+++ /dev/null
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 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>
- * Show the required mutex callback setups for GnuTLS and OpenSSL when using
- * libcurl multi-threaded.
- * </DESC>
- */
-/* A multi-threaded example that uses pthreads and fetches 4 remote files at
- * once over HTTPS.
- *
- * Recent versions of OpenSSL and GnuTLS are thread-safe by design, assuming
- * support for the underlying OS threading API is built-in. Older revisions
- * of this example demonstrated locking callbacks for the SSL library, which
- * are no longer necessary. An older revision with callbacks can be found at
- * https://github.com/curl/curl/blob/curl-7_88_1/docs/examples/threaded-ssl.c
- */
-
-/* Requires: HAVE_PTHREAD_H */
-/* Also requires TLS support to run */
-
-#include <stdio.h>
-
-#include <pthread.h>
-
-#include <curl/curl.h>
-
-#define NUMT 4
-
-/* List of URLs to fetch.*/
-static const char * const urls[] = {
- "https://www.example.com/",
- "https://www2.example.com/",
- "https://www3.example.com/",
- "https://www4.example.com/",
-};
-
-static void *pull_one_url(void *pindex)
-{
- CURL *curl;
-
- curl = curl_easy_init();
- if(curl) {
- int i = *(int *)pindex;
- curl_easy_setopt(curl, CURLOPT_URL, urls[i]);
- /* this example does not verify the server's certificate, which means we
- might be downloading stuff from an impostor */
- curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
- curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
- (void)curl_easy_perform(curl); /* ignores error */
- curl_easy_cleanup(curl);
- }
-
- return NULL;
-}
-
-int main(int argc, char **argv)
-{
- CURLcode res;
- pthread_t tid[NUMT];
- int i;
- (void)argc;
- (void)argv;
-
- /* Must initialize libcurl before any threads are started */
- res = curl_global_init(CURL_GLOBAL_ALL);
- if(res)
- return (int)res;
-
- for(i = 0; i < NUMT; i++) {
- int error = pthread_create(&tid[i],
- NULL, /* default attributes please */
- pull_one_url,
- (void *)&i);
- if(error)
- fprintf(stderr, "Could not run thread number %d, errno %d\n", i, error);
- else
- fprintf(stderr, "Thread %d, gets %s\n", i, urls[i]);
- }
-
- /* now wait for all threads to terminate */
- for(i = 0; i < NUMT; i++) {
- pthread_join(tid[i], NULL);
- fprintf(stderr, "Thread %d terminated\n", i);
- }
-
- curl_global_cleanup();
-
- return 0;
-}
* A multi-threaded program using pthreads to fetch several files at once
* </DESC>
*/
+/* A multi-threaded example that uses pthreads and fetches 4 remote files at
+ * once over HTTPS.
+ *
+ * Recent versions of OpenSSL and GnuTLS are thread-safe by design, assuming
+ * support for the underlying OS threading API is built-in. Older revisions
+ * of this example demonstrated locking callbacks for the SSL library, which
+ * are no longer necessary. An older revision with callbacks can be found at
+ * https://github.com/curl/curl/blob/curl-7_88_1/docs/examples/threaded-ssl.c
+ */
/* Requires: HAVE_PTHREAD_H */
+/* Also requires TLS support to run */
#include <stdio.h>
#define NUMT 4
-/*
- List of URLs to fetch.
-
- If you intend to use an SSL-based protocol here you might need to setup TLS
- library mutex callbacks as described here:
-
- https://curl.se/libcurl/c/threadsafe.html
-
-*/
+/* List of URLs to fetch. */
static const char * const urls[NUMT] = {
"https://curl.se/",
"ftp://example.com/",
static void *pull_one_url(void *p)
{
CURL *curl;
- struct targ *targ = p;
curl = curl_easy_init();
if(curl) {
+ struct targ *targ = p;
curl_easy_setopt(curl, CURLOPT_URL, targ->url);
(void)curl_easy_perform(curl); /* ignores error */
curl_easy_cleanup(curl);
/*
int pthread_create(pthread_t *new_thread_ID,
- const pthread_attr_t *attr,
- void * (*start_func)(void *), void *arg);
+ const pthread_attr_t *attr,
+ void * (*start_func)(void *), void *arg);
*/
int main(void)
projects / 0xmirror / curl.git / commitdiff