diff options
Diffstat (limited to 'src/os_unix.c')
| -rw-r--r-- | src/os_unix.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/os_unix.c b/src/os_unix.c index 3797a82cb..bc5c0b111 100644 --- a/src/os_unix.c +++ b/src/os_unix.c @@ -691,8 +691,17 @@ int sqlite3OsSeek(OsFile *id, i64 offset){ ** The fsync() system call does not work as advertised on many ** unix systems. The following procedure is an attempt to make ** it work better. +** +** The SQLITE_NO_SYNC macro disables all fsync()s. This is useful +** for testing when we want to run through the test suite quickly. +** You are strongly advised *not* to deploy with SQLITE_NO_SYNC +** enabled, however, since with SQLITE_NO_SYNC enabled, an OS crash +** or power failure will likely corrupt the database file. */ static int full_fsync(int fd){ +#ifdef SQLITE_NO_SYNC + return SQLITE_OK; +#else int rc; #ifdef F_FULLFSYNC rc = fcntl(fd, F_FULLFSYNC, 0); @@ -701,6 +710,7 @@ static int full_fsync(int fd){ rc = fsync(fd); #endif return rc; +#endif } /* |