Changeset 4d6629f in mainline for uspace/lib/c/generic/async.c

Timestamp:

2017-09-03T14:15:32Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9306cd7

Parents:

8a45bf09

Message:

Remove unused connection cloning

File:

• uspace/lib/c/generic/async.c (modified) (3 diffs)

uspace/lib/c/generic/async.c

@@ -1357 +1357 @@
                 async_new_connection(call->in_task_id, in_phone_hash, callid,
                     call, handler, data);
-                return;
-        }
-        
-        /* Cloned connection */
-        if (IPC_GET_IMETHOD(*call) == IPC_M_CLONE_ESTABLISH) {
-                // TODO: Currently ignores ports altogether
-                
-                /* Open new connection with fibril, etc. */
-                async_new_connection(call->in_task_id, IPC_GET_ARG5(*call),
-                    callid, call, fallback_port_handler, fallback_port_data);
                 return;
         }
@@ -2084 +2074 @@
         
         return EOK;
-}
-
-/** Wrapper for making IPC_M_CLONE_ESTABLISH calls using the async framework.
- *
- * Ask for a cloned connection to some service.
- *
- * @param mgmt Exchange management style.
- * @param exch Exchange for sending the message.
- *
- * @return New session on success or NULL on error.
- *
- */
-async_sess_t *async_clone_establish(exch_mgmt_t mgmt, async_exch_t *exch)
-{
-        if (exch == NULL) {
-                errno = ENOENT;
-                return NULL;
-        }
-        
-        async_sess_t *sess = (async_sess_t *) malloc(sizeof(async_sess_t));
-        if (sess == NULL) {
-                errno = ENOMEM;
-                return NULL;
-        }
-        
-        ipc_call_t result;
-        
-        amsg_t *msg = amsg_create();
-        if (!msg) {
-                free(sess);
-                errno = ENOMEM;
-                return NULL;
-        }
-        
-        msg->dataptr = &result;
-        msg->wdata.active = true;
-        
-        ipc_call_async_0(exch->phone, IPC_M_CLONE_ESTABLISH, msg,
-            reply_received);
-        
-        sysarg_t rc;
-        async_wait_for((aid_t) msg, &rc);
-        
-        if (rc != EOK) {
-                errno = rc;
-                free(sess);
-                return NULL;
-        }
-        
-        int phone = (int) IPC_GET_ARG5(result);
-        
-        if (phone < 0) {
-                errno = phone;
-                free(sess);
-                return NULL;
-        }
-        
-        sess->iface = 0;
-        sess->mgmt = mgmt;
-        sess->phone = phone;
-        sess->arg1 = 0;
-        sess->arg2 = 0;
-        sess->arg3 = 0;
-        
-        fibril_mutex_initialize(&sess->remote_state_mtx);
-        sess->remote_state_data = NULL;
-        
-        list_initialize(&sess->exch_list);
-        fibril_mutex_initialize(&sess->mutex);
-        atomic_set(&sess->refcnt, 0);
-        
-        return sess;
 }
 
@@ -3126 +3044 @@
 }
 
-/** Wrapper for sending an exchange over different exchange for cloning
- *
- * @param exch       Exchange to be used for sending.
- * @param clone_exch Exchange to be cloned.
- *
- */
-int async_exchange_clone(async_exch_t *exch, async_exch_t *clone_exch)
-{
-        return async_req_1_0(exch, IPC_M_CONNECTION_CLONE, clone_exch->phone);
-}
-
-/** Wrapper for receiving the IPC_M_CONNECTION_CLONE calls.
- *
- * If the current call is IPC_M_CONNECTION_CLONE then a new
- * async session is created for the accepted phone.
- *
- * @param mgmt Exchange management style.
- *
- * @return New async session or NULL on failure.
- *
- */
-async_sess_t *async_clone_receive(exch_mgmt_t mgmt)
-{
-        /* Accept the phone */
-        ipc_call_t call;
-        ipc_callid_t callid = async_get_call(&call);
-        int phone = (int) IPC_GET_ARG1(call);
-        
-        if ((IPC_GET_IMETHOD(call) != IPC_M_CONNECTION_CLONE) ||
-            (phone < 0)) {
-                async_answer_0(callid, EINVAL);
-                return NULL;
-        }
-        
-        async_sess_t *sess = (async_sess_t *) malloc(sizeof(async_sess_t));
-        if (sess == NULL) {
-                async_answer_0(callid, ENOMEM);
-                return NULL;
-        }
-        
-        sess->iface = 0;
-        sess->mgmt = mgmt;
-        sess->phone = phone;
-        sess->arg1 = 0;
-        sess->arg2 = 0;
-        sess->arg3 = 0;
-        
-        fibril_mutex_initialize(&sess->remote_state_mtx);
-        sess->remote_state_data = NULL;
-        
-        list_initialize(&sess->exch_list);
-        fibril_mutex_initialize(&sess->mutex);
-        atomic_set(&sess->refcnt, 0);
-        
-        /* Acknowledge the cloned phone */
-        async_answer_0(callid, EOK);
-        
-        return sess;
-}
-
 /** Wrapper for receiving the IPC_M_CONNECT_TO_ME calls.
  *