tree 2ee3f8de3983a03b799fa23c3d2e8c9ac2b504fa
parent 42c3f41862cfff8d4539903e47a42cae97d13d37
author git-lg-database.lge.com <lg-database@lge.com> 1355097631 +0900
committer git-lg-database.lge.com <lg-database@lge.com> 1355097631 +0900

Fix bugs of sqlite that returns SIGBUS on disk full in WAL mode

Attempts to prepare a query on a WAL database when the disk space is
critically low result in the process killed with SIGBUS.
The crash happens in walIndexWriteHdr invoked from walIndexRecover.

Some Providers that using WAL mode like as SettingsProvider and MediaProvider
get failed in case of disk full with SIGBUS.
This patch changes unixShmMap() to call fallocate() instead of ftruncate.
In case of disk full, fallocate() will return SQLITE_FULL.

This patch is originated from www.sqlite.org.
(URL: http://www.sqlite.org/src/info/5eaa61ea18)
To simplify error status, returned error code is changed
from SQLITE_IOERR_SHMSIZE to SQLITE_FULL.

[written by Yongil Jang <yi.jang@lge.com>]

Change-Id: Idf3cbdab1ed4a4f2bc1b2b93ab6d8900edc7ee05