diff options
Diffstat (limited to 'libc/sysdeps/linux/common/sys/eventfd.h')
-rw-r--r-- | libc/sysdeps/linux/common/sys/eventfd.h | 48 |
1 files changed, 48 insertions, 0 deletions
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 <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 */ |