X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Fbenchmark%2Ftest_urcu_gc.c;h=f14f7286f4dcd4e7c20551fcd497e0f3feaab58a;hp=2f35fe982555017088174700d62db0209e42db9a;hb=HEAD;hpb=61c3fb603104bda9e67c0690c1964e61a770d045

diff --git a/tests/benchmark/test_urcu_gc.c b/tests/benchmark/test_urcu_gc.c
index 2f35fe9..d52a51d 100644
--- a/tests/benchmark/test_urcu_gc.c
+++ b/tests/benchmark/test_urcu_gc.c
@@ -1,23 +1,9 @@
+// SPDX-FileCopyrightText: 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
- * test_urcu_gc.c
- *
  * Userspace RCU library - test program (with batch reclamation)
- *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * 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>
@@ -28,11 +14,12 @@
 #include <sys/wait.h>
 #include <unistd.h>
 #include <stdio.h>
-#include <assert.h>
 #include <errno.h>
 
 #include <urcu/arch.h>
+#include <urcu/assert.h>
 #include <urcu/tls-compat.h>
+#include <urcu/uatomic.h>
 #include "thread-id.h"
 #include "../common/debug-yield.h"
 
@@ -48,8 +35,6 @@ struct test_array {
 	int a;
 };
 
-static volatile int test_go, test_stop;
-
 static unsigned long wdelay;
 
 static struct test_array *test_rcu_pointer;
@@ -93,7 +78,7 @@ pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 static void set_affinity(void)
 {
-#if HAVE_SCHED_SETAFFINITY
+#ifdef HAVE_SCHED_SETAFFINITY
 	cpu_set_t mask;
 	int cpu, ret;
 #endif /* HAVE_SCHED_SETAFFINITY */
@@ -101,7 +86,7 @@ static void set_affinity(void)
 	if (!use_affinity)
 		return;
 
-#if HAVE_SCHED_SETAFFINITY
+#ifdef HAVE_SCHED_SETAFFINITY
 	ret = pthread_mutex_lock(&affinity_mutex);
 	if (ret) {
 		perror("Error in pthread mutex lock");
@@ -120,19 +105,6 @@ static void set_affinity(void)
 #endif /* HAVE_SCHED_SETAFFINITY */
 }
 
-/*
- * returns 0 if test should end.
- */
-static int test_duration_write(void)
-{
-	return !test_stop;
-}
-
-static int test_duration_read(void)
-{
-	return !test_stop;
-}
-
 static DEFINE_URCU_TLS(unsigned long long, nr_writes);
 static DEFINE_URCU_TLS(unsigned long long, nr_reads);
 
@@ -157,17 +129,14 @@ void *thr_reader(void *_count)
 
 	rcu_register_thread();
 
-	while (!test_go)
-	{
-	}
-	cmm_smp_mb();
+	wait_until_go();
 
 	for (;;) {
 		rcu_read_lock();
 		local_ptr = rcu_dereference(test_rcu_pointer);
 		rcu_debug_yield_read();
 		if (local_ptr)
-			assert(local_ptr->a == 8);
+			urcu_posix_assert(local_ptr->a == 8);
 		if (caa_unlikely(rduration))
 			loop_sleep(rduration);
 		rcu_read_unlock();
@@ -231,10 +200,7 @@ void *thr_writer(void *data)
 
 	set_affinity();
 
-	while (!test_go)
-	{
-	}
-	cmm_smp_mb();
+	wait_until_go();
 
 	for (;;) {
 #ifndef TEST_LOCAL_GC
@@ -259,7 +225,7 @@ void *thr_writer(void *data)
 }
 
 static
-void show_usage(int argc, char **argv)
+void show_usage(char **argv)
 {
 	printf("Usage : %s nr_readers nr_writers duration (s) <OPTIONS>\n",
 		argv[0]);
@@ -284,25 +250,25 @@ int main(int argc, char **argv)
 	unsigned int i_thr;
 
 	if (argc < 4) {
-		show_usage(argc, argv);
+		show_usage(argv);
 		return -1;
 	}
 
 	err = sscanf(argv[1], "%u", &nr_readers);
 	if (err != 1) {
-		show_usage(argc, argv);
+		show_usage(argv);
 		return -1;
 	}
 
 	err = sscanf(argv[2], "%u", &nr_writers);
 	if (err != 1) {
-		show_usage(argc, argv);
+		show_usage(argv);
 		return -1;
 	}
 
 	err = sscanf(argv[3], "%lu", &duration);
 	if (err != 1) {
-		show_usage(argc, argv);
+		show_usage(argv);
 		return -1;
 	}
 
@@ -318,7 +284,7 @@ int main(int argc, char **argv)
 			break;
 		case 'a':
 			if (argc < i + 2) {
-				show_usage(argc, argv);
+				show_usage(argv);
 				return -1;
 			}
 			a = atoi(argv[++i]);
@@ -328,28 +294,28 @@ int main(int argc, char **argv)
 			break;
 		case 'b':
 			if (argc < i + 2) {
-				show_usage(argc, argv);
+				show_usage(argv);
 				return -1;
 			}
 			reclaim_batch = atol(argv[++i]);
 			break;
 		case 'c':
 			if (argc < i + 2) {
-				show_usage(argc, argv);
+				show_usage(argv);
 				return -1;
 			}
 			rduration = atol(argv[++i]);
 			break;
 		case 'd':
 			if (argc < i + 2) {
-				show_usage(argc, argv);
+				show_usage(argv);
 				return -1;
 			}
 			wdelay = atol(argv[++i]);
 			break;
 		case 'e':
 			if (argc < i + 2) {
-				show_usage(argc, argv);
+				show_usage(argv);
 				return -1;
 			}
 			wduration = atol(argv[++i]);
@@ -399,13 +365,7 @@ int main(int argc, char **argv)
 			exit(1);
 	}
 
-	cmm_smp_mb();
-
-	test_go = 1;
-
-	sleep(duration);
-
-	test_stop = 1;
+	test_for(duration);
 
 	for (i_thr = 0; i_thr < nr_readers; i_thr++) {
 		err = pthread_join(tid_reader[i_thr], &tret);