ntdll: Implement NtResetEvent().

dlls/ntdll/unix/esync.c

@@ -329,6 +329,21 @@ NTSTATUS esync_set_event( HANDLE handle )
     return STATUS_SUCCESS;
 }
 
+NTSTATUS esync_reset_event( HANDLE handle )
+{
+    uint64_t value;
+    struct esync *obj;
+
+    TRACE("%p.\n", handle);
+
+    if (!(obj = get_cached_object( handle ))) return STATUS_INVALID_HANDLE;
+
+    if (read( obj->fd, &value, sizeof(value) ) == -1 && errno != EWOULDBLOCK && errno != EAGAIN)
+        ERR("read: %s\n", strerror(errno));
+
+    return STATUS_SUCCESS;
+}
+
 #define TICKSPERSEC        10000000
 #define TICKSPERMSEC       10000
 

dlls/ntdll/unix/esync.h

@@ -28,6 +28,7 @@ extern NTSTATUS esync_release_semaphore( HANDLE handle, ULONG count, ULONG *prev
 
 extern NTSTATUS esync_create_event( HANDLE *handle, ACCESS_MASK access,
     const OBJECT_ATTRIBUTES *attr, EVENT_TYPE type, BOOLEAN initial ) DECLSPEC_HIDDEN;
+extern NTSTATUS esync_reset_event( HANDLE handle ) DECLSPEC_HIDDEN;
 extern NTSTATUS esync_set_event( HANDLE handle ) DECLSPEC_HIDDEN;
 
 extern NTSTATUS esync_wait_objects( DWORD count, const HANDLE *handles, BOOLEAN wait_any,

dlls/ntdll/unix/sync.c

@@ -463,8 +463,12 @@ NTSTATUS WINAPI NtSetEvent( HANDLE handle, LONG *prev_state )
  */
 NTSTATUS WINAPI NtResetEvent( HANDLE handle, LONG *prev_state )
 {
+    /* This comment is a dummy to make sure this patch applies in the right place. */
     NTSTATUS ret;
 
+    if (do_esync())
+        return esync_reset_event( handle );
+
     SERVER_START_REQ( event_op )
     {
         req->handle = wine_server_obj_handle( handle );