Declare and define a stub for NtSignalAndWaitForSingleObject.

dlls/ntdll/ntdll.spec

@@ -977,7 +977,7 @@
 @ stub NtDeleteAtom
 @ stub NtFindAtom
 @ stub NtReadFileScatter
-@ stub NtSignalAndWaitForSingleObject
+@ stdcall NtSignalAndWaitForSingleObject(long long long ptr)
 @ stub NtWriteFileGather
 @ stub RtlAddAtomToAtomTable
 @ stub RtlCreateAtomTable

dlls/ntdll/sync.c

@@ -822,3 +822,14 @@ NTSTATUS WINAPI NtDelayExecution( BOOLEAN alertable, const LARGE_INTEGER *timeou
     }
     return STATUS_SUCCESS;
 }
+
+
+/******************************************************************
+ *		NtSignalAndWaitForSingleObject (NTDLL.@)
+ */
+NTSTATUS WINAPI NtSignalAndWaitForSingleObject( HANDLE hSignalObject, HANDLE hWaitObject,
+                                                BOOLEAN bAlertable, PLARGE_INTEGER Timeout )
+{
+    FIXME("%p %p %d %p\n", hSignalObject, hWaitObject, bAlertable, Timeout);
+    return STATUS_SUCCESS;
+}

include/winternl.h

@@ -1530,6 +1530,7 @@ NTSTATUS  WINAPI NtSetSecurityObject(HANDLE,SECURITY_INFORMATION,PSECURITY_DESCR
 NTSTATUS  WINAPI NtSetSystemTime(const LARGE_INTEGER*,LARGE_INTEGER*);
 NTSTATUS  WINAPI NtSetTimer(HANDLE, const LARGE_INTEGER*, PTIMERAPCROUTINE, PVOID, BOOLEAN, ULONG, BOOLEAN*);
 NTSTATUS  WINAPI NtSetValueKey(HKEY,const UNICODE_STRING *,ULONG,ULONG,const void *,ULONG);
+NTSTATUS  WINAPI NtSignalAndWaitForSingleObject(HANDLE,HANDLE,BOOLEAN,PLARGE_INTEGER);
 NTSTATUS  WINAPI NtSuspendThread(HANDLE,PULONG);
 NTSTATUS  WINAPI NtTerminateProcess(HANDLE,LONG);
 NTSTATUS  WINAPI NtTerminateThread(HANDLE,LONG);