glibc/sysdeps/unix/sysv/linux/eventfd.c
Ulrich Drepper 6789aaaa97 2007-10-04 Jakub Jelinek <jakub@redhat.com>
2007-10-03  Jakub Jelinek  <jakub@redhat.com>
2007-10-05 20:32:30 +00:00

44 lines
1.3 KiB
C

/* 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 <errno.h>
#include <sys/eventfd.h>
#include <sysdep.h>
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
}