Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/unittest/mysys/thr_template.c b/unittest/mysys/thr_template.c
new file mode 100644
index 00000000..42e035d9
--- /dev/null
+++ b/unittest/mysys/thr_template.c
@@ -0,0 +1,73 @@
+/* Copyright (c) 2006-2008 MySQL AB, 2009 Sun Microsystems, Inc.
+   Use is subject to license terms.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+#include <my_global.h>
+#include <my_sys.h>
+#include <tap.h>
+
+volatile uint32 bad;
+pthread_mutex_t mutex;
+
+void do_tests();
+
+void test_concurrently(const char *test, pthread_handler handler, int n, int m)
+{
+  pthread_t *threads= malloc(n * sizeof(pthread_t));
+  int i;
+  ulonglong now= my_interval_timer();
+
+  assert(threads);
+  bad= 0;
+
+  diag("Testing %s with %d threads, %d iterations... ", test, n, m);
+  for (i= 0; i < n; i++)
+  {
+    if (pthread_create(&threads[i], 0, handler, &m) != 0)
+    {
+      diag("Could not create thread");
+      abort();
+    }
+  }
+
+  for (i= 0; i < n; i++)
+    pthread_join(threads[i], 0);
+
+  now= my_interval_timer() - now;
+  free(threads);
+  ok(!bad, "tested %s in %g secs (%d)", test, ((double)now)/1e9, bad);
+}
+
+int main(int argc __attribute__((unused)), char **argv)
+{
+  MY_INIT(argv[0]);
+
+  if (argv[1] && *argv[1])
+    DBUG_SET_INITIAL(argv[1]);
+
+  pthread_mutex_init(&mutex, 0);
+
+#define CYCLES 3000
+#define THREADS 30
+
+  diag("N CPUs: %d", my_getncpus());
+
+  do_tests();
+
+  pthread_mutex_destroy(&mutex);
+  my_end(0);
+  return exit_status();
+}
+