tests/urcu-asm.c

   1 /*
   2  * urcu-asm.c
   3  *
   4  * Userspace RCU library - assembly dump of primitives
   5  *
   6  * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #include <urcu.h>
  24
  25 void show_read_lock(void)
  26 {
  27         asm volatile ("/* start */");
  28         rcu_read_lock();
  29         asm volatile ("/* end */");
  30 }
  31
  32 void show_read_unlock(void)
  33 {
  34         asm volatile ("/* start */");
  35         rcu_read_unlock();
  36         asm volatile ("/* end */");
  37 }