*/
#define _BSD_SOURCE
+#define _GNU_SOURCE
#include <stdio.h>
#include <pthread.h>
#include <signal.h>
#include <errno.h>
#include <poll.h>
+#include "urcu-map.h"
+
#include "urcu-static.h"
/* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
#include "urcu.h"
unsigned int __thread rand_yield;
#endif
-static LIST_HEAD(registry);
+static CDS_LIST_HEAD(registry);
static void mutex_lock(pthread_mutex_t *mutex)
{
perror("Error in pthread mutex lock");
exit(-1);
}
- if (LOAD_SHARED(rcu_reader.need_mb)) {
+ if (CMM_LOAD_SHARED(rcu_reader.need_mb)) {
cmm_smp_mb();
- _STORE_SHARED(rcu_reader.need_mb, 0);
+ _CMM_STORE_SHARED(rcu_reader.need_mb, 0);
cmm_smp_mb();
}
poll(NULL,0,10);
* Ask for each threads to execute a cmm_smp_mb() so we can consider the
* compiler barriers around rcu read lock as real memory barriers.
*/
- if (list_empty(®istry))
+ if (cds_list_empty(®istry))
return;
/*
* pthread_kill has a cmm_smp_mb(). But beware, we assume it performs
* safe and don't assume anything : we use cmm_smp_mc() to make sure the
* cache flush is enforced.
*/
- list_for_each_entry(index, ®istry, node) {
- STORE_SHARED(index->need_mb, 1);
+ cds_list_for_each_entry(index, ®istry, node) {
+ CMM_STORE_SHARED(index->need_mb, 1);
pthread_kill(index->tid, SIGRCU);
}
/*
* relevant bug report. For Linux kernels, we recommend getting
* the Linux Test Project (LTP).
*/
- list_for_each_entry(index, ®istry, node) {
- while (LOAD_SHARED(index->need_mb)) {
+ cds_list_for_each_entry(index, ®istry, node) {
+ while (CMM_LOAD_SHARED(index->need_mb)) {
pthread_kill(index->tid, SIGRCU);
poll(NULL, 0, 1);
}
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 rcu_gp_ctr update to memory before waiting for quiescent
smp_mb_master(RCU_MB_GROUP);
}
- list_for_each_entry_safe(index, tmp, ®istry, node) {
+ cds_list_for_each_entry_safe(index, tmp, ®istry, node) {
if (!rcu_gp_ongoing(&index->ctr))
- list_move(&index->node, &qsreaders);
+ cds_list_move(&index->node, &qsreaders);
}
#ifndef HAS_INCOHERENT_CACHES
- if (list_empty(®istry)) {
+ if (cds_list_empty(®istry)) {
if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
/* Read reader_gp before write futex */
smp_mb_master(RCU_MB_GROUP);
if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS)
wait_gp();
else
- cpu_relax();
+ caa_cpu_relax();
}
#else /* #ifndef HAS_INCOHERENT_CACHES */
/*
* BUSY-LOOP. Force the reader thread to commit its
* rcu_reader.ctr update to memory if we wait for too long.
*/
- if (list_empty(®istry)) {
+ if (cds_list_empty(®istry)) {
if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
/* Read reader_gp before write futex */
smp_mb_master(RCU_MB_GROUP);
wait_loops = 0;
break; /* only escape switch */
default:
- cpu_relax();
+ caa_cpu_relax();
}
}
#endif /* #else #ifndef HAS_INCOHERENT_CACHES */
}
/* put back the reader list in the registry */
- list_splice(&qsreaders, ®istry);
+ cds_list_splice(&qsreaders, ®istry);
}
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
mutex_lock(&rcu_gp_lock);
rcu_init(); /* In case gcc does not support constructor attribute */
- list_add(&rcu_reader.node, ®istry);
+ cds_list_add(&rcu_reader.node, ®istry);
mutex_unlock(&rcu_gp_lock);
}
void rcu_unregister_thread(void)
{
mutex_lock(&rcu_gp_lock);
- list_del(&rcu_reader.node);
+ cds_list_del(&rcu_reader.node);
mutex_unlock(&rcu_gp_lock);
}
* executed on.
*/
cmm_smp_mb();
- _STORE_SHARED(rcu_reader.need_mb, 0);
+ _CMM_STORE_SHARED(rcu_reader.need_mb, 0);
cmm_smp_mb();
}
exit(-1);
}
assert(act.sa_sigaction == sigrcu_handler);
- assert(list_empty(®istry));
+ assert(cds_list_empty(®istry));
}
+
#endif /* #ifdef RCU_SIGNAL */
+
+#include "urcu-call-rcu-impl.h"
+#include "urcu-defer-impl.h"