diff --git a/ap/lib/libssl/openssl-1.1.1o/test/threadstest.c b/ap/lib/libssl/openssl-1.1.1o/test/threadstest.c
new file mode 100644
index 0000000..ee09f86
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/test/threadstest.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#if defined(_WIN32)
+# include <windows.h>
+#endif
+
+#include <openssl/crypto.h>
+#include "testutil.h"
+
+#if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
+
+typedef unsigned int thread_t;
+
+static int run_thread(thread_t *t, void (*f)(void))
+{
+    f();
+    return 1;
+}
+
+static int wait_for_thread(thread_t thread)
+{
+    return 1;
+}
+
+#elif defined(OPENSSL_SYS_WINDOWS)
+
+typedef HANDLE thread_t;
+
+static DWORD WINAPI thread_run(LPVOID arg)
+{
+    void (*f)(void);
+
+    *(void **) (&f) = arg;
+
+    f();
+    return 0;
+}
+
+static int run_thread(thread_t *t, void (*f)(void))
+{
+    *t = CreateThread(NULL, 0, thread_run, *(void **) &f, 0, NULL);
+    return *t != NULL;
+}
+
+static int wait_for_thread(thread_t thread)
+{
+    return WaitForSingleObject(thread, INFINITE) == 0;
+}
+
+#else
+
+typedef pthread_t thread_t;
+
+static void *thread_run(void *arg)
+{
+    void (*f)(void);
+
+    *(void **) (&f) = arg;
+
+    f();
+    return NULL;
+}
+
+static int run_thread(thread_t *t, void (*f)(void))
+{
+    return pthread_create(t, NULL, thread_run, *(void **) &f) == 0;
+}
+
+static int wait_for_thread(thread_t thread)
+{
+    return pthread_join(thread, NULL) == 0;
+}
+
+#endif
+
+static int test_lock(void)
+{
+    CRYPTO_RWLOCK *lock = CRYPTO_THREAD_lock_new();
+
+    if (!TEST_true(CRYPTO_THREAD_read_lock(lock))
+        || !TEST_true(CRYPTO_THREAD_unlock(lock)))
+        return 0;
+
+    CRYPTO_THREAD_lock_free(lock);
+
+    return 1;
+}
+
+static CRYPTO_ONCE once_run = CRYPTO_ONCE_STATIC_INIT;
+static unsigned once_run_count = 0;
+
+static void once_do_run(void)
+{
+    once_run_count++;
+}
+
+static void once_run_thread_cb(void)
+{
+    CRYPTO_THREAD_run_once(&once_run, once_do_run);
+}
+
+static int test_once(void)
+{
+    thread_t thread;
+
+    if (!TEST_true(run_thread(&thread, once_run_thread_cb))
+        || !TEST_true(wait_for_thread(thread))
+        || !CRYPTO_THREAD_run_once(&once_run, once_do_run)
+        || !TEST_int_eq(once_run_count, 1))
+        return 0;
+    return 1;
+}
+
+static CRYPTO_THREAD_LOCAL thread_local_key;
+static unsigned destructor_run_count = 0;
+static int thread_local_thread_cb_ok = 0;
+
+static void thread_local_destructor(void *arg)
+{
+    unsigned *count;
+
+    if (arg == NULL)
+        return;
+
+    count = arg;
+
+    (*count)++;
+}
+
+static void thread_local_thread_cb(void)
+{
+    void *ptr;
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (!TEST_ptr_null(ptr)
+        || !TEST_true(CRYPTO_THREAD_set_local(&thread_local_key,
+                                              &destructor_run_count)))
+        return;
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (!TEST_ptr_eq(ptr, &destructor_run_count))
+        return;
+
+    thread_local_thread_cb_ok = 1;
+}
+
+static int test_thread_local(void)
+{
+    thread_t thread;
+    void *ptr = NULL;
+
+    if (!TEST_true(CRYPTO_THREAD_init_local(&thread_local_key,
+                                            thread_local_destructor)))
+        return 0;
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (!TEST_ptr_null(ptr)
+        || !TEST_true(run_thread(&thread, thread_local_thread_cb))
+        || !TEST_true(wait_for_thread(thread))
+        || !TEST_int_eq(thread_local_thread_cb_ok, 1))
+        return 0;
+
+#if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (!TEST_ptr_null(ptr))
+        return 0;
+
+# if !defined(OPENSSL_SYS_WINDOWS)
+    if (!TEST_int_eq(destructor_run_count, 1))
+        return 0;
+# endif
+#endif
+
+    if (!TEST_true(CRYPTO_THREAD_cleanup_local(&thread_local_key)))
+        return 0;
+    return 1;
+}
+
+int setup_tests(void)
+{
+    ADD_TEST(test_lock);
+    ADD_TEST(test_once);
+    ADD_TEST(test_thread_local);
+    return 1;
+}