[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/stdio/__fsetlocking.c b/ap/build/uClibc/libc/stdio/__fsetlocking.c
new file mode 100644
index 0000000..6d4fc18
--- /dev/null
+++ b/ap/build/uClibc/libc/stdio/__fsetlocking.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+#include <stdio_ext.h>
+
+
+/* Not threadsafe. */
+
+/* Notes:
+ * When setting the locking mode, glibc returns the previous setting.
+ * glibc treats invalid locking_mode args as FSETLOCKING_INTERNAL.
+ */
+
+int __fsetlocking(FILE *stream, int locking_mode)
+{
+#ifdef __UCLIBC_HAS_THREADS__
+ int current = 1 + (stream->__user_locking & 1);
+
+ /* Check constant assumptions. We can't test at build time
+ * since these are enums. */
+ assert((FSETLOCKING_QUERY == 0) && (FSETLOCKING_INTERNAL == 1)
+ && (FSETLOCKING_BYCALLER == 2));
+
+ __STDIO_STREAM_VALIDATE(stream);
+ assert(((unsigned int) locking_mode) <= 2);
+
+ if (locking_mode != FSETLOCKING_QUERY) {
+ stream->__user_locking = ((locking_mode == FSETLOCKING_BYCALLER)
+ ? 1
+ : _stdio_user_locking); /* 0 or 2 */
+ __STDIO_STREAM_VALIDATE(stream);
+ }
+
+ return current;
+#else
+ __STDIO_STREAM_VALIDATE(stream);
+ assert(((unsigned int) locking_mode) <= 2);
+
+ return FSETLOCKING_INTERNAL;
+#endif
+}
+libc_hidden_def(__fsetlocking)