Changeset 071a1ddb in mainline for uspace/lib/c/generic/async.c

Timestamp:

2017-12-08T21:17:27Z (8 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

0722869, 569a51a

Parents:

9233e9d

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2017-12-08 00:30:18)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2017-12-08 21:17:27)

Message:

Return IRQ handles via a separate out parameter in all uspace code.

File:

• uspace/lib/c/generic/async.c (modified) (2 diffs)

uspace/lib/c/generic/async.c

@@ -1051 +1051 @@
  * @param ucode   Top-half pseudocode handler.
  *
- * @return IRQ capability handle on success.
+ * @param[out] handle  IRQ capability handle on success.
+ *
  * @return Negative error code.
  *
  */
 int async_irq_subscribe(int inr, async_notification_handler_t handler,
-    void *data, const irq_code_t *ucode)
+    void *data, const irq_code_t *ucode, cap_handle_t *handle)
 {
         notification_t *notification =
@@ -1078 +1079 @@
         cap_handle_t cap;
         int rc = ipc_irq_subscribe(inr, imethod, ucode, &cap);
-        if (rc != EOK) {
-                return rc;
-        }
-        return cap;
+        if (rc == EOK && handle != NULL) {
+                *handle = cap;
+        }
+        return rc;
 }