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authorDaniel Stenberg <daniel@haxx.se>2001-05-04 09:35:43 +0000
committerDaniel Stenberg <daniel@haxx.se>2001-05-04 09:35:43 +0000
commit2ffc20dc7cd91e9057c0c5f478e5b3264a474f10 (patch)
tree3324405b954243539967bb40b992d1b393c3381f
parenta2a446cb2ff4fcb83d064f08788466fb7d269dd7 (diff)
example using multiple threads to get URLs
-rw-r--r--docs/examples/multithread.c70
1 files changed, 70 insertions, 0 deletions
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 <stdio.h>
+#include <pthread.h>
+#include <curl/curl.h>
+
+/* 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;
+}