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dispatch: do not close stdout and stderr, just flush() instead...
dispatch: do not close stdout and stderr, just flush() instead Since 3a4c0905f357 "util: always force line buffered stdout when stdout is a tty", we have two file objects attached to the same STDOUT_FILENO. If one is closed, the underlying file descriptor is also closed, and writing to the other file object would crash the Python interpreter in a hard way, at least on Windows. So, it seems safer to not close the standard streams. This also matches the behavior of the default sys.stdout/stderr.close(), which never close the FILE* streams in C layer. https://hg.python.org/cpython/file/v2.7.13/Python/sysmodule.c#l1401

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Yuya Nishihara
chg: import frontend sources...
r28060 cHg
===
A fast client for Mercurial command server running on Unix.
Install:
$ make
$ make install
Usage:
$ chg help # show help of Mercurial
$ alias hg=chg # replace hg command
$ chg --kill-chg-daemon # terminate background server
Environment variables:
Although cHg tries to update environment variables, some of them cannot be
changed after spawning the server. The following variables are specially
handled:
Jun Wu
chg: remove manual reload logic...
r28454 * configuration files are reloaded automatically by default.
Yuya Nishihara
chg: import frontend sources...
r28060 * CHGHG or HG specifies the path to the hg executable spawned as the
background command server.
The following variables are available for testing:
* CHGDEBUG enables debug messages.
* CHGSOCKNAME specifies the socket path of the background cmdserver.
Jun Wu
chg: make timeout adjustable...
r29345 * CHGTIMEOUT specifies how many seconds chg will wait before giving up
Jun Wu
chg: change default connect timeout to 60 seconds...
r29357 connecting to a cmdserver. If it is 0, chg will wait forever. Default: 60