2 Copyright (C) 1995 Free Software Foundation, Inc.
4 This file is part of XEmacs.
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Synched up with: Not really in FSF. */
23 #ifndef INCLUDED_sysproc_h_
24 #define INCLUDED_sysproc_h_
30 #include "systime.h" /* necessary for sys/resource.h; also gets the
31 FD_* defines on some systems. */
33 #include <sys/resource.h>
36 #if !defined (NO_SUBPROCESSES)
38 #ifdef HAVE_SOCKETS /* TCP connection support, if kernel can do it */
39 # include <sys/types.h> /* AJK */
40 # include <sys/socket.h>
42 # include <netinet/in.h>
43 # include <arpa/inet.h>
44 #ifdef NEED_NET_ERRNO_H
45 #include <net/errno.h>
46 #endif /* NEED_NET_ERRNO_H */
47 #elif defined (SKTPAIR)
48 # include <sys/socket.h>
49 #endif /* HAVE_SOCKETS */
51 /* On some systems, e.g. DGUX, inet_addr returns a 'struct in_addr'. */
52 #ifdef HAVE_BROKEN_INET_ADDR
53 # define IN_ADDR struct in_addr
54 # define NUMERIC_ADDR_ERROR (numeric_addr.s_addr == -1)
57 # define IN_ADDR unsigned int
59 # define IN_ADDR unsigned long
61 # define NUMERIC_ADDR_ERROR (numeric_addr == (IN_ADDR) -1)
64 /* Define first descriptor number available for subprocesses. */
65 #define FIRST_PROC_DESC 3
68 # include <sys/sysmacros.h> /* for "minor" */
71 #endif /* !NO_SUBPROCESSES */
74 #include <sys/select.h>
79 /* We could get this from param.h, but better not to depend on finding that.
80 And better not to risk that it might define other symbols used in this
83 # define MAXDESC FD_SETSIZE
86 # endif /* FD_SETSIZE */
87 # define SELECT_TYPE fd_set
92 # define SELECT_TYPE int
94 /* Define the macros to access a single-int bitmap of descriptors. */
95 # define FD_SET(n, p) (*(p) |= (1 << (n)))
96 # define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
97 # define FD_ISSET(n, p) (*(p) & (1 << (n)))
98 # define FD_ZERO(p) (*(p) = 0)
100 #endif /* no FD_SET */
102 int poll_fds_for_input (SELECT_TYPE mask);
105 /* #include <process.h> */
106 /* Damn that local process.h! Instead we can define P_WAIT ourselves. */
110 #endif /* INCLUDED_sysproc_h_ */