Revert "Update to 7.40.1"

[platform/upstream/curl.git] / docs / examples / multi-double.c

diff --git a/docs/examples/multi-double.c b/docs/examples/multi-double.c
index 0d8d0de..91422e6 100644 (file)
--- a/docs/examples/multi-double.c
+++ b/docs/examples/multi-double.c
@@ -62,7 +62,6 @@ int main(void)
   do {
     struct timeval timeout;
     int rc; /* select() return code */
-    CURLMcode mc; /* curl_multi_fdset() return code */
 
     fd_set fdread;
     fd_set fdwrite;
@@ -89,35 +88,15 @@ int main(void)
     }
 
     /* get file descriptors from the transfers */
-    mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
+    curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
 
-    if(mc != CURLM_OK)
-    {
-      fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc);
-      break;
-    }
+    /* In a real-world program you OF COURSE check the return code of the
+       function calls.  On success, the value of maxfd is guaranteed to be
+       greater or equal than -1.  We call select(maxfd + 1, ...), specially in
+       case of (maxfd == -1), we call select(0, ...), which is basically equal
+       to sleep. */
 
-    /* On success the value of maxfd is guaranteed to be >= -1. We call
-       select(maxfd + 1, ...); specially in case of (maxfd == -1) there are
-       no fds ready yet so we call select(0, ...) --or Sleep() on Windows--
-       to sleep 100ms, which is the minimum suggested value in the
-       curl_multi_fdset() doc. */
-
-    if(maxfd == -1) {
-#ifdef _WIN32
-      Sleep(100);
-      rc = 0;
-#else
-      /* Portable sleep for platforms other than Windows. */
-      struct timeval wait = { 0, 100 * 1000 }; /* 100ms */
-      rc = select(0, NULL, NULL, NULL, &wait);
-#endif
-    }
-    else {
-      /* Note that on some platforms 'timeout' may be modified by select().
-         If you need access to the original value save a copy beforehand. */
-      rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
-    }
+    rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
 
     switch(rc) {
     case -1: