/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
void (*send_bpdu)(struct ofpbuf *bpdu, int port_no, void *aux);
void *aux;
- atomic_int ref_cnt;
+ struct ovs_refcount ref_cnt;
};
static struct ovs_mutex mutex;
p->path_cost = 19; /* Recommended default for 100 Mb/s link. */
stp_initialize_port(p, STP_DISABLED);
}
- atomic_init(&stp->ref_cnt, 1);
+ ovs_refcount_init(&stp->ref_cnt);
list_push_back(all_stps, &stp->node);
ovs_mutex_unlock(&mutex);
{
struct stp *stp = CONST_CAST(struct stp *, stp_);
if (stp) {
- int orig;
- atomic_add(&stp->ref_cnt, 1, &orig);
- ovs_assert(orig > 0);
+ ovs_refcount_ref(&stp->ref_cnt);
}
return stp;
}
void
stp_unref(struct stp *stp)
{
- int orig;
-
- if (!stp) {
- return;
- }
-
- atomic_sub(&stp->ref_cnt, 1, &orig);
- ovs_assert(orig > 0);
- if (orig == 1) {
+ if (stp && ovs_refcount_unref(&stp->ref_cnt) == 1) {
ovs_mutex_lock(&mutex);
list_remove(&stp->node);
ovs_mutex_unlock(&mutex);
case STP_BLOCKING:
return "blocking";
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
case STP_ROLE_DISABLED:
return "disabled";
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}