Changeset 0dd16778 in mainline for uspace/lib/c/generic/async.c

Timestamp:

2015-08-22T14:32:11Z (9 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

f9b2cb4c

Parents:

78bb04b

Message:

start migrating devman to interfaces

File:

• uspace/lib/c/generic/async.c (modified) (1 diff)

uspace/lib/c/generic/async.c

@@ -2272 +2272 @@
         sess->phone = phone;
         sess->arg1 = arg1;
+        sess->arg2 = arg2;
+        sess->arg3 = arg3;
+        
+        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;
+}
+
+/** Wrapper for making IPC_M_CONNECT_ME_TO calls using the async framework.
+ *
+ * Ask through phone for a new connection to some service and block until
+ * success.
+ *
+ * @param exch  Exchange for sending the message.
+ * @param iface Connection interface.
+ * @param arg2  User defined argument.
+ * @param arg3  User defined argument.
+ *
+ * @return New session on success or NULL on error.
+ *
+ */
+async_sess_t *async_connect_me_to_iface(async_exch_t *exch, iface_t iface,
+    sysarg_t arg2, sysarg_t arg3)
+{
+        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;
+        }
+        
+        int phone = async_connect_me_to_internal(exch->phone, iface, arg2,
+            arg3, 0);
+        if (phone < 0) {
+                errno = phone;
+                free(sess);
+                return NULL;
+        }
+        
+        sess->iface = iface;
+        sess->phone = phone;
+        sess->arg1 = iface;
         sess->arg2 = arg2;
         sess->arg3 = arg3;