Changeset 13dbaa8c in mainline for kernel/generic/src/ipc/ops/dataread.c

Timestamp:

2012-08-21T21:37:54Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

b1e6269

Parents:

1b186ed

Message:

Factor out dealing with call→buffer from process_answer() to
respective IPC_M_CONNECT_ME_TO and IPC_M_DEBUG ops routines.

File:

• kernel/generic/src/ipc/ops/dataread.c (modified) (1 diff)

kernel/generic/src/ipc/ops/dataread.c

@@ -91 +91 @@
 }
 
+static int answer_process(call_t *answer)
+{
+        if (answer->buffer) {
+                uintptr_t dst = IPC_GET_ARG1(answer->data);
+                size_t size = IPC_GET_ARG2(answer->data);
+                int rc;
+
+                rc = copy_to_uspace((void *) dst, answer->buffer, size);
+                if (rc)
+                        IPC_SET_RETVAL(answer->data, rc);
+        }
+
+        return EOK;
+}
+
 sysipc_ops_t ipc_m_data_read_ops = {
         .request_preprocess = request_preprocess,
         .request_process = null_request_process,
         .answer_preprocess = answer_preprocess,
-        .answer_process = null_answer_process,
+        .answer_process = answer_process,
 };