Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/examples/multithread.c @ 28:dcabf2733f0f

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Allow PEP 440 local version version specifiers in a PyMuPDF version
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 19:58:43 +0200
parents b50eed0cc0ef
children
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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22 /* <DESC>
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23 * A multi-threaded example that uses pthreads to fetch several files at once
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24 * </DESC>
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25 */
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27 #include <stdio.h>
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28 #include <pthread.h>
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29 #include <curl/curl.h>
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31 #define NUMT 4
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33 /*
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34 List of URLs to fetch.
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35
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36 If you intend to use a SSL-based protocol here you might need to setup TLS
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37 library mutex callbacks as described here:
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39 https://curl.haxx.se/libcurl/c/threadsafe.html
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41 */
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42 const char * const urls[NUMT]= {
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43 "https://curl.haxx.se/",
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44 "ftp://cool.haxx.se/",
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45 "https://www.cag.se/",
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46 "www.haxx.se"
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47 };
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49 static void *pull_one_url(void *url)
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50 {
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51 CURL *curl;
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52
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53 curl = curl_easy_init();
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54 curl_easy_setopt(curl, CURLOPT_URL, url);
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55 curl_easy_perform(curl); /* ignores error */
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56 curl_easy_cleanup(curl);
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57
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58 return NULL;
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59 }
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61
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62 /*
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63 int pthread_create(pthread_t *new_thread_ID,
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64 const pthread_attr_t *attr,
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65 void * (*start_func)(void *), void *arg);
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66 */
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67
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68 int main(int argc, char **argv)
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69 {
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70 pthread_t tid[NUMT];
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71 int i;
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72
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73 /* Must initialize libcurl before any threads are started */
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74 curl_global_init(CURL_GLOBAL_ALL);
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75
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76 for(i = 0; i< NUMT; i++) {
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77 int error = pthread_create(&tid[i],
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78 NULL, /* default attributes please */
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79 pull_one_url,
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80 (void *)urls[i]);
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81 if(0 != error)
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82 fprintf(stderr, "Couldn't run thread number %d, errno %d\n", i, error);
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83 else
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84 fprintf(stderr, "Thread %d, gets %s\n", i, urls[i]);
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85 }
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86
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87 /* now wait for all threads to terminate */
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88 for(i = 0; i< NUMT; i++) {
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89 pthread_join(tid[i], NULL);
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90 fprintf(stderr, "Thread %d terminated\n", i);
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91 }
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93 return 0;
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94 }