Changeset 09d01f2 in mainline for kernel/generic/src/ipc/ipcrsc.c

Timestamp:

2017-12-18T17:40:52Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

2024096, 23d4515

Parents:

6a32cc5f

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2017-12-18 15:39:01)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2017-12-18 17:40:52)

Message:

Return phones/capabilities separately from error codes.

File:

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

kernel/generic/src/ipc/ipcrsc.c

@@ -166 +166 @@
  * @param task  Task for which to allocate a new phone.
  *
- * @return  New phone capability handle.
+ * @param[out] out_handle  New phone capability handle.
+ *
  * @return  Negative error code if a new capability cannot be allocated.
  */
-cap_handle_t phone_alloc(task_t *task)
-{
-        cap_handle_t handle = cap_alloc(task);
-        if (handle >= 0) {
+int phone_alloc(task_t *task, cap_handle_t *out_handle)
+{
+        cap_handle_t handle;
+        int rc = cap_alloc(task, &handle);
+        if (rc == EOK) {
                 phone_t *phone = slab_alloc(phone_cache, FRAME_ATOMIC);
                 if (!phone) {
@@ -193 +195 @@
                 
                 cap_publish(task, handle, kobject);
+
+                *out_handle = handle;
         }
-        
-        return handle;
+        return rc;
 }