curl tests: updated select() error handling, file doxy

Tests reports now about unexpected errors from select() and
source code line number to simplify problematic position
locating.
Used much smaller timeout on W32 if system is doing some
sockets data processing in other threads.

1 files changed, 17 insertions, 7 deletions

diff --git a/src/testcurl/test_process_headers.c b/src/testcurl/test_process_headers.c
index b0826b3d..e7e8897e 100644
--- a/src/testcurl/test_process_headers.c
+++ b/src/testcurl/test_process_headers.c
@@ -1,6 +1,7 @@
 /*
      This file is part of libmicrohttpd
      Copyright (C) 2007 Christian Grothoff
+     Copyright (C) 2014-2021 Evgeny Grin (Karlson2k)
 
      libmicrohttpd is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -22,6 +23,7 @@
  * @file test_process_headers.c
  * @brief  Testcase for HTTP header access
  * @author Christian Grothoff
+ * @author Karlson2k (Evgeny Grin)
  */
 
 #include "MHD_config.h"
@@ -483,14 +485,22 @@ testExternalGet ()
     {
 #ifdef MHD_POSIX_SOCKETS
       if (EINTR != errno)
-        abort ();
+      {
+        fprintf (stderr, "Unexpected select() error: %d. Line: %d\n",
+                 (int) errno, __LINE__);
+        fflush (stderr);
+        exit (99);
+      }
 #else
-      if ((WSAEINVAL != WSAGetLastError ()) || (0 != rs.fd_count) || (0 !=
-                                                                      ws.
-                                                                      fd_count)
-          || (0 != es.fd_count) )
-        abort ();
-      Sleep (1000);
+      if ((WSAEINVAL != WSAGetLastError ()) ||
+          (0 != rs.fd_count) || (0 != ws.fd_count) || (0 != es.fd_count) )
+      {
+        fprintf (stderr, "Unexpected select() error: %d. Line: %d\n",
+                 (int) WSAGetLastError (), __LINE__);
+        fflush (stderr);
+        exit (99);
+      }
+      Sleep (1);
 #endif
     }
     curl_multi_perform (multi, &running);