X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=tests%2Ftest-timeval.c;h=9896cf7372ff880b8af487c3819e47ee69c36c7b;hb=ea7655d9f9d38a3af7250de8ba0b89115b5f4a5e;hp=533f81aed3ff87e7e236628cb237d9ff800df591;hpb=a0bc29a541fc7dc6e20137d5558e2094d614e6ab;p=sliver-openvswitch.git

diff --git a/tests/test-timeval.c b/tests/test-timeval.c
index 533f81aed..9896cf737 100644
--- a/tests/test-timeval.c
+++ b/tests/test-timeval.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,7 +37,7 @@ gettimeofday_in_msec(void)
 {
     struct timeval tv;
 
-    assert(!gettimeofday(&tv, NULL));
+    xgettimeofday(&tv);
     return timeval_to_msec(&tv);
 }
 
@@ -48,10 +48,11 @@ do_test(void)
      * setitimer()).  Then ensure that, if time has really advanced by
      * TIME_UPDATE_INTERVAL, then time_msec() reports that it advanced.
      */
-    long long int start_time_msec;
+    long long int start_time_msec, start_time_wall;
     long long int start_gtod;
 
     start_time_msec = time_msec();
+    start_time_wall = time_wall_msec();
     start_gtod = gettimeofday_in_msec();
     for (;;) {
         /* Wait up to 1 second.  Using select() to do the timeout avoids
@@ -69,7 +70,12 @@ do_test(void)
         }
 
         if (gettimeofday_in_msec() - start_gtod >= TIME_UPDATE_INTERVAL) {
-            assert(time_msec() - start_time_msec >= TIME_UPDATE_INTERVAL);
+            /* gettimeofday() and time_msec() have different granularities in
+             * their time sources.  Depending on the rounding used this could
+             * result in a slight difference, so we allow for 1 ms of slop. */
+            assert(time_msec() - start_time_msec >= TIME_UPDATE_INTERVAL - 1);
+            assert(time_wall_msec() - start_time_wall >=
+                                                      TIME_UPDATE_INTERVAL - 1);
             break;
         }
     }
@@ -87,11 +93,16 @@ main(int argc, char *argv[])
 {
     proctitle_init(argc, argv);
     set_program_name(argv[0]);
-    time_init();
 
     if (argc != 2) {
         usage();
     } else if (!strcmp(argv[1], "plain")) {
+        /* If we're not caching time there isn't much to test and SIGALRM won't
+         * be around to pull us out of the select() call, so just skip out */
+        if (!CACHE_TIME) {
+            exit (77);
+        }
+
         do_test();
     } else if (!strcmp(argv[1], "daemon")) {
         /* Test that time still advances even in a daemon.  This is an
@@ -99,6 +110,10 @@ main(int argc, char *argv[])
         char cwd[1024], *pidfile;
         FILE *success;
 
+        if (!CACHE_TIME) {
+            exit (77);
+        }
+
         assert(getcwd(cwd, sizeof cwd) == cwd);
 
         unlink("test-timeval.success");