XEmacs 21.2-b1

[chise/xemacs-chise.git.1] / src / sysproc.h

diff --git a/src/sysproc.h b/src/sysproc.h
new file mode 100644 (file)
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--- /dev/null
+++ b/src/sysproc.h
@@ -0,0 +1,110 @@
+/*
+   Copyright (C) 1995 Free Software Foundation, Inc.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not really in FSF. */
+
+#ifdef HAVE_VFORK_H
+# include <vfork.h>
+#endif
+
+#include "systime.h" /* necessary for sys/resource.h; also gets the
+                       FD_* defines on some systems. */
+#ifndef WINDOWSNT
+#include <sys/resource.h>
+#endif
+
+#if !defined (NO_SUBPROCESSES)
+
+#ifdef HAVE_SOCKETS    /* TCP connection support, if kernel can do it */
+# include <sys/types.h>  /* AJK */
+# include <sys/socket.h>
+# include <netdb.h>
+# include <netinet/in.h>
+# include <arpa/inet.h>
+#ifdef NEED_NET_ERRNO_H
+#include <net/errno.h>
+#endif /* NEED_NET_ERRNO_H */
+#elif defined (SKTPAIR)
+# include <sys/socket.h>
+#endif /* HAVE_SOCKETS */
+
+/* On some systems, e.g. DGUX, inet_addr returns a 'struct in_addr'. */
+#ifdef HAVE_BROKEN_INET_ADDR
+# define IN_ADDR struct in_addr
+# define NUMERIC_ADDR_ERROR (numeric_addr.s_addr == -1)
+#else
+# if (LONGBITS > 32)
+#  define IN_ADDR unsigned int
+# else
+#  define IN_ADDR unsigned long
+# endif
+# define NUMERIC_ADDR_ERROR (numeric_addr == (IN_ADDR) -1)
+#endif
+
+/* Define first descriptor number available for subprocesses.  */
+#define FIRST_PROC_DESC 3
+
+#ifdef IRIS
+# include <sys/sysmacros.h>    /* for "minor" */
+#endif /* not IRIS */
+
+#endif /* !NO_SUBPROCESSES */
+
+#ifdef AIX
+#include <sys/select.h>
+#endif
+
+#ifdef FD_SET
+
+/* We could get this from param.h, but better not to depend on finding that.
+   And better not to risk that it might define other symbols used in this
+   file.  */
+# ifdef FD_SETSIZE
+#  define MAXDESC FD_SETSIZE
+# else
+#  define MAXDESC 64
+# endif /* FD_SETSIZE */
+# define SELECT_TYPE fd_set
+
+#else /* no FD_SET */
+
+# define MAXDESC 32
+# define SELECT_TYPE int
+
+/* Define the macros to access a single-int bitmap of descriptors.  */
+# define FD_SET(n, p) (*(p) |= (1 << (n)))
+# define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
+# define FD_ISSET(n, p) (*(p) & (1 << (n)))
+# define FD_ZERO(p) (*(p) = 0)
+
+#endif /* no FD_SET */
+
+#ifdef EMACS_BTL
+int cadillac_stop_logging ();
+int cadillac_start_logging ();
+#endif
+
+int poll_fds_for_input (SELECT_TYPE mask);
+
+#ifdef MSDOS
+/* #include <process.h> */
+/* Damn that local process.h!  Instead we can define P_WAIT ourselves.  */
+#define P_WAIT 1
+#endif