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Diffstat (limited to 'libraries/pysendfile/README')
| -rw-r--r-- | libraries/pysendfile/README | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libraries/pysendfile/README b/libraries/pysendfile/README new file mode 100644 index 0000000000000..f4087ba0c1b78 --- /dev/null +++ b/libraries/pysendfile/README @@ -0,0 +1,9 @@ +A Python interface to sendfile(2) syscall. + +sendfile(2) is a system call which provides a "zero-copy" way of copying data +from one file descriptor to another (a socket). + +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. This is particularly useful +when sending a file over a socket (e.g. FTP). |