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-rw-r--r--REORG.TODO/libio/__fsetlocking.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/REORG.TODO/libio/__fsetlocking.c b/REORG.TODO/libio/__fsetlocking.c
new file mode 100644
index 0000000000..5fcf75b0e4
--- /dev/null
+++ b/REORG.TODO/libio/__fsetlocking.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 2000-2017 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 <stdio_ext.h>
+
+#undef __fsetlocking
+
+int
+__fsetlocking (FILE *fp, int type)
+{
+  int result = ((fp->_flags & _IO_USER_LOCK)
+		? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL);
+
+  if (type != FSETLOCKING_QUERY)
+    {
+      fp->_flags &= ~_IO_USER_LOCK;
+      if (type == FSETLOCKING_BYCALLER)
+	 fp->_flags |= _IO_USER_LOCK;
+    }
+
+  return result;
+}
+libc_hidden_def (__fsetlocking)