On 01/01/2018 05:12 AM, Shawn Landden wrote: > Signed-off-by: Shawn Landden <slandden@xxxxxxxxx> Thanks, Shawn. Applied. Cheers, Michael > --- > man2/copy_file_range.2 | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/man2/copy_file_range.2 b/man2/copy_file_range.2 > index 6e50ea6ec..3a3a6aa9f 100644 > --- a/man2/copy_file_range.2 > +++ b/man2/copy_file_range.2 > @@ -27,7 +27,7 @@ > copy_file_range \- Copy a range of data from one file to another > .SH SYNOPSIS > .nf > -.B #include <sys/syscall.h> > +.B #define _GNU_SOURCE > .B #include <unistd.h> > .PP > .BI "ssize_t copy_file_range(int " fd_in ", loff_t *" off_in , > @@ -124,12 +124,13 @@ are not on the same mounted filesystem. > .SH VERSIONS > The > .BR copy_file_range () > -system call first appeared in Linux 4.5. > -Library support was added in glibc 2.27. > +system call first appeared in Linux 4.5, but glibc 2.27 provides a user-space > +emulation when it is not available. > +.\" https://sourceware.org/git/?p=glibc.git;a=commit;f=posix/unistd.h;h=bad7a0c81f501fbbcc79af9eaa4b8254441c4a1f > .SH CONFORMING TO > The > .BR copy_file_range () > -system call is a nonstandard Linux extension. > +system call is a nonstandard Linux and GNU extension. > .SH NOTES > If > .I file_in > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html