Implement a semi-stub for the SystemExecutionState token in NtPowerInformation

[Luke Benstead]

Information from here:
http://msdn.microsoft.com/en-us/library/aa372675(VS.85).aspx

Luke.
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From 1e4651f4514df9ee0870cbe71c925d998a36343a Mon Sep 17 00:00:00 2001
From: Luke Benstead <kazade at gmail.com>
Date: Sat, 9 May 2009 18:10:29 +0100
Subject: Added a semi-stub for SystemExecutionState in NtPowerInformation

---
 dlls/ntdll/nt.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/dlls/ntdll/nt.c b/dlls/ntdll/nt.c
index 58320c3..2e9e92f 100644
--- a/dlls/ntdll/nt.c
+++ b/dlls/ntdll/nt.c
@@ -1305,7 +1305,17 @@ NTSTATUS WINAPI NtPowerInformation(
 			PowerCaps->MinDeviceWakeState = PowerSystemUnspecified;
 			PowerCaps->DefaultLowLatencyWake = PowerSystemUnspecified;
 			return STATUS_SUCCESS;
-		}
+		} break;
+		case SystemExecutionState: {
+			PULONG ExecutionState = lpOutputBuffer;
+			FIXME("semi-stub: SystemExecutionState\n");
+			if (lpInputBuffer != NULL) {
+				return ERROR_INVALID_PARAMETER;
+			}
+			/* FIXME: The actual state should be the value set by SetThreadExecutionState which is not currently implemented. */
+			*ExecutionState = ES_USER_PRESENT;
+			return STATUS_SUCCESS;
+		} break;
 		default:
 			FIXME("Unimplemented NtPowerInformation action: %d\n", InformationLevel);
 			return STATUS_NOT_IMPLEMENTED;
-- 
1.6.0.4