Tweak test_hashtab_thrash test to allow the critical threads to execute.

Depending on certain conditions it was possible for the hashtab counting thread
to starve other threads, preventing them from executing in the expected fashion.
This change adds a sleep to allow the others to do what they need to do. While
this doesn't thrash the hashtab as much as previously, it at least works.

(closes issue ASTERISK-22276)
Reported by: Matt Jordan
........

Merged revisions 396619 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@396620 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/tests/test_hashtab_thrash.c b/tests/test_hashtab_thrash.c
index 373922bf84976392e3a1d810344df1e7f4de3974..2c135956e0383c6f5ea00c3c83af708d1fad53b0 100644 (file)
--- a/tests/test_hashtab_thrash.c
+++ b/tests/test_hashtab_thrash.c
@@ -198,7 +198,7 @@ static void *hash_test_count(void *d)
 
                if (last_count == count) {
                        /* Allow other threads to run. */
-                       sched_yield();
+                       usleep(1);
                } else if (last_count > count) {
                        /* Make sure the hashtable never shrinks */
                        return "hashtab unexpectedly shrank";