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Add code for the atomic-write optimisation. Disabled by default. (CVS 4268)

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FossilOrigin-Name: 581fadfe31757e3fb97b12f93c1e3c085e4b6009
This commit is contained in:
danielk1977
2007-08-22 11:22:03 +00:00
parent 1f12f9aa30
commit c7b6017c8a
7 changed files with 356 additions and 30 deletions
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8
src/os.c
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@@ -24,8 +24,12 @@
** C++ instead of plain old C.
*/
int sqlite3OsClose(sqlite3_file *pId){
if( !pId->pMethods ) return SQLITE_OK;
return pId->pMethods->xClose(pId);
int rc = SQLITE_OK;
if( pId->pMethods ){
rc = pId->pMethods->xClose(pId);
pId->pMethods = 0;
}
return rc;
}
int sqlite3OsRead(sqlite3_file *id, void *pBuf, int amt, i64 offset){
return id->pMethods->xRead(id, pBuf, amt, offset);