diff options
| -rw-r--r-- | lib/spack/llnl/util/lock.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/spack/llnl/util/lock.py b/lib/spack/llnl/util/lock.py index aa8272d5fe..b5e3a3a8f8 100644 --- a/lib/spack/llnl/util/lock.py +++ b/lib/spack/llnl/util/lock.py @@ -70,7 +70,8 @@ class Lock(object): while (time.time() - start_time) < timeout: try: if self._fd is None: - self._fd = os.open(self._file_path, os.O_RDWR) + mode = os.O_RDWR if op == fcntl.LOCK_EX else os.O_RDONLY + self._fd = os.open(self._file_path, mode) fcntl.lockf(self._fd, op | fcntl.LOCK_NB) if op == fcntl.LOCK_EX: |