diff options
Diffstat (limited to 'Lib/test/support.py')
| -rw-r--r-- | Lib/test/support.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Lib/test/support.py b/Lib/test/support.py index f2c3434..bc5176a 100644 --- a/Lib/test/support.py +++ b/Lib/test/support.py @@ -573,10 +573,12 @@ def _is_ipv6_enabled(): IPV6_ENABLED = _is_ipv6_enabled() -# A constant likely larger than the underlying OS pipe buffer size. -# Windows limit seems to be around 512B, and many Unix kernels have a 64K pipe -# buffer size or 16*PAGE_SIZE: take a few megs to be sure. This -PIPE_MAX_SIZE = 3 * 1000 * 1000 +# A constant likely larger than the underlying OS pipe buffer size, to +# make writes blocking. +# Windows limit seems to be around 512 B, and many Unix kernels have a +# 64 KiB pipe buffer size or 16 * PAGE_SIZE: take a few megs to be sure. +# (see issue #17835 for a discussion of this number). +PIPE_MAX_SIZE = 4 *1024 * 1024 + 1 # decorator for skipping tests on non-IEEE 754 platforms |