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authorKhem Raj <raj.khem@gmail.com>2014-02-20 00:30:18 -0800
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2015-02-17 23:42:30 +0100
commit9fc6da20daeac3f06116630764c36fc4943b1f3a (patch)
tree2b614c29ed48ccb9007fa6750513a57283fc88b1 /libc/sysdeps/linux/common/eventfd_read.c
parent31b0af2da8120e2b3f176d955eeca034e434b1b7 (diff)
Add eventfd_read() and eventfd_write()
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/common/eventfd_read.c')
-rw-r--r--libc/sysdeps/linux/common/eventfd_read.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/eventfd_read.c b/libc/sysdeps/linux/common/eventfd_read.c
new file mode 100644
index 000000000..75f2aaa11
--- /dev/null
+++ b/libc/sysdeps/linux/common/eventfd_read.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2007-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/eventfd.h>
+
+
+int
+eventfd_read (int fd, eventfd_t *value)
+{
+ return read (fd, value, sizeof (eventfd_t)) != sizeof (eventfd_t) ? -1 : 0;
+}