X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_assign.c;h=68e84bd1f48273f365c9be49a1b35f0ba517a6d9;hp=87abea2221fa53049431ba541d5e327a57e6621f;hb=c961f4f335c90032890f49ae790d0c4b560fd834;hpb=a50a7b4333a5039f1471c0b7cfbfb3d6dc5379fb

diff --git a/tests/test_urcu_assign.c b/tests/test_urcu_assign.c
index 87abea2..68e84bd 100644
--- a/tests/test_urcu_assign.c
+++ b/tests/test_urcu_assign.c
@@ -3,7 +3,7 @@
  *
  * Userspace RCU library - test program
  *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * 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
@@ -31,11 +31,15 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <assert.h>
-#include <sys/syscall.h>
 #include <sched.h>
 #include <errno.h>
 
 #include <urcu/arch.h>
+#include <urcu/tls-compat.h>
+
+#ifdef __linux__
+#include <syscall.h>
+#endif
 
 /* hardcoded number of CPUs */
 #define NR_CPUS 16384
@@ -80,10 +84,10 @@ static unsigned long rduration;
 /* write-side C.S. duration, in loops */
 static unsigned long wduration;
 
-static inline void loop_sleep(unsigned long l)
+static inline void loop_sleep(unsigned long loops)
 {
-	while(l-- != 0)
-		cpu_relax();
+	while (loops-- != 0)
+		caa_cpu_relax();
 }
 
 static int verbose_mode;
@@ -108,9 +112,10 @@ typedef unsigned long cpu_set_t;
 
 static void set_affinity(void)
 {
+#if HAVE_SCHED_SETAFFINITY
 	cpu_set_t mask;
-	int cpu;
-	int ret;
+	int cpu, ret;
+#endif /* HAVE_SCHED_SETAFFINITY */
 
 	if (!use_affinity)
 		return;
@@ -151,8 +156,8 @@ static int test_duration_read(void)
 	return !test_stop;
 }
 
-static unsigned long long __thread nr_writes;
-static unsigned long long __thread nr_reads;
+static DEFINE_URCU_TLS(unsigned long long, nr_writes);
+static DEFINE_URCU_TLS(unsigned long long, nr_reads);
 
 static unsigned int nr_readers;
 static unsigned int nr_writers;
@@ -183,7 +188,8 @@ void rcu_copy_mutex_unlock(void)
 /*
  * malloc/free are reusing memory areas too quickly, which does not let us
  * test races appropriately. Use a large circular array for allocations.
- * ARRAY_SIZE is larger than nr_writers, which insures we never run over our tail.
+ * ARRAY_SIZE is larger than nr_writers, and we keep the mutex across
+ * both alloc and free, which insures we never run over our tail.
  */
 #define ARRAY_SIZE (1048576 * nr_writers)
 #define ARRAY_POISON 0xDEADBEEF
@@ -195,7 +201,6 @@ static struct test_array *test_array_alloc(void)
 	struct test_array *ret;
 	int index;
 
-	rcu_copy_mutex_lock();
 	index = array_index % ARRAY_SIZE;
 	assert(test_array[index].a == ARRAY_POISON ||
 		test_array[index].a == 0);
@@ -203,7 +208,6 @@ static struct test_array *test_array_alloc(void)
 	array_index++;
 	if (array_index == ARRAY_SIZE)
 		array_index = 0;
-	rcu_copy_mutex_unlock();
 	return ret;
 }
 
@@ -211,9 +215,7 @@ static void test_array_free(struct test_array *ptr)
 {
 	if (!ptr)
 		return;
-	rcu_copy_mutex_lock();
 	ptr->a = ARRAY_POISON;
-	rcu_copy_mutex_unlock();
 }
 
 void *thr_reader(void *_count)
@@ -231,7 +233,7 @@ void *thr_reader(void *_count)
 	while (!test_go)
 	{
 	}
-	smp_mb();
+	cmm_smp_mb();
 
 	for (;;) {
 		rcu_read_lock();
@@ -239,17 +241,17 @@ void *thr_reader(void *_count)
 		debug_yield_read();
 		if (local_ptr)
 			assert(local_ptr->a == 8);
-		if (unlikely(rduration))
+		if (caa_unlikely(rduration))
 			loop_sleep(rduration);
 		rcu_read_unlock();
-		nr_reads++;
-		if (unlikely(!test_duration_read()))
+		URCU_TLS(nr_reads)++;
+		if (caa_unlikely(!test_duration_read()))
 			break;
 	}
 
 	rcu_unregister_thread();
 
-	*count = nr_reads;
+	*count = URCU_TLS(nr_reads);
 	printf_verbose("thread_end %s, thread id : %lx, tid %lu\n",
 			"reader", pthread_self(), (unsigned long)gettid());
 	return ((void*)1);
@@ -269,31 +271,31 @@ void *thr_writer(void *_count)
 	while (!test_go)
 	{
 	}
-	smp_mb();
+	cmm_smp_mb();
 
 	for (;;) {
+		rcu_copy_mutex_lock();
 		new = test_array_alloc();
 		new->a = 8;
-		rcu_copy_mutex_lock();
 		old = test_rcu_pointer;
 		rcu_assign_pointer(test_rcu_pointer, new);
-		if (unlikely(wduration))
+		if (caa_unlikely(wduration))
 			loop_sleep(wduration);
-		rcu_copy_mutex_unlock();
 		synchronize_rcu();
 		if (old)
 			old->a = 0;
 		test_array_free(old);
-		nr_writes++;
-		if (unlikely(!test_duration_write()))
+		rcu_copy_mutex_unlock();
+		URCU_TLS(nr_writes)++;
+		if (caa_unlikely(!test_duration_write()))
 			break;
-		if (unlikely(wdelay))
+		if (caa_unlikely(wdelay))
 			loop_sleep(wdelay);
 	}
 
 	printf_verbose("thread_end %s, thread id : %lx, tid %lu\n",
 			"writer", pthread_self(), (unsigned long)gettid());
-	*count = nr_writes;
+	*count = URCU_TLS(nr_writes);
 	return ((void*)2);
 }
 
@@ -399,7 +401,7 @@ int main(int argc, char **argv)
 	printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
 			"main", pthread_self(), (unsigned long)gettid());
 
-	test_array = malloc(sizeof(*test_array) * ARRAY_SIZE);
+	test_array = calloc(1, sizeof(*test_array) * ARRAY_SIZE);
 	tid_reader = malloc(sizeof(*tid_reader) * nr_readers);
 	tid_writer = malloc(sizeof(*tid_writer) * nr_writers);
 	count_reader = malloc(sizeof(*count_reader) * nr_readers);
@@ -420,7 +422,7 @@ int main(int argc, char **argv)
 			exit(1);
 	}
 
-	smp_mb();
+	cmm_smp_mb();
 
 	test_go = 1;