/* sysselect.h - System-dependent definitions for the select function.
- Copyright (C) 1995, 2001-2012 Free Software Foundation, Inc.
+ Copyright (C) 1995, 2001-2014 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-#if defined (DARWIN_OS)
-#undef init_process
-#endif
+#ifndef SYSSELECT_H
+#define SYSSELECT_H 1
+
#ifndef DOS_NT
#include <sys/select.h>
#endif
-#if defined (DARWIN_OS)
-#define init_process emacs_init_process
-#endif
/* The w32 build defines select stuff in w32.h, which is included
where w32 needs it, but not where sysselect.h is included. The w32
definitions in w32.h are incompatible with the below. */
#ifndef WINDOWSNT
#ifdef FD_SET
-#ifdef FD_SETSIZE
-#define MAXDESC FD_SETSIZE
-#else
-#define MAXDESC 64
+#ifndef FD_SETSIZE
+#define FD_SETSIZE 64
#endif
-#define SELECT_TYPE fd_set
#else /* no FD_SET */
-#define MAXDESC 32
-#define SELECT_TYPE int
+#define FD_SETSIZE 32
+typedef int fd_set;
/* Define the macros to access a single-int bitmap of descriptors. */
#define FD_SET(n, p) (*(p) |= (1 << (n)))
#ifdef MSDOS
#define pselect sys_select
#endif
+
+#ifndef WINDOWSNT
+INLINE_HEADER_BEGIN
+
+/* Check for out-of-range errors if ENABLE_CHECKING is defined. */
+
+INLINE void
+fd_CLR (int fd, fd_set *set)
+{
+ eassume (0 <= fd && fd < FD_SETSIZE);
+ FD_CLR (fd, set);
+}
+
+INLINE bool
+fd_ISSET (int fd, fd_set *set)
+{
+ eassume (0 <= fd && fd < FD_SETSIZE);
+ return FD_ISSET (fd, set) != 0;
+}
+
+INLINE void
+fd_SET (int fd, fd_set *set)
+{
+ eassume (0 <= fd && fd < FD_SETSIZE);
+ FD_SET (fd, set);
+}
+
+#undef FD_CLR
+#undef FD_ISSET
+#undef FD_SET
+#define FD_CLR(fd, set) fd_CLR (fd, set)
+#define FD_ISSET(fd, set) fd_ISSET (fd, set)
+#define FD_SET(fd, set) fd_SET (fd, set)
+
+INLINE_HEADER_END
+
+#endif /* !WINDOWSNT */
+
+#endif