diff options
Diffstat (limited to 'buildstream/_frontend/cli.py')
| -rw-r--r-- | buildstream/_frontend/cli.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/buildstream/_frontend/cli.py b/buildstream/_frontend/cli.py index 02ca52e85..f500f8996 100644 --- a/buildstream/_frontend/cli.py +++ b/buildstream/_frontend/cli.py @@ -9,6 +9,7 @@ from .. import _yaml from .._exceptions import BstError, LoadError, AppError from .._versions import BST_FORMAT_VERSION from .complete import main_bashcomplete, complete_path, CompleteUnhandled +import fcntl ################################################################## @@ -170,6 +171,13 @@ def override_completions(orig_args, cmd, cmd_param, args, incomplete): def override_main(self, args=None, prog_name=None, complete_var=None, standalone_mode=True, **extra): + # Clear file status flags, if stdout/stderr is open in non-blocking + # mode for some reason then this can cause BlockingIOError errors + # when trying to write to the file. + # + fcntl.fcntl(sys.stdout.fileno(), fcntl.F_SETFL, 0) + fcntl.fcntl(sys.stderr.fileno(), fcntl.F_SETFL, 0) + # Hook for the Bash completion. This only activates if the Bash # completion is actually enabled, otherwise this is quite a fast # noop. |