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wifipineapple-openwrt/toolchain/uClibc/patches-0.9.33.2/999-eventfd_use_bits_scheme...

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From fd355bc1dbcb794ae1abf0fad1459e28d8567ba0 Mon Sep 17 00:00:00 2001
From: Hiroaki KAWAI <kawai@stratosphere.co.jp>
Date: Fri, 19 Apr 2013 01:09:35 +0000
Subject: eventfd.h: Use new "bits/" scheme for arch-specific flags
As in timerfd.h, eventfd.h needs arch-specific definition files.
alpha, mips and sparc needs separate file, all the other arch
will use common definition.
This problem is already fixed in glibc.
Also sanitize and provide bits for hppa.
Make sure not to install the new bits/eventfd unless eventfd support is
enabled.
Signed-off-by: Hiroaki KAWAI <kawai@stratosphere.co.jp>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
--- a/Makefile.in
+++ b/Makefile.in
@@ -272,6 +272,7 @@ HEADERS_RM-$(UCLIBC_HAS_XATTR)
HEADERS_RM-$(UCLIBC_HAS_XLOCALE) += xlocale.h
HEADERS_RM-$(UCLIBC_LINUX_SPECIFIC) += sys/eventfd.h sys/fsuid.h \
bits/inotify.h \
+ bits/eventfd.h \
sys/inotify.h \
sys/kdaemon.h \
sys/perm.h \
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd. */
+enum
+ {
+ EFD_SEMAPHORE = 000000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+ EFD_CLOEXEC = 010000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+ EFD_NONBLOCK = 000000004
+#define EFD_NONBLOCK EFD_NONBLOCK
+ };
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd. */
+enum
+ {
+ EFD_SEMAPHORE = 00000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+ EFD_CLOEXEC = 02000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+ EFD_NONBLOCK = 00004000
+#define EFD_NONBLOCK EFD_NONBLOCK
+ };
--- a/libc/sysdeps/linux/common/sys/eventfd.h
+++ b/libc/sysdeps/linux/common/sys/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2013 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
@@ -21,21 +21,12 @@
#include <stdint.h>
+/* Get the platform-dependent flags. */
+#include <bits/eventfd.h>
/* Type for event counter. */
typedef uint64_t eventfd_t;
-/* Flags for signalfd. */
-enum
- {
- EFD_SEMAPHORE = 1,
-#define EFD_SEMAPHORE EFD_SEMAPHORE
- EFD_CLOEXEC = 02000000,
-#define EFD_CLOEXEC EFD_CLOEXEC
- EFD_NONBLOCK = 04000
-#define EFD_NONBLOCK EFD_NONBLOCK
- };
-
__BEGIN_DECLS
@@ -43,6 +34,16 @@ __BEGIN_DECLS
value to COUNT. */
extern int eventfd (int __count, int __flags) __THROW;
+#if 0 /* not (yet) implemented in uClibc */
+
+/* Read event counter and possibly wait for events. */
+extern int eventfd_read (int __fd, eventfd_t *__value);
+
+/* Increment event counter. */
+extern int eventfd_write (int __fd, eventfd_t __value);
+
+#endif
+
__END_DECLS
#endif /* sys/eventfd.h */
--- /dev/null
+++ b/libc/sysdeps/linux/hppa/bits/eventfd.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 2007-2013 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_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for signalfd. */
+enum
+ {
+ EFD_SEMAPHORE = 000000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+ EFD_CLOEXEC = 010000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+/* the below value looks suspicious, should be 000200004 for consistency */
+ EFD_NONBLOCK = 00200004 /* HPUX has separate NDELAY & NONBLOCK */
+#define EFD_NONBLOCK EFD_NONBLOCK
+ };
--- /dev/null
+++ b/libc/sysdeps/linux/mips/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd. */
+enum
+ {
+ EFD_SEMAPHORE = 00000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+ EFD_CLOEXEC = 02000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+ EFD_NONBLOCK = 00000200
+#define EFD_NONBLOCK EFD_NONBLOCK
+ };
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd. */
+enum
+ {
+ EFD_SEMAPHORE = 1,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+ EFD_CLOEXEC = 0x400000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+ EFD_NONBLOCK = 0x004000
+#define EFD_NONBLOCK EFD_NONBLOCK
+ };
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