static enum test_sync test_sync;
+static int test_force_sync;
+
static volatile int test_go, test_stop;
static unsigned long rduration;
unsigned long long *count = _count;
printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
- "enqueuer", pthread_self(), (unsigned long)gettid());
+ "enqueuer", (unsigned long) pthread_self(),
+ (unsigned long) gettid());
set_affinity();
count[1] = URCU_TLS(nr_successful_enqueues);
printf_verbose("enqueuer thread_end, thread id : %lx, tid %lu, "
"enqueues %llu successful_enqueues %llu\n",
- pthread_self(), (unsigned long)gettid(),
+ pthread_self(),
+ (unsigned long) gettid(),
URCU_TLS(nr_enqueues), URCU_TLS(nr_successful_enqueues));
return ((void*)1);
unsigned int counter;
printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
- "dequeuer", pthread_self(), (unsigned long)gettid());
+ "dequeuer", (unsigned long) pthread_self(),
+ (unsigned long) gettid());
set_affinity();
printf_verbose("dequeuer thread_end, thread id : %lx, tid %lu, "
"dequeues %llu, successful_dequeues %llu\n",
- pthread_self(), (unsigned long)gettid(),
+ pthread_self(),
+ (unsigned long) gettid(),
URCU_TLS(nr_dequeues), URCU_TLS(nr_successful_dequeues));
count[0] = URCU_TLS(nr_dequeues);
count[1] = URCU_TLS(nr_successful_dequeues);
printf(" [-P] (test pop_all, enabled by default)");
printf(" [-M] (use mutex external synchronization)");
printf(" Note: default: no external synchronization used.");
+ printf(" [-f] (force user-provided synchronization)");
printf("\n");
}
case 'M':
test_sync = TEST_SYNC_MUTEX;
break;
+ case 'f':
+ test_force_sync = 1;
+ break;
}
}
if (!test_pop && !test_pop_all)
test_pop_all = 1;
+ if (test_sync == TEST_SYNC_NONE && nr_dequeuers > 1 && test_pop) {
+ if (test_force_sync) {
+ fprintf(stderr, "[WARNING] Using pop concurrently "
+ "with other pop or pop_all without external "
+ "synchronization. Expect run-time failure.\n");
+ } else {
+ printf("Enforcing mutex synchronization\n");
+ test_sync = TEST_SYNC_MUTEX;
+ }
+ }
+
printf_verbose("running test for %lu seconds, %u enqueuers, "
"%u dequeuers.\n",
duration, nr_enqueuers, nr_dequeuers);
printf_verbose("Writer delay : %lu loops.\n", rduration);
printf_verbose("Reader duration : %lu loops.\n", wdelay);
printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
- "main", pthread_self(), (unsigned long)gettid());
+ "main", (unsigned long) pthread_self(),
+ (unsigned long) gettid());
tid_enqueuer = malloc(sizeof(*tid_enqueuer) * nr_enqueuers);
tid_dequeuer = malloc(sizeof(*tid_dequeuer) * nr_dequeuers);