diff --git a/docs/examples/multithread.c b/docs/examples/multithread.c new file mode 100644 index 000000000..c3936ef4a --- /dev/null +++ b/docs/examples/multithread.c @@ -0,0 +1,70 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * $Id$ + */ + +/* A multi-threaded example that uses pthreads extensively to fetch + * X remote files at once */ + +#include +#include +#include + +/* silly list of test-URLs */ +char *urls[]= { + "http://curl.haxx.se/", + "ftp://cool.haxx.se/", + "http://www.contactor.se/", + "www.haxx.se" +}; + +void *pull_one_url(void *url) +{ + CURL *curl; + + curl = curl_easy_init(); + + curl_easy_setopt(curl, CURLOPT_URL, url); + curl_easy_perform(curl); + + 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[4]; + int i; + int error; + for(i=0; i< 4; i++) { + error = pthread_create(&tid[i], + NULL, /* default attributes please */ + pull_one_url, + 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< 4; i++) { + error = pthread_join(tid[i], NULL); + fprintf(stderr, "Thread %d terminated\n", i); + } + + return 0; +}