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authorJakub Jelinek <jakub@redhat.com>2007-10-10 21:00:50 +0000
committerJakub Jelinek <jakub@redhat.com>2007-10-10 21:00:50 +0000
commitfc2a4f5f837f259c239fbd15911f80ca8c6907e3 (patch)
tree2be478cfcb93051f657027d6fafd96778aa49317 /sysdeps/unix/sysv/linux/sys/eventfd.h
parent75cb5a0d471729d28a59b693441e2d527c9e962e (diff)
Updated to fedora-glibc-20071010T2047cvs/fedora-glibc-2_6_90-18
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys/eventfd.h')
-rw-r--r--sysdeps/unix/sysv/linux/sys/eventfd.h43
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
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+++ 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 */