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/*++
/* NAME
/* duplex_pipe 3
/* SUMMARY
/* local IPD
/* SYNOPSIS
/* #include <iostuff.h>
/*
/* int duplex_pipe(fds)
/* int *fds;
/* DESCRIPTION
/* duplex_pipe() uses whatever local primitive it takes
/* to get a two-way I/O channel.
/* DIAGNOSTICS
/* A null result means success. In case of error, the result
/* is -1 and errno is set to the appropriate number.
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
/* System libraries */
#include <sys_defs.h>
#include <sys/socket.h>
#include <unistd.h>
/* Utility library. */
#include "iostuff.h"
#include "sane_socketpair.h"
/* duplex_pipe - give me a duplex pipe or bust */
int duplex_pipe(int *fds)
{
#ifdef HAS_DUPLEX_PIPE
return (pipe(fds));
#else
return (sane_socketpair(AF_UNIX, SOCK_STREAM, 0, fds));
#endif
}
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