Add Music Manager's curl 7.21.2 source.

Change-Id: I259a43fa52d581524a5ce8ae1711467acb1d9d50

1 files changed, 81 insertions, 0 deletions

diff --git a/docs/examples/multithread.c b/docs/examples/multithread.c
new file mode 100644
index 0000000..5f59a99
--- /dev/null
+++ b/docs/examples/multithread.c
@@ -0,0 +1,81 @@
+/*****************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ */
+
+/* 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;
+}