cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / x86_64-linux-gnu / sys / poll.h

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/poll.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/poll.h
new file mode 100644 (file)
index 0000000..68f68ca
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/poll.h
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+/* Compatibility definitions for System V `poll' interface.
+   Copyright (C) 1994-2018 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 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
+   <http://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>
+#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 */