zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/longjmp.c b/ap/build/uClibc/libc/sysdeps/linux/common/longjmp.c
new file mode 100644
index 0000000..f3448bc
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/longjmp.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1991, 92, 94, 95, 97, 98, 2000 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 <stddef.h>
+#include <setjmp.h>
+#include <signal.h>
+
+
+extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn;
+libc_hidden_proto(__longjmp)
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+extern void _longjmp_unwind (jmp_buf env, int val);
+#endif
+
+extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
+/* Set the signal mask to the one specified in ENV, and jump
+ to the position specified in ENV, causing the setjmp
+ call there to return VAL, or 1 if VAL is 0. */
+void __libc_longjmp (sigjmp_buf env, int val)
+{
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ /* Perform any cleanups needed by the frames being unwound. */
+ _longjmp_unwind (env, val);
+#endif
+
+ if (env[0].__mask_was_saved)
+ /* Restore the saved signal mask. */
+ (void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask, NULL);
+
+ /* Call the machine-dependent function to restore machine state. */
+ __longjmp (env[0].__jmpbuf, val ?: 1);
+}
+
+weak_alias(__libc_longjmp,longjmp)
+weak_alias(__libc_longjmp,siglongjmp)
+strong_alias(__libc_longjmp,__libc_siglongjmp)
+strong_alias(__libc_longjmp,_longjmp)