Correctly compute number of signalled descriptors in the select(2)-based

implementation of apr_poll() when one or more descriptors has multiple
events (e.g., is both readable and writable).


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@349070 13f79535-47bb-0310-9956-ffa450edef68

poll/unix/select.c

@@ -131,6 +131,7 @@ APR_DECLARE(apr_status_t) apr_poll(apr_pollfd_t *aprset, int num,
         return apr_get_netos_error();
     }
 
+    (*nsds) = 0;
     for (i = 0; i < num; i++) {
         apr_os_sock_t fd;
 
@@ -156,6 +157,9 @@ APR_DECLARE(apr_status_t) apr_poll(apr_pollfd_t *aprset, int num,
         if (FD_ISSET(fd, &exceptset)) {
             aprset[i].rtnevents |= APR_POLLERR;
         }
+        if (aprset[i].rtnevents) {
+            (*nsds)++;
+        }
     }
 
     return APR_SUCCESS;