Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / bits / poll.h

diff --git a/sysdeps/unix/sysv/linux/bits/poll.h b/sysdeps/unix/sysv/linux/bits/poll.h
index c6b1d2324af388f659341e647d899a345ed4616e..4bd9db6fab2837fe90ad59e77f5e45aa0d8d338a 100644 (file)
--- a/sysdeps/unix/sysv/linux/bits/poll.h
+++ b/sysdeps/unix/sysv/linux/bits/poll.h
@@ -1,21 +1,23 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library 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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
+#ifndef _SYS_POLL_H
+# error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
+#endif
 
 /* Event types that can be polled for.  These bits may be set in `events'
    to indicate the interesting event types; they will appear in `revents'
@@ -24,7 +26,7 @@
 #define POLLPRI                0x002           /* There is urgent data to read.  */
 #define POLLOUT                0x004           /* Writing now will not block.  */
 
-#ifdef __USE_XOPEN
+#if defined __USE_XOPEN || defined __USE_XOPEN2K8
 /* These values are defined in XPG4.2.  */
 # define POLLRDNORM    0x040           /* Normal data may be read.  */
 # define POLLRDBAND    0x080           /* Priority data may be read.  */
@@ -33,8 +35,10 @@
 #endif
 
 #ifdef __USE_GNU
-/* This is an extension for Linux.  */
+/* These are extensions for Linux.  */
 # define POLLMSG       0x400
+# define POLLREMOVE    0x1000
+# define POLLRDHUP     0x2000
 #endif
 
 /* Event types always implicitly polled for.  These bits need not be set in
@@ -43,6 +47,3 @@
 #define POLLERR                0x008           /* Error condition.  */
 #define POLLHUP                0x010           /* Hung up.  */
 #define POLLNVAL       0x020           /* Invalid polling request.  */
-
-/* Canonical number of polling requests to read in at a time in poll.  */
-#define NPOLLFILE      30