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Windows: improve performance via buffered I/O...
Windows: improve performance via buffered I/O The posixfile_nt code hits the win32 file API directly, which essentially amounts to performing a system call for every read and write. This is slow. We add a C extension that lets us use a Python file object instead, but preserve our desired POSIX-like semantics (the ability to rename or delete a file that is being accessed). If the C extension is not available (e.g. in a VPS environment without a compiler), we fall back to the posixfile_nt code.
Bryan O'Sullivan -
r8330:7de68012 default
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Basic install:

$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help

See http://www.selenic.com/mercurial/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.