Changeset 704baed in mainline for uspace/lib/hound/src/protocol.c

Timestamp:

2013-04-05T14:31:50Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

c5d6f9cf

Parents:

c5b8548

Message:

libhound: implement stream drain for playback streams

File:

• uspace/lib/hound/src/protocol.c (modified) (2 diffs)

uspace/lib/hound/src/protocol.c

@@ -486 +486 @@
         ipc_call_t call;
         size_t size = 0;
-        while (async_data_write_receive_call(&callid, &call, &size)) {
+        while (async_data_write_receive_call(&callid, &call, &size)
+            || (IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_DRAIN)) {
+                if (IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_DRAIN) {
+                        int ret = ENOTSUP;
+                        if (server_iface->drain_stream)
+                                ret = server_iface->drain_stream(stream);
+                        async_answer_0(callid, ret);
+                        continue;
+                }
                 char *buffer = malloc(size);
                 if (!buffer) {
@@ -494 +502 @@
                 int ret = async_data_write_finalize(callid, buffer, size);
                 if (ret == EOK) {
-                        ret = server_iface->stream_data_write(stream, buffer, size);
+                        ret = server_iface->stream_data_write(
+                            stream, buffer, size);
                 }
                 async_answer_0(callid, ret);
         }
-        //TODO drain?
         const int ret = IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_EXIT
             ? EOK : EINVAL;