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/*
* Worldvisions Weaver Software:
* Copyright (C) 1997-2002 Net Integration Technologies, Inc.
*
* Implementation of the WvLoopback stream. WvLoopback uses a
* socketpair() to create a stream that allows you to read()
* everything written to it, even (especially) across a fork() call.
*/
#include "wvloopback.h"
#include "wvsocketpair.h"
#include "wvmoniker.h"
#include "wvlinkerhack.h"
WV_LINK(WvLoopback);
static IWvStream *create_loopback(WvStringParm, IObject *)
{
return new WvLoopback();
}
static WvMoniker<IWvStream> reg("loop", create_loopback);
WvLoopback::WvLoopback()
{
int socks[2];
if (wvsocketpair(SOCK_STREAM, socks))
{
seterr(errno);
return;
}
rfd = socks[0];
wfd = socks[1];
set_close_on_exec(true);
set_nonblock(true);
}
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