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In windows, round down the size of the memory mapped region to the next

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smaller multiple of the page size.

FossilOrigin-Name: 0e44ed1badde6d766f18d1373d968e5b286b15bd
This commit is contained in:
drh 2013-04-01 18:15:50 +00:00
parent 57d6b25ec9
commit db56bcbe42
3 changed files with 9 additions and 8 deletions
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manifest
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@ -1,5 +1,5 @@
C Merge\saccidental\sfork. C In\swindows,\sround\sdown\sthe\ssize\sof\sthe\smemory\smapped\sregion\sto\sthe\snext\nsmaller\smultiple\sof\sthe\spage\ssize.
D 2013-04-01T17:58:10.824 D 2013-04-01T18:15:50.853
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in df3e48659d80e1b7765785d8d66c86b320f72cc7 F Makefile.in df3e48659d80e1b7765785d8d66c86b320f72cc7
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -161,7 +161,7 @@ F src/os.c 809d0707cec693e1b9b376ab229271ad74c3d35d
F src/os.h ae08bcc5f6ec6b339f4a2adf3931bb88cc14c3e4 F src/os.h ae08bcc5f6ec6b339f4a2adf3931bb88cc14c3e4
F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
F src/os_unix.c d136eca0cff2f8a5ac2f45867d5e5153d60e377c F src/os_unix.c d136eca0cff2f8a5ac2f45867d5e5153d60e377c
F src/os_win.c 390653f5c9b216bd445366f3c2b4863e52d51c24 F src/os_win.c 4cb9b2621f4869e17c8caa627903dc114b1dfb37
F src/pager.c 2b9980e87296812a6ce51121a3335550ae25e3ec F src/pager.c 2b9980e87296812a6ce51121a3335550ae25e3ec
F src/pager.h 5cb78b8e1adfd5451e600be7719f5a99d87ac3b1 F src/pager.h 5cb78b8e1adfd5451e600be7719f5a99d87ac3b1
F src/parse.y 5d5e12772845805fdfeb889163516b84fbb9ae95 F src/parse.y 5d5e12772845805fdfeb889163516b84fbb9ae95
@ -1040,7 +1040,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
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R 5abed6f6d2f091dbf577966219204ad2 R bde1c152af7414f4a8d87d63f33cdc11
U dan U drh
Z 994fbbedca554dbff615409d58ee1a84 Z 9887751c05c44b393c15dab1850774d3

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5f4437c0e35c8aa740515aac3e81e0146716d2bb 0e44ed1badde6d766f18d1373d968e5b286b15bd

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src/os_win.c
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@ -3568,6 +3568,7 @@ static int winMapfile(winFile *pFd, sqlite3_int64 nByte){
if( nMap>pFd->mmapLimit ){ if( nMap>pFd->mmapLimit ){
nMap = pFd->mmapLimit; nMap = pFd->mmapLimit;
} }
nMap &= ~(sqlite3_int64)(winSysInfo.dwPageSize - 1);
if( nMap==0 && pFd->mmapSize>0 ){ if( nMap==0 && pFd->mmapSize>0 ){
winUnmapfile(pFd); winUnmapfile(pFd);