diff options
Diffstat (limited to 'main/libc0.9.32/0022-Add-eventfd-support.patch')
| -rw-r--r-- | main/libc0.9.32/0022-Add-eventfd-support.patch | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/main/libc0.9.32/0022-Add-eventfd-support.patch b/main/libc0.9.32/0022-Add-eventfd-support.patch new file mode 100644 index 0000000000..d42da01206 --- /dev/null +++ b/main/libc0.9.32/0022-Add-eventfd-support.patch @@ -0,0 +1,118 @@ +From 000e9aca3ee3f07c934a154fd375c5f3c7f9cc80 Mon Sep 17 00:00:00 2001 +From: Jean-Christian de Rivaz <jc@eclis.ch> +Date: Mon, 24 Oct 2011 19:07:43 +0200 +Subject: [PATCH] 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 <jc@eclis.ch> +Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> +(cherry picked from commit 9ed163dc0eaebe8734c35b356c406e9eb1c68d76) +--- + libc/sysdeps/linux/common/Makefile.in | 3 +- + libc/sysdeps/linux/common/eventfd.c | 18 +++++++++++ + libc/sysdeps/linux/common/sys/eventfd.h | 48 +++++++++++++++++++++++++++++++ + 3 files changed, 68 insertions(+), 1 deletions(-) + create mode 100644 libc/sysdeps/linux/common/eventfd.c + create mode 100644 libc/sysdeps/linux/common/sys/eventfd.h + +diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in +index 8f936ff..63f3f6f 100644 +--- a/libc/sysdeps/linux/common/Makefile.in ++++ b/libc/sysdeps/linux/common/Makefile.in +@@ -24,7 +24,8 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += capget.c capset.c inotify.c ioperm.c iopl.c \ + remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \ + sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \ + splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \ +- sync_file_range.c sysctl.c sysinfo.c timerfd.c uselib.c vhangup.c ++ sync_file_range.c sysctl.c sysinfo.c eventfd.c timerfd.c uselib.c \ ++ vhangup.c + # NPTL needs these internally: madvise.c + CSRC-$(findstring y,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE)) += madvise.c + ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) +diff --git a/libc/sysdeps/linux/common/eventfd.c b/libc/sysdeps/linux/common/eventfd.c +new file mode 100644 +index 0000000..cc3f3f0 +--- /dev/null ++++ b/libc/sysdeps/linux/common/eventfd.c +@@ -0,0 +1,18 @@ ++/* vi: set sw=4 ts=4: */ ++/* ++ * eventfd() for uClibc ++ * ++ * Copyright (C) 2011 Jean-Christian de Rivaz <jc@eclis.ch> ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include <sys/syscall.h> ++#include <sys/eventfd.h> ++ ++/* ++ * eventfd() ++ */ ++#ifdef __NR_eventfd ++_syscall2(int, eventfd, int, count, int, flags) ++#endif +diff --git a/libc/sysdeps/linux/common/sys/eventfd.h b/libc/sysdeps/linux/common/sys/eventfd.h +new file mode 100644 +index 0000000..311f803 +--- /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 <stdint.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 ++ ++/* 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 */ +-- +1.7.8 + |