ntoskrnl.exe: Implement IoCreateSynchronizationEvent.

dlls/ntoskrnl.exe/ntoskrnl.c

@@ -402,7 +402,7 @@ static CRITICAL_SECTION_DEBUG handle_map_critsect_debug =
 };
 static CRITICAL_SECTION handle_map_cs = { &handle_map_critsect_debug, -1, 0, 0, 0, 0 };
 
-static NTSTATUS kernel_object_from_handle( HANDLE handle, POBJECT_TYPE type, void **ret )
+NTSTATUS kernel_object_from_handle( HANDLE handle, POBJECT_TYPE type, void **ret )
 {
     struct object_header *header;
     void *obj;
@@ -3291,15 +3291,6 @@ BOOLEAN WINAPI Ke386SetIoAccessMap(ULONG flag, PVOID buffer)
 }
 
 /*****************************************************
- *           IoCreateSynchronizationEvent (NTOSKRNL.EXE.@)
- */
-PKEVENT WINAPI IoCreateSynchronizationEvent(PUNICODE_STRING name, PHANDLE handle)
-{
-    FIXME("(%p %p) stub\n", name, handle);
-    return (KEVENT *)0xdeadbeaf;
-}
-
-/*****************************************************
  *           IoStartNextPacket  (NTOSKRNL.EXE.@)
  */
 VOID WINAPI IoStartNextPacket(PDEVICE_OBJECT deviceobject, BOOLEAN cancelable)

dlls/ntoskrnl.exe/ntoskrnl.exe.spec

@@ -1395,7 +1395,7 @@
 @ stdcall -private ZwSetDefaultLocale(long long) NtSetDefaultLocale
 @ stdcall -private ZwSetDefaultUILanguage(long) NtSetDefaultUILanguage
 @ stdcall -private ZwSetEaFile(long ptr ptr long) NtSetEaFile
-@ stdcall -private ZwSetEvent(long ptr) NtSetEvent
+@ stdcall ZwSetEvent(long ptr) NtSetEvent
 @ stdcall -private ZwSetInformationFile(long ptr ptr long long) NtSetInformationFile
 @ stdcall -private ZwSetInformationJobObject(long long ptr long) NtSetInformationJobObject
 @ stdcall -private ZwSetInformationObject(long long ptr long) NtSetInformationObject

dlls/ntoskrnl.exe/ntoskrnl_private.h

@@ -29,6 +29,7 @@ struct _OBJECT_TYPE {
 
 void *alloc_kernel_object( POBJECT_TYPE type, HANDLE handle, SIZE_T size, LONG ref ) DECLSPEC_HIDDEN;
 HANDLE kernel_object_handle( void *obj, unsigned int access ) DECLSPEC_HIDDEN;
+NTSTATUS kernel_object_from_handle( HANDLE handle, POBJECT_TYPE type, void **ret ) DECLSPEC_HIDDEN;
 
 extern POBJECT_TYPE ExEventObjectType;
 extern POBJECT_TYPE ExSemaphoreObjectType;

dlls/ntoskrnl.exe/sync.c

@@ -219,6 +219,32 @@ static struct _OBJECT_TYPE event_type = {
 POBJECT_TYPE ExEventObjectType = &event_type;
 
 /***********************************************************************
+ *           IoCreateSynchronizationEvent (NTOSKRNL.EXE.@)
+ */
+PKEVENT WINAPI IoCreateSynchronizationEvent( UNICODE_STRING *name, HANDLE *ret_handle )
+{
+    OBJECT_ATTRIBUTES attr;
+    HANDLE handle;
+    KEVENT *event;
+    NTSTATUS ret;
+
+    TRACE( "(%p %p)\n", name, ret_handle );
+
+    InitializeObjectAttributes( &attr, name, 0, 0, NULL );
+    ret = NtCreateEvent( &handle, EVENT_ALL_ACCESS, &attr, SynchronizationEvent, TRUE );
+    if (ret) return NULL;
+
+    if (kernel_object_from_handle( handle, ExEventObjectType, (void**)&event ))
+    {
+        NtClose( handle);
+        return NULL;
+    }
+
+    *ret_handle = handle;
+    return event;
+}
+
+/***********************************************************************
  *           KeSetEvent   (NTOSKRNL.EXE.@)
  */
 LONG WINAPI KeSetEvent( PRKEVENT event, KPRIORITY increment, BOOLEAN wait )

dlls/ntoskrnl.exe/tests/driver.c

@@ -474,6 +474,33 @@ static void test_sync(void)
     ZwClose(handle);
     ObDereferenceObject(event);
 
+    event = IoCreateSynchronizationEvent(NULL, &handle);
+    ok(event != NULL, "IoCreateSynchronizationEvent failed\n");
+
+    ret = wait_single(event, 0);
+    ok(ret == 0, "got %#x\n", ret);
+    KeResetEvent(event);
+    ret = wait_single(event, 0);
+    ok(ret == STATUS_TIMEOUT, "got %#x\n", ret);
+    ret = wait_single_handle(handle, 0);
+    ok(ret == STATUS_TIMEOUT, "got %#x\n", ret);
+
+    ret = ZwSetEvent(handle, NULL);
+    ok(!ret, "NtSetEvent returned %#x\n", ret);
+    ret = wait_single(event, 0);
+    ok(ret == 0, "got %#x\n", ret);
+    ret = wait_single_handle(handle, 0);
+    ok(ret == STATUS_TIMEOUT, "got %#x\n", ret);
+
+    KeSetEvent(event, 0, FALSE);
+    ret = wait_single_handle(handle, 0);
+    ok(!ret, "got %#x\n", ret);
+    ret = wait_single(event, 0);
+    ok(ret == STATUS_TIMEOUT, "got %#x\n", ret);
+
+    ret = ZwClose(handle);
+    ok(!ret, "ZwClose returned %#x\n", ret);
+
     /* test semaphores */
     KeInitializeSemaphore(&semaphore, 0, 5);
 

include/ddk/wdm.h

@@ -1488,6 +1488,7 @@ VOID      WINAPI IoCompleteRequest(IRP*,UCHAR);
 NTSTATUS  WINAPI IoCreateDevice(DRIVER_OBJECT*,ULONG,UNICODE_STRING*,DEVICE_TYPE,ULONG,BOOLEAN,DEVICE_OBJECT**);
 NTSTATUS  WINAPI IoCreateDriver(UNICODE_STRING*,PDRIVER_INITIALIZE);
 NTSTATUS  WINAPI IoCreateSymbolicLink(UNICODE_STRING*,UNICODE_STRING*);
+PKEVENT   WINAPI IoCreateSynchronizationEvent(UNICODE_STRING*,HANDLE*);
 void      WINAPI IoDeleteDevice(DEVICE_OBJECT*);
 void      WINAPI IoDeleteDriver(DRIVER_OBJECT*);
 NTSTATUS  WINAPI IoDeleteSymbolicLink(UNICODE_STRING*);