X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-bp.c;h=db2aef0c57b8ef397095cd71d6c12ded119bb9ec;hp=33352c2913d876b6d8ab5d556c2bfff5554807a9;hb=f9edede0c2229e5d92d0480d358eb2d14f2a8229;hpb=5481ddb381061bda64aebc039900d21cac6a6caf diff --git a/urcu-bp.c b/urcu-bp.c index 33352c2..db2aef0 100644 --- a/urcu-bp.c +++ b/urcu-bp.c @@ -66,7 +66,7 @@ long rcu_gp_ctr = RCU_GP_COUNT; */ struct rcu_reader __thread *rcu_reader; -static LIST_HEAD(registry); +static CDS_LIST_HEAD(registry); struct registry_arena { void *p; @@ -95,11 +95,6 @@ static void mutex_lock(pthread_mutex_t *mutex) perror("Error in pthread mutex lock"); exit(-1); } - if (rcu_reader.need_mb) { - cmm_smp_mb(); - rcu_reader.need_mb = 0; - cmm_smp_mb(); - } poll(NULL,0,10); } #endif /* #else #ifndef DISTRUST_SIGNALS_EXTREME */ @@ -118,18 +113,18 @@ static void mutex_unlock(pthread_mutex_t *mutex) void update_counter_and_wait(void) { - LIST_HEAD(qsreaders); + CDS_LIST_HEAD(qsreaders); int wait_loops = 0; struct rcu_reader *index, *tmp; /* Switch parity: 0 -> 1, 1 -> 0 */ - STORE_SHARED(rcu_gp_ctr, rcu_gp_ctr ^ RCU_GP_CTR_PHASE); + CMM_STORE_SHARED(rcu_gp_ctr, rcu_gp_ctr ^ RCU_GP_CTR_PHASE); /* * Must commit qparity update to memory before waiting for other parity * quiescent state. Failure to do so could result in the writer waiting * forever while new readers are always accessing data (no progress). - * Ensured by STORE_SHARED and LOAD_SHARED. + * Ensured by CMM_STORE_SHARED and CMM_LOAD_SHARED. */ /* @@ -144,22 +139,22 @@ void update_counter_and_wait(void) */ for (;;) { wait_loops++; - list_for_each_entry_safe(index, tmp, ®istry, node) { + cds_list_for_each_entry_safe(index, tmp, ®istry, node) { if (!rcu_old_gp_ongoing(&index->ctr)) - list_move(&index->node, &qsreaders); + cds_list_move(&index->node, &qsreaders); } - if (list_empty(®istry)) { + if (cds_list_empty(®istry)) { break; } else { if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) usleep(RCU_SLEEP_DELAY); else - cpu_relax(); + caa_cpu_relax(); } } /* put back the reader list in the registry */ - list_splice(&qsreaders, ®istry); + cds_list_splice(&qsreaders, ®istry); } void synchronize_rcu(void) @@ -174,7 +169,7 @@ void synchronize_rcu(void) mutex_lock(&rcu_gp_lock); - if (list_empty(®istry)) + if (cds_list_empty(®istry)) goto out; /* All threads should read qparity before accessing data structure @@ -279,7 +274,7 @@ static void add_thread(void) /* Add to registry */ rcu_reader_reg->tid = pthread_self(); assert(rcu_reader_reg->ctr == 0); - list_add(&rcu_reader_reg->node, ®istry); + cds_list_add(&rcu_reader_reg->node, ®istry); rcu_reader = rcu_reader_reg; } @@ -299,7 +294,7 @@ static void rcu_gc_registry(void) ret = pthread_kill(tid, 0); assert(ret != EINVAL); if (ret == ESRCH) { - list_del(&rcu_reader_reg->node); + cds_list_del(&rcu_reader_reg->node); rcu_reader_reg->ctr = 0; rcu_reader_reg->alloc = 0; registry_arena.used -= sizeof(struct rcu_reader);