Changeset e8039a86 in mainline for kernel/generic/src/ipc/ops/concttome.c

Timestamp:

2012-08-20T23:21:41Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

0343a1b

Parents:

642dc72

Message:

Separate system IPC logic into dedicated ops structure hooks.

File:

• kernel/generic/src/ipc/ops/concttome.c (modified) (2 diffs)

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

@@ -1 +1 @@
 /*
+ * Copyright (c) 2006 Ondrej Palkovsky
  * Copyright (c) 2012 Jakub Jermar 
  * All rights reserved.
@@ -34 +35 @@
 
 #include <ipc/sysipc_ops.h>
+#include <ipc/ipc.h>
+#include <ipc/ipcrsc.h>
+#include <abi/errno.h>
+#include <arch.h>
+
+static int request_process(call_t *call, answerbox_t *box)
+{
+        int phoneid = phone_alloc(TASK);
+
+        if (phoneid < 0) {  /* Failed to allocate phone */
+                IPC_SET_RETVAL(call->data, ELIMIT);
+                ipc_answer(box, call);
+                return -1;
+        }
+                
+        IPC_SET_ARG5(call->data, phoneid);
+        
+        return EOK;
+}
+
+static int answer_preprocess(call_t *answer, ipc_data_t *olddata)
+{
+        int phoneid = (int) IPC_GET_ARG5(*olddata);
+
+        if (IPC_GET_RETVAL(answer->data) != EOK) {
+                /* The connection was not accepted */
+                int phoneid = (int) IPC_GET_ARG5(*olddata);
+        
+                phone_dealloc(phoneid);
+        } else {
+                /* The connection was accepted */
+                phone_connect(phoneid, &answer->sender->answerbox);
+                /* Set 'phone hash' as arg5 of response */
+                IPC_SET_ARG5(answer->data, (sysarg_t) &TASK->phones[phoneid]);
+        }
+
+        return EOK;
+}
+
 
 sysipc_ops_t ipc_m_connect_to_me_ops = {
         .request_preprocess = null_request_preprocess,
-        .request_process = null_request_process,
-        .answer_preprocess = null_answer_preprocess,
+        .request_process = request_process,
+        .answer_preprocess = answer_preprocess,
         .answer_process = null_answer_process,
 };