Changeset 28700 in vbox for trunk/include/iprt/semaphore.h

Timestamp:

Apr 24, 2010 10:43:41 PM (15 years ago)

Author:

vboxsync

Message:

iprt/semaphore.h: RTEvent*Signal() - ring-0 clarification.

File:

• trunk/include/iprt/semaphore.h (modified) (2 diffs)

trunk/include/iprt/semaphore.h

@@ -112 +112 @@
  * @returns iprt status code.
  * @param   hEventSem           The event semaphore to signal.
+ *
+ * @remarks ring-0: This works when preemption is disabled.  However it is
+ *          system specific whether it works in interrupt context or with
+ *          interrupts disabled.
  */
 RTDECL(int)  RTSemEventSignal(RTSEMEVENT hEventSem);
@@ -232 +236 @@
  * @returns iprt status code.
  * @param   hEventMultiSem      The multiple release event sempahore.
+ *
+ * @remarks ring-0: This works when preemption is disabled.  However it is
+ *          system specific whether it works in interrupt context or with
+ *          interrupts disabled.
  */
 RTDECL(int)  RTSemEventMultiSignal(RTSEMEVENTMULTI hEventMultiSem);