From: Karl Heuer <kwzh@gnu.org>
Date: Mon, 23 Jan 1995 23:03:37 +0000 (+0000)
Subject: Initial revision
X-Git-Tag: emacs-19.34~5332
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=3ef31cb524d49c45c80da2779bb3fbde7625744f;p=emacs.git

Initial revision
---

diff --git a/src/sysselect.h b/src/sysselect.h
new file mode 100644
index 00000000000..139960031a8
--- /dev/null
+++ b/src/sysselect.h
@@ -0,0 +1,44 @@
+/* sysselect.h - System-dependent definitions for the select function.
+   Copyright (C) 1995 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#ifdef HAVE_SYS_SELECT
+#include <sys/select.h>
+#endif
+
+#ifdef FD_SET
+#ifdef FD_SETSIZE
+#define MAXDESC FD_SETSIZE
+#else
+#define MAXDESC 64
+#endif
+#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 */
+
+#if !defined (HAVE_SELECT) || defined (BROKEN_SELECT_NON_X)
+#define select sys_select
+#endif