| /***************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * $Id$ |
| */ |
| |
| /* A multi-threaded example that uses pthreads extensively to fetch |
| * X remote files at once */ |
| |
| #include <stdio.h> |
| #include <pthread.h> |
| #include <curl/curl.h> |
| |
| #define NUMT 4 |
| |
| /* |
| List of URLs to fetch. |
| |
| If you intend to use a SSL-based protocol here you MUST setup the OpenSSL |
| callback functions as described here: |
| |
| http://www.openssl.org/docs/crypto/threads.html#DESCRIPTION |
| |
| */ |
| const char * const urls[NUMT]= { |
| "http://curl.haxx.se/", |
| "ftp://cool.haxx.se/", |
| "http://www.contactor.se/", |
| "www.haxx.se" |
| }; |
| |
| static void *pull_one_url(void *url) |
| { |
| CURL *curl; |
| |
| curl = curl_easy_init(); |
| curl_easy_setopt(curl, CURLOPT_URL, url); |
| curl_easy_perform(curl); /* ignores error */ |
| curl_easy_cleanup(curl); |
| |
| return NULL; |
| } |
| |
| |
| /* |
| int pthread_create(pthread_t *new_thread_ID, |
| const pthread_attr_t *attr, |
| void * (*start_func)(void *), void *arg); |
| */ |
| |
| int main(int argc, char **argv) |
| { |
| pthread_t tid[NUMT]; |
| int i; |
| int error; |
| |
| /* Must initialize libcurl before any threads are started */ |
| curl_global_init(CURL_GLOBAL_ALL); |
| |
| for(i=0; i< NUMT; i++) { |
| error = pthread_create(&tid[i], |
| NULL, /* default attributes please */ |
| pull_one_url, |
| (void *)urls[i]); |
| if(0 != error) |
| fprintf(stderr, "Couldn't 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++) { |
| error = pthread_join(tid[i], NULL); |
| fprintf(stderr, "Thread %d terminated\n", i); |
| } |
| |
| return 0; |
| } |