diff options
Diffstat (limited to 'src/corelib/io/qlockfile_unix.cpp')
-rw-r--r-- | src/corelib/io/qlockfile_unix.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/corelib/io/qlockfile_unix.cpp b/src/corelib/io/qlockfile_unix.cpp index 667b108ba0..623968b869 100644 --- a/src/corelib/io/qlockfile_unix.cpp +++ b/src/corelib/io/qlockfile_unix.cpp @@ -202,6 +202,13 @@ 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; } @@ -283,6 +290,7 @@ QString QLockFilePrivate::processNameByPid(qint64 pid) free(proc); return name; #else + Q_UNUSED(pid); return QString(); #endif } |