lib: add safe_pthread_create() & safe_pthread_join()

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/include/tst_safe_pthread.h b/include/tst_safe_pthread.h
new file mode 100644
index 0000000..810ddcb
--- /dev/null
+++ b/include/tst_safe_pthread.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
+ *
+ * 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, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TST_SAFE_PTHREAD_H__
+#define TST_SAFE_PTHREAD_H__
+
+int safe_pthread_create(const char *file, const int lineno,
+			pthread_t *thread_id, const pthread_attr_t *attr,
+			void *(*thread_fn)(void *), void *arg);
+#define SAFE_PTHREAD_CREATE(thread_id, attr, thread_fn, arg) \
+	safe_pthread_create(__FILE__, __LINE__, thread_id, attr, thread_fn, arg)
+
+int safe_pthread_join(const char *file, const int lineno,
+		      pthread_t thread_id, void **retval);
+#define SAFE_PTHREAD_JOIN(thread_id, retval) \
+	safe_pthread_join(__FILE__, __LINE__, thread_id, retval)
+
+#endif /* TST_SAFE_PTHREAD_H__ */