wvloopback.cc

00001 /*
00002  * Worldvisions Weaver Software:
00003  *   Copyright (C) 1997-2002 Net Integration Technologies, Inc.
00004  * 
00005  * Implementation of the WvLoopback stream.  WvLoopback uses a
00006  * socketpair() to create a stream that allows you to read()
00007  * everything written to it, even (especially) across a fork() call.
00008  */
00009 #include "wvloopback.h"
00010 #include "wvsocketpair.h"
00011 
00012 WvLoopback::WvLoopback()
00013 {
00014     int socks[2];
00015     
00016     if (wvsocketpair(SOCK_STREAM, socks))
00017     {
00018         seterr(errno);
00019         return;
00020     }
00021     
00022     rfd = socks[0];
00023     wfd = socks[1];
00024 
00025     set_close_on_exec(true);
00026     set_nonblock(true);
00027 }

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