/*---------------------------------------------------------------------------*/
void xio_context_destroy(struct xio_context *ctx)
{
int i;
xio_observable_notify_all_observers(&ctx->observable,
XIO_CONTEXT_EVENT_CLOSE, NULL);
xio_observable_unreg_all_observers(&ctx->observable);
for (i = 0; i < XIO_STAT_LAST; i++)
if (ctx->stats.name[i])
kfree(ctx->stats.name[i]);
xio_workqueue_destroy(ctx->workqueue);
/* can free only xio created loop */
if (ctx->flags != XIO_LOOP_USER_LOOP)
xio_ev_loop_destroy(ctx->ev_loop);
ctx->ev_loop = NULL;
if (ctx->ctx_dentry) {
debugfs_remove_recursive(ctx->ctx_dentry);
ctx->ctx_dentry = NULL;
}
kfree(ctx);
}
/*---------------------------------------------------------------------------*/
void xio_destroy_context_continue(struct work_struct *work)
{
xio_work_handle_t *xio_work;
struct xio_context *ctx;
int i;
xio_work = container_of(work, xio_work_handle_t, work);
ctx = container_of(xio_work, struct xio_context, destroy_ctx_work);
if (ctx->run_private)
ERROR_LOG("not all observers finished! run_private=%d\n",
ctx->run_private);
xio_observable_notify_all_observers(&ctx->observable,
XIO_CONTEXT_EVENT_POST_CLOSE, NULL);
if (!xio_observable_is_empty(&ctx->observable))
ERROR_LOG("context destroy: observers leak - %p\n", ctx);
xio_observable_unreg_all_observers(&ctx->observable);
for (i = 0; i < XIO_STAT_LAST; i++)
kfree(ctx->stats.name[i]);
xio_workqueue_destroy(ctx->workqueue);
xio_objpool_destroy(ctx->msg_pool);
/* can free only xio created loop */
if (ctx->flags != XIO_LOOP_USER_LOOP)
xio_ev_loop_destroy(ctx->ev_loop);
ctx->ev_loop = NULL;
XIO_OBSERVABLE_DESTROY(&ctx->observable);
xio_ctx_task_pools_destroy(ctx);
if (ctx->mempool) {
xio_mempool_destroy(ctx->mempool);
ctx->mempool = NULL;
}
kfree(ctx);
}
void xio_context_destroy(struct xio_context *ctx)
{
int found;
found = xio_idr_lookup_uobj(usr_idr, ctx);
if (found) {
xio_idr_remove_uobj(usr_idr, ctx);
} else {
ERROR_LOG("context not found:%p\n", ctx);
xio_set_error(XIO_E_USER_OBJ_NOT_FOUND);
return;
}
ctx->run_private = 0;
xio_observable_notify_all_observers(&ctx->observable,
XIO_CONTEXT_EVENT_CLOSE, NULL);
/* allow internally to run the loop for final cleanup */
if (ctx->run_private)
xio_context_run_loop(ctx);
if (ctx->run_private == 0)
xio_destroy_context_continue(&ctx->destroy_ctx_work.work);
}
/*---------------------------------------------------------------------------*/
int xio_unbind(struct xio_server *server)
{
int retval = 0;
int found;
if (!server)
return -1;
found = xio_idr_lookup_uobj(usr_idr, server);
if (found) {
xio_idr_remove_uobj(usr_idr, server);
} else {
ERROR_LOG("server not found:%p\n", server);
xio_set_error(XIO_E_USER_OBJ_NOT_FOUND);
return -1;
}
/* notify all observers that the server wishes to exit */
xio_observable_notify_all_observers(&server->nexus_observable,
XIO_SERVER_EVENT_CLOSE, NULL);
kref_put(&server->kref, xio_server_destroy);
return retval;
}
