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https://github.com/openwrt/openwrt.git
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249 lines
8.3 KiB
Diff
249 lines
8.3 KiB
Diff
From fd355bc1dbcb794ae1abf0fad1459e28d8567ba0 Mon Sep 17 00:00:00 2001
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From: Hiroaki KAWAI <kawai@stratosphere.co.jp>
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Date: Fri, 19 Apr 2013 01:09:35 +0000
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Subject: eventfd.h: Use new "bits/" scheme for arch-specific flags
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As in timerfd.h, eventfd.h needs arch-specific definition files.
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alpha, mips and sparc needs separate file, all the other arch
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will use common definition.
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This problem is already fixed in glibc.
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Also sanitize and provide bits for hppa.
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Make sure not to install the new bits/eventfd unless eventfd support is
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enabled.
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Signed-off-by: Hiroaki KAWAI <kawai@stratosphere.co.jp>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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---
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--- a/Makefile.in
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+++ b/Makefile.in
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@@ -272,6 +272,7 @@ HEADERS_RM-$(UCLIBC_HAS_XATTR)
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HEADERS_RM-$(UCLIBC_HAS_XLOCALE) += xlocale.h
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HEADERS_RM-$(UCLIBC_LINUX_SPECIFIC) += sys/eventfd.h sys/fsuid.h \
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bits/inotify.h \
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+ bits/eventfd.h \
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sys/inotify.h \
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sys/kdaemon.h \
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sys/perm.h \
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--- /dev/null
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+++ b/libc/sysdeps/linux/alpha/bits/eventfd.h
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@@ -0,0 +1,31 @@
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+/* Copyright (C) 2007-2013 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef _SYS_EVENTFD_H
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+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
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+#endif
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+
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+/* Flags for eventfd. */
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+enum
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+ {
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+ EFD_SEMAPHORE = 000000001,
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+#define EFD_SEMAPHORE EFD_SEMAPHORE
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+ EFD_CLOEXEC = 010000000,
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+#define EFD_CLOEXEC EFD_CLOEXEC
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+ EFD_NONBLOCK = 000000004
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+#define EFD_NONBLOCK EFD_NONBLOCK
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+ };
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--- /dev/null
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+++ b/libc/sysdeps/linux/common/bits/eventfd.h
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@@ -0,0 +1,31 @@
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+/* Copyright (C) 2007-2013 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef _SYS_EVENTFD_H
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+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
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+#endif
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+
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+/* Flags for eventfd. */
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+enum
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+ {
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+ EFD_SEMAPHORE = 00000001,
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+#define EFD_SEMAPHORE EFD_SEMAPHORE
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+ EFD_CLOEXEC = 02000000,
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+#define EFD_CLOEXEC EFD_CLOEXEC
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+ EFD_NONBLOCK = 00004000
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+#define EFD_NONBLOCK EFD_NONBLOCK
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+ };
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--- a/libc/sysdeps/linux/common/sys/eventfd.h
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+++ b/libc/sysdeps/linux/common/sys/eventfd.h
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@@ -1,4 +1,4 @@
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-/* Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
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+/* Copyright (C) 2007-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@@ -21,21 +21,12 @@
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#include <stdint.h>
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+/* Get the platform-dependent flags. */
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+#include <bits/eventfd.h>
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/* Type for event counter. */
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typedef uint64_t eventfd_t;
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-/* Flags for signalfd. */
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-enum
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- {
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- EFD_SEMAPHORE = 1,
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-#define EFD_SEMAPHORE EFD_SEMAPHORE
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- EFD_CLOEXEC = 02000000,
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-#define EFD_CLOEXEC EFD_CLOEXEC
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- EFD_NONBLOCK = 04000
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-#define EFD_NONBLOCK EFD_NONBLOCK
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- };
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-
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__BEGIN_DECLS
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@@ -43,6 +34,16 @@ __BEGIN_DECLS
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value to COUNT. */
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extern int eventfd (int __count, int __flags) __THROW;
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+#if 0 /* not (yet) implemented in uClibc */
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+
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+/* Read event counter and possibly wait for events. */
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+extern int eventfd_read (int __fd, eventfd_t *__value);
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+
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+/* Increment event counter. */
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+extern int eventfd_write (int __fd, eventfd_t __value);
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+
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+#endif
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+
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__END_DECLS
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#endif /* sys/eventfd.h */
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--- /dev/null
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+++ b/libc/sysdeps/linux/hppa/bits/eventfd.h
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@@ -0,0 +1,32 @@
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+/* Copyright (C) 2007-2013 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library. If not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef _SYS_EVENTFD_H
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+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
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+#endif
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+
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+/* Flags for signalfd. */
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+enum
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+ {
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+ EFD_SEMAPHORE = 000000001,
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+#define EFD_SEMAPHORE EFD_SEMAPHORE
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+ EFD_CLOEXEC = 010000000,
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+#define EFD_CLOEXEC EFD_CLOEXEC
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+/* the below value looks suspicious, should be 000200004 for consistency */
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+ EFD_NONBLOCK = 00200004 /* HPUX has separate NDELAY & NONBLOCK */
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+#define EFD_NONBLOCK EFD_NONBLOCK
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+ };
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--- /dev/null
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+++ b/libc/sysdeps/linux/mips/bits/eventfd.h
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@@ -0,0 +1,31 @@
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+/* Copyright (C) 2007-2013 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef _SYS_EVENTFD_H
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+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
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+#endif
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+
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+/* Flags for eventfd. */
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+enum
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+ {
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+ EFD_SEMAPHORE = 00000001,
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+#define EFD_SEMAPHORE EFD_SEMAPHORE
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+ EFD_CLOEXEC = 02000000,
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+#define EFD_CLOEXEC EFD_CLOEXEC
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+ EFD_NONBLOCK = 00000200
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+#define EFD_NONBLOCK EFD_NONBLOCK
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+ };
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--- /dev/null
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+++ b/libc/sysdeps/linux/sparc/bits/eventfd.h
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@@ -0,0 +1,31 @@
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+/* Copyright (C) 2007-2013 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef _SYS_EVENTFD_H
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+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
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+#endif
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+
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+/* Flags for eventfd. */
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+enum
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+ {
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+ EFD_SEMAPHORE = 1,
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+#define EFD_SEMAPHORE EFD_SEMAPHORE
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+ EFD_CLOEXEC = 0x400000,
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+#define EFD_CLOEXEC EFD_CLOEXEC
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+ EFD_NONBLOCK = 0x004000
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+#define EFD_NONBLOCK EFD_NONBLOCK
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+ };
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