LGPL relicensing part 2

[urcu.git] / test_urcu_timing.c

diff --git a/test_urcu_timing.c b/test_urcu_timing.c
index 6161192d0b75ea8a881edb25c065a9f0f5afba86..cf70709c9fe7e58beaab0f2e3920391d06f43d02 100644 (file)
--- a/test_urcu_timing.c
+++ b/test_urcu_timing.c
@@ -5,7 +5,19 @@
  *
  * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
  *
- * Distributed under GPLv2
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #include <stdio.h>
@@ -18,6 +30,7 @@
 #include <stdio.h>
 #include <assert.h>
 #include <sys/syscall.h>
+#include <arch.h>
 
 #if defined(_syscall0)
 _syscall0(pid_t, gettid)
@@ -34,23 +47,31 @@ static inline pid_t gettid(void)
 }
 #endif
 
-#define rdtscll(val) do { \
-     unsigned int __a,__d; \
-     asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
-     (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
-} while(0)
+#define _LGPL_SOURCE
+#include "urcu.h"
 
-typedef unsigned long long cycles_t;
+pthread_mutex_t rcu_copy_mutex = PTHREAD_MUTEX_INITIALIZER;
 
-static inline cycles_t get_cycles (void)
+void rcu_copy_mutex_lock(void)
 {
-        unsigned long long ret = 0;
-
-        rdtscll(ret);
-        return ret;
+       int ret;
+       ret = pthread_mutex_lock(&rcu_copy_mutex);
+       if (ret) {
+               perror("Error in pthread mutex lock");
+               exit(-1);
+       }
 }
 
-#include "urcu.h"
+void rcu_copy_mutex_unlock(void)
+{
+       int ret;
+
+       ret = pthread_mutex_unlock(&rcu_copy_mutex);
+       if (ret) {
+               perror("Error in pthread mutex unlock");
+               exit(-1);
+       }
+}
 
 struct test_array {
        int a;
@@ -71,7 +92,7 @@ static cycles_t reader_time[NR_READ] __attribute__((aligned(128)));
 
 void *thr_reader(void *arg)
 {
-       int qparity, i, j;
+       int i, j;
        struct test_array *local_ptr;
        cycles_t time1, time2;
 
@@ -79,22 +100,22 @@ void *thr_reader(void *arg)
                        "reader", pthread_self(), (unsigned long)gettid());
        sleep(2);
 
-       urcu_register_thread();
+       rcu_register_thread();
 
        time1 = get_cycles();
        for (i = 0; i < OUTER_READ_LOOP; i++) {
                for (j = 0; j < INNER_READ_LOOP; j++) {
-                       qparity = rcu_read_lock();
+                       rcu_read_lock();
                        local_ptr = rcu_dereference(test_rcu_pointer);
                        if (local_ptr) {
                                assert(local_ptr->a == 8);
                        }
-                       rcu_read_unlock(qparity);
+                       rcu_read_unlock();
                }
        }
        time2 = get_cycles();
 
-       urcu_unregister_thread();
+       rcu_unregister_thread();
 
        reader_time[(unsigned long)arg] = time2 - time1;
 
@@ -116,14 +137,14 @@ void *thr_writer(void *arg)
 
        for (i = 0; i < WRITE_LOOP; i++) {
                new = malloc(sizeof(struct test_array));
-               rcu_write_lock();
+               rcu_copy_mutex_lock();
                old = test_rcu_pointer;
                if (old) {
                        assert(old->a == 8);
                }
                new->a = 8;
-               old = urcu_publish_content((void **)&test_rcu_pointer, new);
-               rcu_write_unlock();
+               old = rcu_publish_content(&test_rcu_pointer, new);
+               rcu_copy_mutex_unlock();
                /* can be done after unlock */
                if (old) {
                        old->a = 0;