diff options
author | Ulrich Drepper <drepper@redhat.com> | 2007-10-05 20:32:30 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2007-10-05 20:32:30 +0000 |
commit | 6789aaaa979339534384a212e21e7731eaddf985 (patch) | |
tree | d36b34b772aae760bd521617a4514bab1f3e9db2 /sysdeps/unix/sysv/linux/sys | |
parent | 8e351378b76880f861bdcda8fc11d5769e310a00 (diff) | |
download | glibc-6789aaaa979339534384a212e21e7731eaddf985.tar.gz |
2007-10-04 Jakub Jelinek <jakub@redhat.com>
2007-10-03 Jakub Jelinek <jakub@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys')
-rw-r--r-- | sysdeps/unix/sysv/linux/sys/eventfd.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/eventfd.h b/sysdeps/unix/sysv/linux/sys/eventfd.h new file mode 100644 index 0000000000..1ebaea7b30 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sys/eventfd.h @@ -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. */ + +#ifndef _SYS_EVENTFD_H +#define _SYS_EVENTFD_H 1 + +#include <stdint.h> + + +/* Type for event counter. */ +typedef uint64_t eventfd_t; + + +__BEGIN_DECLS + +/* Return file descriptor for generic event channel. Set initial + value to COUNT. */ +extern int eventfd (int __count, int __flags) __THROW; + +/* 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); + +__END_DECLS + +#endif /* sys/eventfd.h */ |