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| -rw-r--r-- | man2/sendfile.2 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/man2/sendfile.2 b/man2/sendfile.2 index 24de71072..a385949c1 100644 --- a/man2/sendfile.2 +++ b/man2/sendfile.2 @@ -91,12 +91,21 @@ argument must correspond to a file which supports .BR mmap (2)-like operations (i.e., it cannot be a socket). +Except since Linux 5.12 +.\" commit b964bf53e540262f2d12672b3cca10842c0172e7 +and if +.I out_fd +is a pipe, in which case +.BR sendfile () +desugars to a +.BR splice (2) +and its restrictions apply. .P Before Linux 2.6.33, .I out_fd must refer to a socket. Since Linux 2.6.33 it can be any file. -If it is a regular file, then +If it's seekable, then .BR sendfile () changes the file offset appropriately. .SH RETURN VALUE |