Changeset 566992e1 in mainline for uspace/lib/c/generic/ns.c

Timestamp:

2015-08-22T05:01:24Z (9 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

d9e68d0

Parents:

57dea62

Message:

extremely rudimentary support for interfaces and ports
(does not do much, but it is backward and forward compatible)

File:

• uspace/lib/c/generic/ns.c (modified) (2 diffs)

uspace/lib/c/generic/ns.c

@@ -40 +40 @@
 #include "private/ns.h"
 
-int service_register(sysarg_t service)
+int service_register(service_t service)
 {
         async_exch_t *exch = async_exchange_begin(session_ns);
@@ -119 +119 @@
 }
 
+async_sess_t *service_connect_blocking_iface_extended(service_t service,
+    iface_t iface, sysarg_t arg3)
+{
+        async_exch_t *exch = async_exchange_begin(session_ns);
+        async_sess_t *sess =
+            async_connect_me_to_blocking_iface(exch, iface, service, arg3);
+        async_exchange_end(exch);
+        
+        if (!sess)
+                return NULL;
+        
+        /*
+         * FIXME Ugly hack to work around limitation of implementing
+         * parallel exchanges using multiple connections. Shift out
+         * first argument for non-initial connections.
+         */
+        async_sess_args_set(sess, iface, arg3, 0);
+        
+        return sess;
+}
+
 async_sess_t *service_connect_blocking(exch_mgmt_t mgmt, service_t service,
     sysarg_t arg3)
 {
         async_exch_t *exch = async_exchange_begin(session_ns);
-        if (!exch)
-                return NULL;
         async_sess_t *sess =
             async_connect_me_to_blocking(mgmt, exch, 0, service, arg3);