Merge from origin/emacs-25

[gnu-emacs] / src / sysselect.h

diff --git a/src/sysselect.h b/src/sysselect.h
index 09021e29e1a535324d660f9ccfc5a45da56c1129..b625a6582f91d2f1f1a320d8130c71af959304f7 100644 (file)
--- a/src/sysselect.h
+++ b/src/sysselect.h
@@ -1,5 +1,5 @@
 /* sysselect.h - System-dependent definitions for the select function.
-   Copyright (C) 1995, 2001-2015 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2016 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -16,10 +16,15 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#ifndef SYSSELECT_H
+#define SYSSELECT_H 1
+
 #ifndef DOS_NT
 #include <sys/select.h>
 #endif
 
+#include "lisp.h"
+
 /* 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.  */
@@ -47,3 +52,42 @@ typedef int fd_set;
 #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