diff options
Diffstat (limited to 'src/corelib/io/qlockfile_unix.cpp')
| -rw-r--r-- | src/corelib/io/qlockfile_unix.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/corelib/io/qlockfile_unix.cpp b/src/corelib/io/qlockfile_unix.cpp index db81d65565..1676b71133 100644 --- a/src/corelib/io/qlockfile_unix.cpp +++ b/src/corelib/io/qlockfile_unix.cpp @@ -86,8 +86,10 @@ int QLockFilePrivate::checkFcntlWorksAfterFlock() if (!file.open()) return 0; const int fd = file.d_func()->engine()->handle(); +#if defined(LOCK_EX) && defined(LOCK_NB) if (flock(fd, LOCK_EX | LOCK_NB) == -1) // other threads, and other processes on a local fs return 0; +#endif struct flock flockData; flockData.l_type = F_WRLCK; flockData.l_whence = SEEK_SET; @@ -121,8 +123,10 @@ static bool fcntlWorksAfterFlock() static bool setNativeLocks(int fd) { +#if defined(LOCK_EX) && defined(LOCK_NB) if (flock(fd, LOCK_EX | LOCK_NB) == -1) // other threads, and other processes on a local fs return false; +#endif struct flock flockData; flockData.l_type = F_WRLCK; flockData.l_whence = SEEK_SET; |