static pthread_mutex_t urcu_defer_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t defer_thread_mutex = PTHREAD_MUTEX_INITIALIZER;
-int defer_thread_futex;
+static int defer_thread_futex;
/*
* Written to only by each individual deferer. Read by both the deferer and
* the reclamation tread.
*/
-struct defer_queue __thread defer_queue;
+static struct defer_queue __thread defer_queue;
/* Thread IDs of registered deferers */
#define INIT_NUM_THREADS 4
*/
static void wake_up_defer(void)
{
- if (unlikely(atomic_read(&defer_thread_futex) == -1))
+ if (unlikely(atomic_read(&defer_thread_futex) == -1)) {
atomic_set(&defer_thread_futex, 0);
- futex(&defer_thread_futex, FUTEX_WAKE,
- 0, NULL, NULL, 0);
+ futex(&defer_thread_futex, FUTEX_WAKE, 0,
+ NULL, NULL, 0);
+ }
}
/*
{
for (;;) {
pthread_testcancel();
- printf("a\n");
/*
* "Be green". Don't wake up the CPU if there is no RCU work
* to perform whatsoever. Aims at saving laptop battery life by
* leaving the processor in sleep state when idle.
*/
- printf("b\n");
wait_defer();
- printf("e\n");
/* Sleeping after wait_defer to let many callbacks enqueue */
- //TEST poll(NULL,0,100); /* wait for 100ms */
- printf("f\n");
+ poll(NULL,0,100); /* wait for 100ms */
rcu_defer_barrier();
- printf("perform deferred call_rcu() from worker thread %lu.\n",
- time(NULL));
}
return NULL;