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| author | dg <dg@FreeBSD.org> | 1998-11-06 19:35:58 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1998-11-06 19:35:58 +0000 |
| commit | d76c9ae77d726238f555f7117d67426fe7da5e8e (patch) | |
| tree | 23b0a492051b619c8979ac762c8bc356cc393eac | |
| parent | 3faff5bf0f0709a66e1cbc47fdc9bef963d8c844 (diff) | |
| download | FreeBSD-src-d76c9ae77d726238f555f7117d67426fe7da5e8e.zip FreeBSD-src-d76c9ae77d726238f555f7117d67426fe7da5e8e.tar.gz | |
Added info about non-blocking support.
| -rw-r--r-- | lib/libc/sys/sendfile.2 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/libc/sys/sendfile.2 b/lib/libc/sys/sendfile.2 index 20ca6c8..58d6157 100644 --- a/lib/libc/sys/sendfile.2 +++ b/lib/libc/sys/sendfile.2 @@ -23,7 +23,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $Id$ +.\" $Id: sendfile.2,v 1.1 1998/11/05 14:43:29 dg Exp $ .\" .Dd November 5, 1998 .Dt SENDFILE 2 @@ -82,6 +82,16 @@ variable pointed to by The .Fa flags argument is currently undefined and should be specified as 0. +.Pp +When using a socket marked for non-blocking I/O, +.Fn sendfile +may send fewer bytes than requested. In this case, the number of bytes successfully +written is returned in +.Fa *sbytes +(if specified), +and the error +.Er EAGAIN +is returned. .Sh IMPLEMENTATION NOTES .Pp The FreeBSD implementation of @@ -123,6 +133,10 @@ An error occurred while reading from .Fa fd . .It Bq Er EFAULT An invalid address was specified for a parameter. +.It Bq Er EAGAIN +The socket is marked for non-blocking I/O and not all data was sent due to the socket buffer being filled. +If specified, the number of bytes successfully sent will be returned in +.Fa *sbytes . .El .Sh SEE ALSO .Xr open 2 , |
