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authorUlrich Drepper <drepper@redhat.com>2007-10-05 20:32:30 +0000
committerUlrich Drepper <drepper@redhat.com>2007-10-05 20:32:30 +0000
commit6789aaaa979339534384a212e21e7731eaddf985 (patch)
treed36b34b772aae760bd521617a4514bab1f3e9db2 /sysdeps/unix/sysv/linux/eventfd.c
parent8e351378b76880f861bdcda8fc11d5769e310a00 (diff)
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2007-10-04 Jakub Jelinek <jakub@redhat.com>
2007-10-03  Jakub Jelinek  <jakub@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/eventfd.c')
-rw-r--r--sysdeps/unix/sysv/linux/eventfd.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/eventfd.c b/sysdeps/unix/sysv/linux/eventfd.c
new file mode 100644
index 0000000000..180861aad2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/eventfd.c
@@ -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.  */
+
+#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
+}