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Do not simulate OOM faults on the SQLITE_FCNTL_CKPT_START and

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SQLITE_FCNTL_CKPT_DONE file-controls, as those are write-only and
the return value is always ignored.

FossilOrigin-Name: 62a2d394835276fabc0f1df2302605a700b2244775bf2e35e86529df8e40a0da
This commit is contained in:
drh 2020-12-03 19:25:06 +00:00
parent 0b1e70c4ce
commit 1de03abb03
3 changed files with 15 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Enhance\sthe\sgenerate_series()\stable-valued\sfunction\sto\ssupport\snegative\nstep\svalues.
D 2020-12-03T14:21:26.970
C Do\snot\ssimulate\sOOM\sfaults\son\sthe\sSQLITE_FCNTL_CKPT_START\sand\nSQLITE_FCNTL_CKPT_DONE\sfile-controls,\sas\sthose\sare\swrite-only\sand\nthe\sreturn\svalue\sis\salways\signored.
D 2020-12-03T19:25:06.815
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -520,7 +520,7 @@ F src/mutex_noop.c 9d4309c075ba9cc7249e19412d3d62f7f94839c4
F src/mutex_unix.c dd2b3f1cc1863079bc1349ac0fec395a500090c4fe4e11ab775310a49f2f956d
F src/mutex_w32.c caa50e1c0258ac4443f52e00fe8aaea73b6d0728bd8856bedfff822cae418541
F src/notify.c 89a97dc854c3aa62ad5f384ef50c5a4a11d70fcc69f86de3e991573421130ed6
F src/os.c 80e4cf3e5da06be03ca641661e331ce60eeeeabf0d7354dbb1c0e166d0eedbbe
F src/os.c 2d6e646370b1aa78942c68d7edf124e518963adf4a90bce87f365a5a5495529a
F src/os.h 48388821692e87da174ea198bf96b1b2d9d83be5dfc908f673ee21fafbe0d432
F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
@ -1887,7 +1887,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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R f5fab051df652e60eae81cceafe92f35
U drh
Z 6d9cf1c7027aa6d139c9ca5d0fe86df8
Z b8af11f99fdf7fdf74f4bc2f82c020b8

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@ -1 +1 @@
9b60fc48706bb77b2d4fe27a7b5834a6dc229b4051a9285032da578e4f2849e6
62a2d394835276fabc0f1df2302605a700b2244775bf2e35e86529df8e40a0da

9
src/os.c
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@ -129,6 +129,8 @@ int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){
#ifdef SQLITE_TEST
if( op!=SQLITE_FCNTL_COMMIT_PHASETWO
&& op!=SQLITE_FCNTL_LOCK_TIMEOUT
&& op!=SQLITE_FCNTL_CKPT_DONE
&& op!=SQLITE_FCNTL_CKPT_START
){
/* Faults are not injected into COMMIT_PHASETWO because, assuming SQLite
** is using a regular VFS, it is called after the corresponding
@ -139,7 +141,12 @@ int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){
** The core must call OsFileControl() though, not OsFileControlHint(),
** as if a custom VFS (e.g. zipvfs) returns an error here, it probably
** means the commit really has failed and an error should be returned
** to the user. */
** to the user.
**
** The CKPT_DONE and CKPT_START file-controls are write-only signals
** to the cksumvfs. Their return code is meaningless and is ignored
** by the SQLite core, so there is no point in simulating OOMs for them.
*/
DO_OS_MALLOC_TEST(id);
}
#endif