#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
/* 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)
+ while (loops-- != 0)
caa_cpu_relax();
}
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;
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;
/*
* 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
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);
array_index++;
if (array_index == ARRAY_SIZE)
array_index = 0;
- rcu_copy_mutex_unlock();
return ret;
}
{
if (!ptr)
return;
- rcu_copy_mutex_lock();
ptr->a = ARRAY_POISON;
- rcu_copy_mutex_unlock();
}
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);
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);
}