Mercurial > hg-stable
changeset 37879:0b63a6743010 stable 4.6.2
procutil: use unbuffered stdout on Windows
Windows doesn't support line buffering, treating it as fully buffered. This
causes output of slow commands to stutter. We use unbuffered instead.
| author | Sune Foldager <cryo@cyanite.org> |
|---|---|
| date | Mon, 25 Jun 2018 16:36:14 +0200 |
| parents | 1322ae04d3d7 |
| children | 77d1fa0fa2e1 |
| files | mercurial/utils/procutil.py |
| diffstat | 1 files changed, 6 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/mercurial/utils/procutil.py Tue Jun 19 22:45:52 2018 +0900 +++ b/mercurial/utils/procutil.py Mon Jun 25 16:36:14 2018 +0200 @@ -42,9 +42,13 @@ # glibc determines buffering on first write to stdout - if we replace a TTY # destined stdout with a pipe destined stdout (e.g. pager), we want line -# buffering +# buffering (or unbuffered, on Windows) if isatty(stdout): - stdout = os.fdopen(stdout.fileno(), r'wb', 1) + if pycompat.iswindows: + # Windows doesn't support line buffering + stdout = os.fdopen(stdout.fileno(), r'wb', 0) + else: + stdout = os.fdopen(stdout.fileno(), r'wb', 1) if pycompat.iswindows: from .. import windows as platform