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filesys.c: Use scm_sendfile to copy files

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Use scm_sendfile instead of read-write loop.  This moves the work into
the kernel, improving performance.  This implements Ludovic's suggestion
from https://debbugs.gnu.org/68504

* libguile/filesys.c (scm_copy_file2): Use scm_sendfile.

[rlb@defaultvalue.org: add NEWS]
This commit is contained in:
Tomas Volf 2025-02-28 02:10:18 +01:00 • committed by Rob Browning
parent b3b7477128
commit 4f39181b2f
2 changed files with 18 additions and 10 deletions
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4
NEWS
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@ -45,6 +45,10 @@ for-delimited-from-port and for-line-in-file. Of these, for-line-in-file
is helpful in the common situation where you want a procedure applied to
every line in a file.
* Performance improvements
** `copy-file` now relies on `sendfile` rather than a read/write loop
* Changes to the distribution
* Build system changes