From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Wed, 10 Jun 2009 16:06:42 +0000 (-0400)
Subject: Make sure the rwlock and per thread lock could detect races
X-Git-Tag: v0.1~174
X-Git-Url: https://git.lttng.org/?p=urcu.git;a=commitdiff_plain;h=2b4e41252ca7ad279d2aa91f2a011b36aa56b224;hp=76f3022fdb3eaa23decfa5a61be4b351eb1a0114

Make sure the rwlock and per thread lock could detect races

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/test_perthreadlock.c b/test_perthreadlock.c
index 078e659..7b6a65c 100644
--- a/test_perthreadlock.c
+++ b/test_perthreadlock.c
@@ -69,7 +69,7 @@ static volatile int test_go, test_stop;
 
 static int wdelay;
 
-static struct test_array test_array = { 8 };
+static volatile struct test_array test_array = { 8 };
 
 static unsigned long duration;
 
@@ -162,6 +162,7 @@ void *thr_writer(void *data)
 		for (tidx = 0; tidx < nr_readers; tidx++) {
 			pthread_mutex_lock(&per_thread_lock[tidx].lock);
 		}
+		test_array.a = 0;
 		test_array.a = 8;
 		for (tidx = nr_readers - 1; tidx >= 0; tidx--) {
 			pthread_mutex_unlock(&per_thread_lock[tidx].lock);
diff --git a/test_rwlock.c b/test_rwlock.c
index 76156cb..ef3ce2c 100644
--- a/test_rwlock.c
+++ b/test_rwlock.c
@@ -65,7 +65,7 @@ static volatile int test_go, test_stop;
 
 static int wdelay;
 
-static struct test_array test_array = { 8 };
+static volatile struct test_array test_array = { 8 };
 
 static unsigned long duration;
 
@@ -152,6 +152,7 @@ void *thr_writer(void *_count)
 
 	for (;;) {
 		pthread_rwlock_wrlock(&lock);
+		test_array.a = 0;
 		test_array.a = 8;
 		pthread_rwlock_unlock(&lock);
 		nr_writes++;