Changeset f9061b4 in mainline for uspace/lib/c/generic/event.c

Timestamp:

2011-05-16T13:38:04Z (13 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

4e1a2f5

Parents:

e0f52bf

Message:

add kernel event notification masking (currently used only for EVENT_KLOG)
improve kernel event notification API

File:

• uspace/lib/c/generic/event.c (modified) (1 diff)

uspace/lib/c/generic/event.c

@@ -41 +41 @@
 #include <kernel/ipc/event_types.h>
 
-/** Subscribe for event notifications.
+/** Subscribe event notifications.
  *
- * @param evno   Event number.
- * @param method Use this method for notifying me.
+ * @param evno    Event type to subscribe.
+ * @param imethod Use this interface and method for notifying me.
  *
  * @return Value returned by the kernel.
+ *
  */
-int event_subscribe(event_type_t e, sysarg_t method)
+int event_subscribe(event_type_t evno, sysarg_t imethod)
 {
-        return __SYSCALL2(SYS_EVENT_SUBSCRIBE, (sysarg_t) e, (sysarg_t) method);
+        return __SYSCALL2(SYS_EVENT_SUBSCRIBE, (sysarg_t) evno,
+            (sysarg_t) imethod);
+}
+
+/** Unmask event notifications.
+ *
+ * @param evno Event type to unmask.
+ *
+ * @return Value returned by the kernel.
+ *
+ */
+int event_unmask(event_type_t evno)
+{
+        return __SYSCALL1(SYS_EVENT_UNMASK, (sysarg_t) evno);
 }