int psmx_fabric(struct fi_fabric_attr *attr,
struct fid_fabric **fabric, void *context)
{
struct psmx_fid_fabric *fabric_priv;
int ret;
FI_INFO(&psmx_prov, FI_LOG_CORE, "\n");
if (strcmp(attr->name, PSMX_FABRIC_NAME))
return -FI_ENODATA;
if (psmx_active_fabric) {
psmx_fabric_acquire(psmx_active_fabric);
*fabric = &psmx_active_fabric->util_fabric.fabric_fid;
return 0;
}
fabric_priv = calloc(1, sizeof(*fabric_priv));
if (!fabric_priv)
return -FI_ENOMEM;
ret = ofi_fabric_init(&psmx_prov, &psmx_fabric_attr, attr,
&fabric_priv->util_fabric, context,
FI_MATCH_EXACT);
if (ret) {
FI_INFO(&psmx_prov, FI_LOG_CORE, "ofi_fabric_init returns %d\n", ret);
free(fabric_priv);
return ret;
}
/* fclass & context initialzied in ofi_fabric_init */
fabric_priv->util_fabric.fabric_fid.fid.ops = &psmx_fabric_fi_ops;
fabric_priv->util_fabric.fabric_fid.ops = &psmx_fabric_ops;
psmx_get_uuid(fabric_priv->uuid);
if (psmx_env.name_server) {
ret = pthread_create(&fabric_priv->name_server_thread, NULL,
psmx_name_server, (void *)fabric_priv);
if (ret) {
FI_INFO(&psmx_prov, FI_LOG_CORE, "pthread_create returns %d\n", ret);
/* use the main thread's ID as invalid value for the new thread */
fabric_priv->name_server_thread = pthread_self();
}
}
psmx_query_mpi();
/* take the reference to count for multiple fabric open calls */
psmx_fabric_acquire(fabric_priv);
*fabric = &fabric_priv->util_fabric.fabric_fid;
psmx_active_fabric = fabric_priv;
return 0;
}
static int psmx_fabric(struct fi_fabric_attr *attr,
struct fid_fabric **fabric, void *context)
{
struct psmx_fid_fabric *fabric_priv;
pthread_t thread;
pthread_attr_t thread_attr;
FI_INFO(&psmx_prov, FI_LOG_CORE, "\n");
if (strncmp(attr->name, PSMX_FABRIC_NAME, PSMX_FABRIC_NAME_LEN))
return -FI_ENODATA;
if (psmx_active_fabric) {
psmx_active_fabric->refcnt++;
*fabric = &psmx_active_fabric->fabric;
return 0;
}
fabric_priv = calloc(1, sizeof(*fabric_priv));
if (!fabric_priv)
return -FI_ENOMEM;
fabric_priv->fabric.fid.fclass = FI_CLASS_FABRIC;
fabric_priv->fabric.fid.context = context;
fabric_priv->fabric.fid.ops = &psmx_fabric_fi_ops;
fabric_priv->fabric.ops = &psmx_fabric_ops;
psmx_get_uuid(fabric_priv->uuid);
if (psmx_env.name_server) {
pthread_attr_init(&thread_attr);
pthread_attr_setdetachstate(&thread_attr,PTHREAD_CREATE_DETACHED);
pthread_create(&thread, &thread_attr, psmx_name_server, (void *)fabric_priv);
}
psmx_query_mpi();
fabric_priv->refcnt = 1;
*fabric = &fabric_priv->fabric;
return 0;
}