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Overview
| Comment: | In the unix VFS, fix the heap shm allocator (used for unix-excl) so that it works even on systems where the page size is larger than 32KB. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
7fbb083c5cf0948af3624b7538ffa086 |
| User & Date: | drh 2018-10-11 02:39:11 |
Context
|
2018-10-11
| ||
| 10:37 | In the CLI, fix a file descriptor leak following OOM and a missing va_end() call. check-in: ec36d15a user: drh tags: trunk | |
| 02:39 | In the unix VFS, fix the heap shm allocator (used for unix-excl) so that it works even on systems where the page size is larger than 32KB. check-in: 7fbb083c user: drh tags: trunk | |
|
2018-10-10
| ||
| 18:56 | In the CLI, allow the SQLITE_HISTORY environment variable, if it exists, to specify an alternative file in which to store the shell edit history. check-in: 696e82f7 user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 |
MAP_SHARED, pShmNode->hShm, szRegion*(i64)pShmNode->nRegion
);
if( pMem==MAP_FAILED ){
rc = unixLogError(SQLITE_IOERR_SHMMAP, "mmap", pShmNode->zFilename);
goto shmpage_out;
}
}else{
pMem = sqlite3_malloc64(szRegion);
if( pMem==0 ){
rc = SQLITE_NOMEM_BKPT;
goto shmpage_out;
}
memset(pMem, 0, szRegion);
}
for(i=0; i<nShmPerMap; i++){
pShmNode->apRegion[pShmNode->nRegion+i] = &((char*)pMem)[szRegion*i];
}
pShmNode->nRegion += nShmPerMap;
}
|
| | |
4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 |
MAP_SHARED, pShmNode->hShm, szRegion*(i64)pShmNode->nRegion
);
if( pMem==MAP_FAILED ){
rc = unixLogError(SQLITE_IOERR_SHMMAP, "mmap", pShmNode->zFilename);
goto shmpage_out;
}
}else{
pMem = sqlite3_malloc64(nMap);
if( pMem==0 ){
rc = SQLITE_NOMEM_BKPT;
goto shmpage_out;
}
memset(pMem, 0, nMap);
}
for(i=0; i<nShmPerMap; i++){
pShmNode->apRegion[pShmNode->nRegion+i] = &((char*)pMem)[szRegion*i];
}
pShmNode->nRegion += nShmPerMap;
}
|
Changes to test/wal64k.test.
42 43 44 45 46 47 48 49 50 51 |
}
execsql COMMIT
file size test.db-shm
} {131072}
integrity_check 1.3
db close
test_syscall pagesize -1
finish_test
|
> > > > > > > > > > > > |
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 |
}
execsql COMMIT
file size test.db-shm
} {131072}
integrity_check 1.3
db close
forcedelete test.db
sqlite3 db test.db -vfs unix-excl
do_execsql_test 2.1 {
PRAGMA page_size=512;
PRAGMA journal_mode=WAL;
CREATE TABLE t1(a,b);
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<8200)
INSERT INTO t1(a,b) SELECT x, zeroblob(300) FROM c;
PRAGMA integrity_check;
} {wal ok}
db close
test_syscall pagesize -1
finish_test
|