qemu

FORK: QEMU emulator
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qnull.h (560B)

      1 /*
      2  * QNull
      3  *
      4  * Copyright (C) 2015 Red Hat, Inc.
      5  *
      6  * Authors:
      7  *  Markus Armbruster <armbru@redhat.com>
      8  *
      9  * This work is licensed under the terms of the GNU LGPL, version 2.1
     10  * or later.  See the COPYING.LIB file in the top-level directory.
     11  */
     12 
     13 #ifndef QNULL_H
     14 #define QNULL_H
     15 
     16 #include "qapi/qmp/qobject.h"
     17 
     18 struct QNull {
     19     struct QObjectBase_ base;
     20 };
     21 
     22 extern QNull qnull_;
     23 
     24 static inline QNull *qnull(void)
     25 {
     26     return qobject_ref(&qnull_);
     27 }
     28 
     29 void qnull_unref(QNull *q);
     30 
     31 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QNull, qnull_unref)
     32 
     33 #endif /* QNULL_H */