From 6789aaaa979339534384a212e21e7731eaddf985 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 5 Oct 2007 20:32:30 +0000 Subject: 2007-10-04 Jakub Jelinek 2007-10-03 Jakub Jelinek --- sysdeps/unix/sysv/linux/eventfd.c | 43 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/eventfd.c (limited to 'sysdeps/unix/sysv/linux/eventfd.c') diff --git a/sysdeps/unix/sysv/linux/eventfd.c b/sysdeps/unix/sysv/linux/eventfd.c new file mode 100644 index 0000000000..180861aad2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/eventfd.c @@ -0,0 +1,43 @@ +/* Copyright (C) 2007 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. */ + +#include +#include +#include + + +int +eventfd (int count, int flags) +{ + /* The system call has no flag parameter which is bad. So we have + to wait until we have to support to pass additional values to the + kernel (sys_indirect) before implementing setting flags like + O_NONBLOCK etc. */ + if (flags != 0) + { + __set_errno (EINVAL); + return -1; + } + +#ifdef __NR_eventfd + return INLINE_SYSCALL (eventfd, 1, count); +#else + __set_errno (ENOSYS); + return -1; +#endif +} -- cgit v1.2.1