1 files changed, 2 insertions, 75 deletions
diff --git a/io/sys/poll.h b/io/sys/poll.h
index 857be0f5ac..43ee82dcbc 100644
--- a/io/sys/poll.h
+++ b/io/sys/poll.h
@@ -1,76 +1,3 @@
-/* Compatibility definitions for System V `poll' interface.
-   Copyright (C) 1994-2020 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 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef	_SYS_POLL_H
-#define	_SYS_POLL_H	1
-
-#include <features.h>
-
-/* Get the platform dependent bits of `poll'.  */
-#include <bits/poll.h>
-#ifdef __USE_GNU
-# include <bits/types/__sigset_t.h>
-# include <bits/types/struct_timespec.h>
+#ifndef _POLL_H
+# include <poll.h>
 #endif
-
-
-/* Type used for the number of file descriptors.  */
-typedef unsigned long int nfds_t;
-
-/* Data structure describing a polling request.  */
-struct pollfd
-  {
-    int fd;			/* File descriptor to poll.  */
-    short int events;		/* Types of events poller cares about.  */
-    short int revents;		/* Types of events that actually occurred.  */
-  };
-
-
-__BEGIN_DECLS
-
-/* Poll the file descriptors described by the NFDS structures starting at
-   FDS.  If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
-   an event to occur; if TIMEOUT is -1, block until an event occurs.
-   Returns the number of file descriptors with events, zero if timed out,
-   or -1 for errors.
-
-   This function is a cancellation point and therefore not marked with
-   __THROW.  */
-extern int poll (struct pollfd *__fds, nfds_t __nfds, int __timeout);
-
-#ifdef __USE_GNU
-/* Like poll, but before waiting the threads signal mask is replaced
-   with that specified in the fourth parameter.  For better usability,
-   the timeout value is specified using a TIMESPEC object.
-
-   This function is a cancellation point and therefore not marked with
-   __THROW.  */
-extern int ppoll (struct pollfd *__fds, nfds_t __nfds,
-		  const struct timespec *__timeout,
-		  const __sigset_t *__ss);
-#endif
-
-__END_DECLS
-
-
-/* Define some inlines helping to catch common problems.  */
-#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
-# include <bits/poll2.h>
-#endif
-
-#endif	/* sys/poll.h */