Changeset 36d852c in mainline for kernel/generic/src/ipc/sysipc.c

Timestamp:

2007-12-23T19:45:30Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

654b7db

Parents:

5c786d1

Message:

Rename IPC_M_DATA_SEND to IPC_M_DATA_WRITE. Now, when we also add
IPC_M_DATA_READ, it will not clash and cause confusion with userspace wrappers
such as ipc_data_receive(). Rename the forementioned wrappers to
ipc_data_write_send(), ipc_data_write_receive() and ipc_data_write_deliver().

File:

• kernel/generic/src/ipc/sysipc.c (modified) (5 diffs)

kernel/generic/src/ipc/sysipc.c

@@ -50 +50 @@
 #include <print.h>
 
-/** Maximum buffer size allowed for IPC_M_DATA_SEND requests. */
-#define DATA_SEND_LIMIT         (64 * 1024)
+/**
+ * Maximum buffer size allowed for IPC_M_DATA_WRITE and IPC_M_DATA_READ
+ * requests.
+ */
+#define DATA_XFER_LIMIT         (64 * 1024)
 
 #define GET_CHECK_PHONE(phone, phoneid, err) \
@@ -112 +115 @@
         case IPC_M_AS_AREA_SEND:
         case IPC_M_AS_AREA_RECV:
-        case IPC_M_DATA_SEND:
+        case IPC_M_DATA_WRITE:
+        case IPC_M_DATA_READ:
                 return 1;
                 break;
@@ -140 +144 @@
         case IPC_M_AS_AREA_SEND:
         case IPC_M_AS_AREA_RECV:
-        case IPC_M_DATA_SEND:
+        case IPC_M_DATA_WRITE:
+        case IPC_M_DATA_READ:
                 return 1;
         default:
@@ -231 +236 @@
                         IPC_SET_RETVAL(answer->data, rc);
                 }
-        } else if (IPC_GET_METHOD(*olddata) == IPC_M_DATA_SEND) {
+        } else if (IPC_GET_METHOD(*olddata) == IPC_M_DATA_WRITE) {
                 if (!IPC_GET_RETVAL(answer->data)) {
                         int rc;
@@ -281 +286 @@
                 IPC_SET_ARG2(call->data, size);
                 break;
-        case IPC_M_DATA_SEND:
+        case IPC_M_DATA_WRITE:
                 src = IPC_GET_ARG2(call->data);
                 size = IPC_GET_ARG3(call->data);
                 
-                if ((size <= 0) || (size > DATA_SEND_LIMIT))
+                if ((size <= 0) || (size > DATA_XFER_LIMIT))
                         return ELIMIT;