[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/nptl/alloca_cutoff.c b/ap/libc/glibc/glibc-2.22/nptl/alloca_cutoff.c
new file mode 100644
index 0000000..74c4541
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/nptl/alloca_cutoff.c
@@ -0,0 +1,36 @@
+/* Determine whether block of given size can be allocated on the stack or not.
+ Copyright (C) 2002-2015 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; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <alloca.h>
+#include <stdlib.h>
+#include <sys/param.h>
+#include <pthreadP.h>
+
+
+int
+__libc_alloca_cutoff (size_t size)
+{
+ return size <= (MIN (__MAX_ALLOCA_CUTOFF,
+ THREAD_GETMEM (THREAD_SELF, stackblock_size) / 4
+ /* The main thread, before the thread library is
+ initialized, has zero in the stackblock_size
+ element. Since it is the main thread we can
+ assume the maximum available stack space. */
+ ?: __MAX_ALLOCA_CUTOFF * 4));
+}
+libc_hidden_def (__libc_alloca_cutoff)