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Improvements to the way that OOM errors are processed.

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FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
This commit is contained in:
drh
2016-02-05 01:55:27 +00:00
parent e514f651d0
commit 4a642b6060
30 changed files with 166 additions and 125 deletions
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8
src/main.c
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@@ -698,12 +698,12 @@ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){
p = (LookasideSlot*)&((u8*)p)[sz];
}
db->lookaside.pEnd = p;
db->lookaside.bEnabled = 1;
db->lookaside.bDisable = 0;
db->lookaside.bMalloced = pBuf==0 ?1:0;
}else{
db->lookaside.pStart = db;
db->lookaside.pEnd = db;
db->lookaside.bEnabled = 0;
db->lookaside.bDisable = 1;
db->lookaside.bMalloced = 0;
}
#endif /* SQLITE_OMIT_LOOKASIDE */
@@ -2208,7 +2208,7 @@ const void *sqlite3_errmsg16(sqlite3 *db){
** be cleared before returning. Do this directly, instead of via
** sqlite3ApiExit(), to avoid setting the database handle error message.
*/
db->mallocFailed = 0;
sqlite3OomClear(db);
}
sqlite3_mutex_leave(db->mutex);
return z;
@@ -2846,7 +2846,7 @@ static int openDatabase(
db->openFlags = flags;
rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg);
if( rc!=SQLITE_OK ){
if( rc==SQLITE_NOMEM ) db->mallocFailed = 1;
if( rc==SQLITE_NOMEM ) sqlite3OomFault(db);
sqlite3ErrorWithMsg(db, rc, zErrMsg ? "%s" : 0, zErrMsg);
sqlite3_free(zErrMsg);
goto opendb_out;