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| author | Giampaolo Rodolà <g.rodola@gmail.com> | 2011-02-25 14:39:16 (GMT) |
|---|---|---|
| committer | Giampaolo Rodolà <g.rodola@gmail.com> | 2011-02-25 14:39:16 (GMT) |
| commit | c9c2c8b034ee9fb61ee8487545e9711ac2bbcf61 (patch) | |
| tree | 78e0a29f8bb5feca92cd5fe292295f0d4083de7e /Doc/whatsnew/3.3.rst | |
| parent | 59db1f3df635463d0cb3efa5ef3283e72ef4ed60 (diff) | |
| download | cpython-c9c2c8b034ee9fb61ee8487545e9711ac2bbcf61.zip cpython-c9c2c8b034ee9fb61ee8487545e9711ac2bbcf61.tar.gz cpython-c9c2c8b034ee9fb61ee8487545e9711ac2bbcf61.tar.bz2 | |
Issue 10882: add os.sendfile(). (patch provided by Ross Lagerwall)
Diffstat (limited to 'Doc/whatsnew/3.3.rst')
| -rw-r--r-- | Doc/whatsnew/3.3.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index 3e6da79..78d66fe 100644 --- a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ -68,6 +68,19 @@ New, Improved, and Deprecated Modules * Stub +os +-- + +The :mod:`os` module has a new :func:`~os.sendfile` function which provides an +efficent "zero-copy" way for copying data from one file (or socket) descriptor +to another. +The phrase "zero-copy" refers to the fact that all of the copying of data +between the two descriptors is done entirely by the kernel, with no copying of +data into userspace buffers. +:func:`~os.sendfile` can be used to efficiently copy data from a file on disk to +a network socket, e.g. for downloading a file. + +(Patch submitted by Ross Lagerwall and Giampaolo Rodolà in :issue:`10882`.) Optimizations ============= |