database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-12 13:01:09 +03:00
Code Activity

If the sorter uses mmap'd temp files, ensure all pages of the temp file have been allocated before it is accessed. Otherwise, a disk-full condition might result in a SIGBUS exception.

Browse Source 
FossilOrigin-Name: 776648412c30dce206f1024ff849c2cb025bb006
This commit is contained in:
dan
2014-12-30 14:40:53 +00:00
parent 51dc84eb70
commit d348c66e29
4 changed files with 19 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/os_unix.c
View File

@@ -3718,16 +3718,16 @@ static int fcntlSizeHint(unixFile *pFile, i64 nByte){
int nBlk = buf.st_blksize; /* File-system block size */
i64 iWrite; /* Next offset to write to */
if( robust_ftruncate(pFile->h, nSize) ){
pFile->lastErrno = errno;
return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
}
iWrite = ((buf.st_size + 2*nBlk - 1)/nBlk)*nBlk-1;
while( iWrite<nSize ){
int nWrite = seekAndWrite(pFile, iWrite, "", 1);
if( nWrite!=1 ) return SQLITE_IOERR_WRITE;
iWrite += nBlk;
}
if( robust_ftruncate(pFile->h, nSize) ){
pFile->lastErrno = errno;
return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
}
#endif
}
}