[Feature][ZXW-88]merge P50 version
Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No
Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libcurl/curl-7.86.0/docs/examples/opensslthreadlock.c b/ap/lib/libcurl/curl-7.86.0/docs/examples/opensslthreadlock.c
new file mode 100755
index 0000000..a7de777
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/docs/examples/opensslthreadlock.c
@@ -0,0 +1,97 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+/* <DESC>
+ * one way to set the necessary OpenSSL locking callbacks if you want to do
+ * multi-threaded transfers with HTTPS/FTPS with libcurl built to use OpenSSL.
+ * </DESC>
+ */
+/*
+ * This is not a complete stand-alone example.
+ *
+ * Author: Jeremy Brown
+ */
+
+#include <stdio.h>
+#include <pthread.h>
+#include <openssl/err.h>
+
+#define MUTEX_TYPE pthread_mutex_t
+#define MUTEX_SETUP(x) pthread_mutex_init(&(x), NULL)
+#define MUTEX_CLEANUP(x) pthread_mutex_destroy(&(x))
+#define MUTEX_LOCK(x) pthread_mutex_lock(&(x))
+#define MUTEX_UNLOCK(x) pthread_mutex_unlock(&(x))
+#define THREAD_ID pthread_self()
+
+
+void handle_error(const char *file, int lineno, const char *msg)
+{
+ fprintf(stderr, "** %s:%d %s\n", file, lineno, msg);
+ ERR_print_errors_fp(stderr);
+ /* exit(-1); */
+}
+
+/* This array will store all of the mutexes available to OpenSSL. */
+static MUTEX_TYPE *mutex_buf = NULL;
+
+static void locking_function(int mode, int n, const char *file, int line)
+{
+ if(mode & CRYPTO_LOCK)
+ MUTEX_LOCK(mutex_buf[n]);
+ else
+ MUTEX_UNLOCK(mutex_buf[n]);
+}
+
+static unsigned long id_function(void)
+{
+ return ((unsigned long)THREAD_ID);
+}
+
+int thread_setup(void)
+{
+ int i;
+
+ mutex_buf = malloc(CRYPTO_num_locks() * sizeof(MUTEX_TYPE));
+ if(!mutex_buf)
+ return 0;
+ for(i = 0; i < CRYPTO_num_locks(); i++)
+ MUTEX_SETUP(mutex_buf[i]);
+ CRYPTO_set_id_callback(id_function);
+ CRYPTO_set_locking_callback(locking_function);
+ return 1;
+}
+
+int thread_cleanup(void)
+{
+ int i;
+
+ if(!mutex_buf)
+ return 0;
+ CRYPTO_set_id_callback(NULL);
+ CRYPTO_set_locking_callback(NULL);
+ for(i = 0; i < CRYPTO_num_locks(); i++)
+ MUTEX_CLEANUP(mutex_buf[i]);
+ free(mutex_buf);
+ mutex_buf = NULL;
+ return 1;
+}