GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages


Manual Reference Pages  -  LIBOWFAT_IO_SENDFILE (3)

NAME

io_sendfile - send data from a file to a socket

CONTENTS

Syntax
Description

SYNTAX

#include <io.h>

int64 io_sendfile(int64 sock,int64 fd,uint64 off,uint64 n);

DESCRIPTION

io_sendfile sends data from a file to a socket. This function tries to do this in a way that allows high quality operating systems to do zero-copy TCP (serving the data without copying the file contents to user space or inside kernel space). This function will use special operating system "sendfile" primitives where available and use memory mapped I/O otherwise. It should always be faster than using read() and write() to copy the data yourself.

io_sendfile will return the number of bytes sent. If an error occurred, it will return -1 for EAGAIN, or -3 otherwise.

SEE ALSO

io_wait(3), io_waituntil(3)
Search for    or go to Top of page |  Section 3 |  Main Index


IO_SENDFILE (3) -->

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.