--- /dev/null
+/* -*- mode:C; c-file-style: "bsd" -*- */
+/*
+ * Copyright (c) 2011-2012 Yubico AB
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <assert.h>
+
+#include <ykpers.h>
+
+void *start_thread(void *arg)
+{
+ yk_init();
+ YK_STATUS *st = ykds_alloc();
+ YK_KEY *yk = 0;
+ yk_errno = 0;
+ ykp_errno = 0;
+
+ yk = yk_open_first_key();
+ if(yk != 0) {
+ yk_get_status(yk, st);
+ yk_close_key(yk);
+ }
+
+ ykds_free(st);
+ yk_release();
+}
+
+void _test_threaded_calls()
+{
+ int times = 5;
+ int i;
+ pthread_t *threads = malloc(sizeof(pthread_t) * times);
+
+ for(i = 0; i < times; i++) {
+ pthread_create(&threads[i], NULL, start_thread, NULL);
+ pthread_join(threads[i], NULL);
+ }
+
+ free(threads);
+}
+
+int main(void)
+{
+ _test_threaded_calls();
+
+ return 0;
+}
+