sim_sock.h

/* scp_sock.h: OS-dependent socket routines header file

   Copyright (c) 2001, Robert M Supnik

   Permission is hereby granted, free of charge, to any person obtaining a
   copy of this software and associated documentation files (the "Software"),
   to deal in the Software without restriction, including without limitation
   the rights to use, copy, modify, merge, publish, distribute, sublicense,
   and/or sell copies of the Software, and to permit persons to whom the
   Software is furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

   Except as contained in this notice, the name of Robert M Supnik shall not
   be used in advertising or otherwise to promote the sale, use or other dealings
   in this Software without prior written authorization from Robert M Supnik.

   30-Apr-02	RMS	Changed VMS stropts include to ioctl
   06-Feb-02	RMS	Added VMS support from Robert Alan Byer
   16-Sep-01	RMS	Added Macintosh support from Peter Schorn
*/

#if defined (WIN32)					/* Windows */
#undef INT_PTR						/* hack, hack */
#include <winsock.h>
#elif !defined (__OS2__)				/* other supported */
#define WSAGetLastError()	errno
#include <sys/types.h>					/* for fcntl, getpid */
#include <sys/socket.h>					/* for sockets */
#include <fcntl.h>
#include <unistd.h>
#include <netinet/in.h>					/* for sockaddr_in */
#include <netdb.h>
#endif
#if defined (VMS)					/* VMS unique */
#include <ioctl.h>					/* for ioctl */
#endif

/* Code uses Windows-specific defs that are undefined for most systems */

#if !defined (SOCKET)
#define SOCKET		int32
#endif
#if !defined (WSAEWOULDBLOCK)
#define WSAEWOULDBLOCK	EWOULDBLOCK
#endif
#if !defined (INVALID_SOCKET)
#define INVALID_SOCKET	-1 
#endif
#if !defined (SOCKET_ERROR)
#define SOCKET_ERROR	-1
#endif

SOCKET sim_master_sock (int32 port);
SOCKET sim_accept_conn (SOCKET master, UNIT *uptr, uint32 *ipaddr);
int32 sim_read_sock (SOCKET sock, char *buf, int32 nbytes);
int32 sim_write_sock (SOCKET sock, char *msg, int32 nbytes);
void sim_close_sock (SOCKET sock, t_bool master);
SOCKET sim_setnonblock (SOCKET sock);