From 9ed163dc0eaebe8734c35b356c406e9eb1c68d76 Mon Sep 17 00:00:00 2001 From: Jean-Christian de Rivaz Date: Mon, 24 Oct 2011 19:07:43 +0200 Subject: Add eventfd support. Hello, I whould like to share this simple patch that add the eventfd call to uClibc. Please review so it can be accepted to be merged. Jean-Christian Signed-off-by: Jean-Christian de Rivaz Signed-off-by: Carmelo Amoroso --- libc/sysdeps/linux/common/sys/eventfd.h | 48 +++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 libc/sysdeps/linux/common/sys/eventfd.h (limited to 'libc/sysdeps/linux/common/sys') diff --git a/libc/sysdeps/linux/common/sys/eventfd.h b/libc/sysdeps/linux/common/sys/eventfd.h new file mode 100644 index 000000000..311f803c6 --- /dev/null +++ b/libc/sysdeps/linux/common/sys/eventfd.h @@ -0,0 +1,48 @@ +/* Copyright (C) 2007, 2008, 2009 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_EVENTFD_H +#define _SYS_EVENTFD_H 1 + +#include + + +/* 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 + +/* Return file descriptor for generic event channel. Set initial + value to COUNT. */ +extern int eventfd (int __count, int __flags) __THROW; + +__END_DECLS + +#endif /* sys/eventfd.h */ -- cgit v1.2.3