*
* Userspace RCU library, "bulletproof" version.
*
- * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
* Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
*
* This library is free software; you can redistribute it and/or
exit(-1);
}
if (rcu_reader.need_mb) {
- smp_mb();
+ cmm_smp_mb();
rcu_reader.need_mb = 0;
- smp_mb();
+ cmm_smp_mb();
}
poll(NULL,0,10);
}
*/
/*
- * Adding a smp_mb() which is _not_ formally required, but makes the
+ * Adding a cmm_smp_mb() which is _not_ formally required, but makes the
* model easier to understand. It does not have a big performance impact
* anyway, given this is the write-side.
*/
- smp_mb();
+ cmm_smp_mb();
/*
* Wait for each thread rcu_reader.ctr count to become 0.
*/
for (;;) {
wait_loops++;
- list_for_each_entry_safe(index, tmp, ®istry, head) {
+ list_for_each_entry_safe(index, tmp, ®istry, node) {
if (!rcu_old_gp_ongoing(&index->ctr))
- list_move(&index->head, &qsreaders);
+ list_move(&index->node, &qsreaders);
}
if (list_empty(®istry)) {
/* All threads should read qparity before accessing data structure
* where new ptr points to. */
/* Write new ptr before changing the qparity */
- smp_mb();
+ cmm_smp_mb();
/* Remove old registry elements */
rcu_gc_registry();
update_counter_and_wait(); /* 0 -> 1, wait readers in parity 0 */
/*
- * Adding a smp_mb() which is _not_ formally required, but makes the
+ * Adding a cmm_smp_mb() which is _not_ formally required, but makes the
* model easier to understand. It does not have a big performance impact
* anyway, given this is the write-side.
*/
- smp_mb();
+ cmm_smp_mb();
/*
* Wait for previous parity to be empty of readers.
* Finish waiting for reader threads before letting the old ptr being
* freed.
*/
- smp_mb();
+ cmm_smp_mb();
out:
mutex_unlock(&rcu_gp_lock);
ret = pthread_sigmask(SIG_SETMASK, &oldmask, NULL);
/* Add to registry */
rcu_reader_reg->tid = pthread_self();
assert(rcu_reader_reg->ctr == 0);
- list_add(&rcu_reader_reg->head, ®istry);
+ list_add(&rcu_reader_reg->node, ®istry);
rcu_reader = rcu_reader_reg;
}
ret = pthread_kill(tid, 0);
assert(ret != EINVAL);
if (ret == ESRCH) {
- list_del(&rcu_reader_reg->head);
+ list_del(&rcu_reader_reg->node);
rcu_reader_reg->ctr = 0;
rcu_reader_reg->alloc = 0;
registry_arena.used -= sizeof(struct rcu_reader);