Home | History | Annotate | Download | only in include
      1 /*
      2  * Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
      3  *
      4  * This program is free software: you can redistribute it and/or modify
      5  * it under the terms of the GNU General Public License as published by
      6  * the Free Software Foundation, either version 2 of the License, or
      7  * (at your option) any later version.
      8  *
      9  * This program is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     12  * GNU General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU General Public License
     15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
     16  */
     17 
     18 #ifndef TST_SAFE_PTHREAD_H__
     19 #define TST_SAFE_PTHREAD_H__
     20 
     21 /*
     22  * Macro to use for making functions called only once in
     23  * multi-threaded tests such as init or cleanup function.
     24  * The first call to @name_fn function by any thread shall
     25  * call the @exec_fn. Subsequent calls shall not call @exec_fn.
     26  * *_fn functions must not take any arguments.
     27  */
     28 #define TST_DECLARE_ONCE_FN(name_fn, exec_fn)				\
     29 	void name_fn(void)						\
     30 	{								\
     31 		static pthread_once_t ltp_once = PTHREAD_ONCE_INIT;	\
     32 		pthread_once(&ltp_once, exec_fn);			\
     33 	}
     34 
     35 int safe_pthread_create(const char *file, const int lineno,
     36 			pthread_t *thread_id, const pthread_attr_t *attr,
     37 			void *(*thread_fn)(void *), void *arg);
     38 #define SAFE_PTHREAD_CREATE(thread_id, attr, thread_fn, arg) \
     39 	safe_pthread_create(__FILE__, __LINE__, thread_id, attr, thread_fn, arg)
     40 
     41 int safe_pthread_join(const char *file, const int lineno,
     42 		      pthread_t thread_id, void **retval);
     43 #define SAFE_PTHREAD_JOIN(thread_id, retval) \
     44 	safe_pthread_join(__FILE__, __LINE__, thread_id, retval)
     45 
     46 #endif /* TST_SAFE_PTHREAD_H__ */
     47