On 06/27/2013 01:38 PM, Junio C Hamano wrote:
Torsten Bögershausen <tbo...@web.de> writes:

Work around issues that git hangs when doing fetch or pull under
various protocols under CYGWIN.

Replace pipe() with a socket connection using a TCP/IP.
Introduce a new function socket_pipe() in compat/socket_pipe.c
Sounds like sweeping the real problem, whatever it is, under rug.
Is it that we are assuming a pipe buffer that is sufficiently large
and expecting a write that we deem to be small enough not to block,
causing a deadlock on a platform with very small pipe buffer, or

There were issues in early v1.7 Cygwin release for overlapping I/O such that the pipe was sometimes terminated early resulting in data loss. If the pipe implementation in Cygwin is still a problem a good test case sent to the Cygwin developers would be the right approach rather than a one-off patch in git to try to work around a current platform bug.

Note - I do not see random hangs with the stat/lstat hack removed, rather the sole test suite hang I see is repeatable in t0008.sh. So, if the patch remains, we may be able to run this remaining hang to ground.

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