examples: add curl_multi_timeout

Make the multi-interface using examples use curl_multi_timeout to
properly educate users how to do things.

1 files changed, 11 insertions, 0 deletions

diff --git a/docs/examples/multi-double.c b/docs/examples/multi-double.c
index bc5b446ea..8ac939a96 100644
--- a/docs/examples/multi-double.c
+++ b/docs/examples/multi-double.c
@@ -59,6 +59,8 @@ int main(int argc, char **argv)
     fd_set fdexcep;
     int maxfd = -1;
 
+    long curl_timeo = -1;
+
     FD_ZERO(&fdread);
     FD_ZERO(&fdwrite);
     FD_ZERO(&fdexcep);
@@ -67,6 +69,15 @@ int main(int argc, char **argv)
     timeout.tv_sec = 1;
     timeout.tv_usec = 0;
 
+    curl_multi_timeout(multi_handle, &curl_timeo);
+    if(curl_timeo >= 0) {
+      timeout.tv_sec = curl_timeo / 1000;
+      if(timeout.tv_sec > 1)
+        timeout.tv_sec = 1;
+      else
+        timeout.tv_usec = (curl_timeo % 1000) * 1000;
+    }
+
     /* get file descriptors from the transfers */
     curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);