X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=test_qsbr_gc.c;h=3a66a845f3636071d9cad298ef1c1f351982bbb6;hp=0b2d5df8ddd8dd13cc36c1b40998f78e2a646322;hb=9fb223da744aff7501107d09d7502c2baadc421f;hpb=2a7ac59da1436b86d7cb59fb8b5712c7d98c1519 diff --git a/test_qsbr_gc.c b/test_qsbr_gc.c index 0b2d5df..3a66a84 100644 --- a/test_qsbr_gc.c +++ b/test_qsbr_gc.c @@ -101,22 +101,33 @@ static unsigned int cpu_affinities[NR_CPUS]; static unsigned int next_aff = 0; static int use_affinity = 0; +pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER; + static void set_affinity(void) { cpu_set_t mask; int cpu; + int ret; if (!use_affinity) return; + ret = pthread_mutex_lock(&affinity_mutex); + if (ret) { + perror("Error in pthread mutex lock"); + exit(-1); + } cpu = cpu_affinities[next_aff++]; + ret = pthread_mutex_unlock(&affinity_mutex); + if (ret) { + perror("Error in pthread mutex unlock"); + exit(-1); + } CPU_ZERO(&mask); CPU_SET(cpu, &mask); sched_setaffinity(0, sizeof(mask), &mask); } - - /* * returns 0 if test should end. */ @@ -239,7 +250,11 @@ static void rcu_gc_reclaim(unsigned long wtidx, void *old) void *thr_writer(void *data) { unsigned long wtidx = (unsigned long)data; +#ifdef TEST_LOCAL_GC + struct test_array *old = NULL; +#else struct test_array *new, *old; +#endif printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "writer", pthread_self(), (unsigned long)gettid()); @@ -252,14 +267,11 @@ void *thr_writer(void *data) smp_mb(); for (;;) { +#ifndef TEST_LOCAL_GC new = malloc(sizeof(*new)); - rcu_copy_mutex_lock(); - old = test_rcu_pointer; - if (old) - assert(old->a == 8); new->a = 8; old = _rcu_xchg_pointer(&test_rcu_pointer, new); - rcu_copy_mutex_unlock(); +#endif rcu_gc_reclaim(wtidx, old); nr_writes++; if (unlikely(!test_duration_write()))