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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2017-12-27 05:14:10 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2017-12-27 06:32:48 +0100 |
| commit | 0e124f35c5ecad6a0bff6425414aa1b77450c777 (patch) | |
| tree | 1bf888ca7ad43d1509af5ff04746a1904edcb6f5 | |
| parent | c799d40f9ebf6432df4b0d1c0857c59236c6ae7a (diff) | |
| download | man-pages-0e124f35c5ecad6a0bff6425414aa1b77450c777.tar.gz | |
copy_file_range.2: Add comment to code example explaining use of syscall(2)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/copy_file_range.2 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/man2/copy_file_range.2 b/man2/copy_file_range.2 index 4a91c4b7ea..6e50ea6ecf 100644 --- a/man2/copy_file_range.2 +++ b/man2/copy_file_range.2 @@ -160,6 +160,9 @@ or server-side-copy (in the case of NFS). #include <sys/syscall.h> #include <unistd.h> +/* On versions of glibc before 2.27, we must invoke copy_file_range() + using syscall(2) */ + static loff_t copy_file_range(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags) |