diff options
Diffstat (limited to 'src/corelib/io/qlockfile_unix.cpp')
| -rw-r--r-- | src/corelib/io/qlockfile_unix.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/corelib/io/qlockfile_unix.cpp b/src/corelib/io/qlockfile_unix.cpp index 27f8a97fd4..b298b08939 100644 --- a/src/corelib/io/qlockfile_unix.cpp +++ b/src/corelib/io/qlockfile_unix.cpp @@ -178,6 +178,13 @@ QLockFile::LockError QLockFilePrivate::tryLock_sys() // We hold the lock, continue. fileHandle = fd; + // Sync to disk if possible. Ignore errors (e.g. not supported). +#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 + fdatasync(fileHandle); +#else + fsync(fileHandle); +#endif + return QLockFile::NoError; } |