, use blocking locks in place of sleep() when opening a read-transaction. 
FossilOrigin-Name: a51ef39998e25e86bd0600e71d15011b12e05f4319608018293bdaecb09e8c97
 2023-11-27 19:22:50 +00:00
dan
046a7f9493 When ENABLE_SETLK is defined, avoid ever blocking on the lock mutex in os_unix.c when requesting an exclusive lock. 
FossilOrigin-Name: eb36d475e91bfdbf4a18b6fd9751fbcecf15d960dcd1c00d2d18b5bf1d7503fe
 2023-11-18 17:20:04 +00:00
dan
735e7ee62a When SQLITE_ENABLE_SETLK_TIMEOUT is defined, use a separate mutex in os_unix.c for each shm locking slot. 
FossilOrigin-Name: 4098df9652d90f2d22d5591d915d672c5413471f7916223510ba6fd932bfdd36
 2023-11-17 17:10:37 +00:00
dan
91c8e65dd4 Changes so that if SQLITE_ENABLE_SETLK_TIMEOUT is defined as 2 instead of 1, all blocking locks are taken for a single millisecond and the default busy-handler invoked as normal. 
FossilOrigin-Name: 79e24ec3dd40373bbb93792829b18d9ef40daf19d4606174e36c8e19e61a7529
 2023-11-15 19:19:04 +00:00
dan
275234e320 Fix an assert() that could fail within calls to sqlite3_snapshot_open() in SQLITE_ENABLE_SETLK_TIMEOUT builds. 
FossilOrigin-Name: 84634bc268e5c80146f3f3b2e13118f239c9a7e4e4e9dfcaccef2b17252ce53b
 2023-11-07 20:11:49 +00:00
drh
208f5c65d4 Fix harmless compiler warnings. 
FossilOrigin-Name: cc8efe0494b8fe0df18aa67b1675779bf704d1ac53647fe1f7f55d8048041680
 2023-10-25 19:06:23 +00:00
drh
9b1334b7d3 Unix builds now assume the presence of nanosleep() in the standard library. 
The -DHAVE_NANOSLEEP=0 compile-time option can be used to build on systems
(if any still exist) where this is not the case.

FossilOrigin-Name: 779d5dc8797ea246d0397f7e94b1be716b0baa735e8d9f5a6fc4cffd887a7420
 2023-08-03 12:41:30 +00:00
larrybr
bc91738e66 Add a C-source spell-checking facility. make misspell (on Nix) 
FossilOrigin-Name: 26c1bb4bd9e9f56613c3aa87407a7f562fd4ebde5bfd6dece02078001d9a45f8
 2023-06-07 08:40:31 +00:00
drh
be0023faba Automatically set HAVE_PREAD and HAVE_PWRITE on linux, as has been done in 
MacOS for a long time now.

FossilOrigin-Name: 2f7a36d2c374100019bd9d38aea51ea10cfcf9b1f0330ba084a75f0773df8ebf
 2023-04-12 19:40:00 +00:00
stephan
f8c73aed67 Merge trunk into wasi-patches branch. 
FossilOrigin-Name: 656d36f50f630da68262469087bad1ac71b10325e233a7963103c8cbc232f61a
 2023-02-06 22:25:18 +00:00
dan
288409d731 Fix a comment related to PENDING locks in os_unix.c. No code changes. 
FossilOrigin-Name: 6b3546c871fe78a4e550e0144b48ac98325787cc8b192a9e7f5f2a2ffa57f76d
 2023-02-01 14:17:25 +00:00
dan
ca3aabdf53 Fix a race condition during hot-journal rollback that could theoretically cause spurious corruption errors. 
FossilOrigin-Name: 20ea53ddf590a9dd19501fabd2bfdb9c10b5eb265cd2995bdb335769c936c763
 2023-01-31 20:21:06 +00:00
stephan
87ce1ff7f7 Merge trunk into wasi-patches branch. 
FossilOrigin-Name: 2ce89f5efcdb8b4c58eb2d30833a76d79ae0134c31d5ab8564be9e1cf5a1f4f0
 2023-01-27 05:37:24 +00:00
stephan
a7c498599f Merge trunk into wasi-patches branch and add missing yes/no result to the configure script's output for the --with-wasi-sdk=PATH test. 
FossilOrigin-Name: adc0ede0a43241b85563408d0de8e640a75ec4f7bdfe5e48acc5cdd6b182b88c
 2023-01-11 22:45:20 +00:00
dan
2e77734b98 Fix handling of unix paths that contain ".." components such that "/" is considered its own parent directory. 
FossilOrigin-Name: 3c6cadb396de3981bd950eddd532daa8134bd4bf22c578620e323835c96a8500
 2023-01-10 14:31:56 +00:00
stephan
9be7a363cc Merge trunk into wasi-patches branch. 
FossilOrigin-Name: 13dade955d46020ab408734123261e9fadb8bccbaf67003b111112af4789d8c0
 2022-12-10 05:00:16 +00:00
drh
b1026aeda9 In the unix backend, when implementing the defenses against small file 
descriptors, delete a file just created if it was opened with
O_EXCL|O_CREAT so that it can be created again the next time through the
loop.  Fix for the problem described by
[forum:/forumpost/699af709ab3a8ccf|forum post 699af709ab3a8ccf].

FossilOrigin-Name: c0cfe0582add87981826d124a0763482f51fae4b105b5a970dd56919f1d04d60
 2022-12-06 13:12:33 +00:00
drh
a42281a312 Always use nanosleep() (instead of usleep() or sleep) if the 
_POSIX_C_SOURCE macro says it should be available.

FossilOrigin-Name: 6620c57b9d3eae7226a412318b43393196df069b5b90aae0cf1743fdd2d102dd
 2022-11-30 13:44:31 +00:00
stephan
9a92d53cf5 Account for lack of mmap(), getpid(), and shared memory APIs in wasi. 
FossilOrigin-Name: 80ff026fb4b2203eea53d4930c1e9bb138db951fb408739c7d5c776fb397b665
 2022-11-19 07:39:31 +00:00
stephan
8cfd2c3eeb Preliminary patches to get sqlite3.c building as-is in WASI environments. 
FossilOrigin-Name: 19c04d71bf0f2f44d5a03288cbea3f63cf4eae2fa018ac6be4ae49a321e2b2f3
 2022-11-19 07:17:12 +00:00
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