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| author | Sebastian Andrzej Siewior <sebastian@breakpoint.cc> | 2014-01-18 21:24:58 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2014-01-19 15:08:49 +0100 |
| commit | d3581b58890389794de5d5222c91a0129873e95c (patch) | |
| tree | 95c4010b61869934cca86c5ac23056463754f2ee /tests/valgrind | |
| parent | README: document pkg-config for luajit (diff) | |
| download | cgit-pink-d3581b58890389794de5d5222c91a0129873e95c.tar.gz cgit-pink-d3581b58890389794de5d5222c91a0129873e95c.zip | |
cache: use sendfile() instead of a pair of read() + write()
sendfile() does the same job and avoids to copy the content into userland and back. One has to define NO_SENDFILE in case the OS (kernel / libc) does not supported. It is disabled by default on non-linux environemnts. According to the glibc, sendfile64() was added in Linux 2.4 (so it has been there for a while) but after browsing over the mapage of FreeBSD's I noticed that the prototype is little different. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
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