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Corrections to Win32 lock detection for SHM files.

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FossilOrigin-Name: 3a91be975daee65c3e1199855613066015d5df8ad44ababdef31d1c698b5e746
This commit is contained in:
mistachkin
2017-11-09 18:21:51 +00:00
parent 8a6fa5d41c
commit a515065649
3 changed files with 13 additions and 10 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Corrections\sto\sthe\sWin32\sporting\schanges\son\sthis\sbranch.
D 2017-11-09T17:29:18.701
C Corrections\sto\sWin32\slock\sdetection\sfor\sSHM\sfiles.
D 2017-11-09T18:21:51.933
F Makefile.in 5bae3f2f3d42f2ad52b141562d74872c97ac0fca6c54953c91bb150a0e6427a8
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 3a5cb477ec3ce5274663b693164e349db63348667cd45bad78cc13d580b691e2
@@ -448,7 +448,7 @@ F src/os.h 48388821692e87da174ea198bf96b1b2d9d83be5dfc908f673ee21fafbe0d432
F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
F src/os_unix.c e87cef0bb894b94d96ee3af210be669549d111c580817d14818101b992640767
F src/os_win.c ce0b1da0d41a1cc78e33431c72fb4b53f3247b3884841ca0a988761565488824
F src/os_win.c eac2f14343eaf9ff8c02d7025ce459f64dc1334c1f6739be5b6595aabed32ca2
F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
F src/pager.c 07cf850241667874fcce9d7d924c814305e499b26c804322e2261247b5921903
F src/pager.h 581698f2177e8bd4008fe4760898ce20b6133d1df22139b9101b5155f900df7a
@@ -1669,7 +1669,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 0a7d416c4c43632725dc89cda8667cd9726b5152ee4692e4d0c9e2031e60cfb4
R 83920a29a292bf4d0aadf8e0cc58f982
P 0b26a5a26d700e20eea5ebbd620af0af6f2d61c652cfca5b8563267588cb2be6
R e599061360fdeb01478e7f6faea2d0b3
U mistachkin
Z f20b1547624a9a7c878450951251f899
Z 310f1e71824409858101a715db0b42e2

2
manifest.uuid
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@@ -1 +1 @@
0b26a5a26d700e20eea5ebbd620af0af6f2d61c652cfca5b8563267588cb2be6
3a91be975daee65c3e1199855613066015d5df8ad44ababdef31d1c698b5e746

9
src/os_win.c
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@@ -2105,7 +2105,8 @@ static int winIoerrRetryDelay = SQLITE_WIN32_IOERR_RETRY_DELAY;
** to file locking.
*/
#if !defined(winIsLockingError)
#define winIsLockingError(a) (((a)==ERROR_LOCK_VIOLATION) || \
#define winIsLockingError(a) (((a)==ERROR_ACCESS_DENIED) || \
((a)==ERROR_LOCK_VIOLATION) || \
((a)==ERROR_IO_PENDING))
#endif
@@ -3867,14 +3868,16 @@ static int winGetShmDmsLockType(
pOverlapped = &overlapped;
#endif
if( !osWriteFile(pFile->h, &notUsed1, 1, &notUsed2, pOverlapped) ){
DWORD lastErrno = osGetLastError();
if( !osReadFile(pFile->h, &notUsed1, 1, &notUsed2, pOverlapped) ){
if( winIsLockingError(osGetLastError()) ){
lastErrno = osGetLastError();
if( winIsLockingError(lastErrno) ){
*pLockType = WINSHM_WRLCK;
}else{
return SQLITE_IOERR_READ;
}
}else{
if( winIsLockingError(osGetLastError()) ){
if( winIsLockingError(lastErrno) ){
*pLockType = WINSHM_RDLCK;
}else{
return SQLITE_IOERR_WRITE;