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Diffstat (limited to 'contrib/qemu/include/qapi/qmp/qobject.h')
| -rw-r--r-- | contrib/qemu/include/qapi/qmp/qobject.h | 112 | 
1 files changed, 0 insertions, 112 deletions
diff --git a/contrib/qemu/include/qapi/qmp/qobject.h b/contrib/qemu/include/qapi/qmp/qobject.h deleted file mode 100644 index 9124649ed20..00000000000 --- a/contrib/qemu/include/qapi/qmp/qobject.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * QEMU Object Model. - * - * Based on ideas by Avi Kivity <avi@redhat.com> - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - *  Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - * QObject Reference Counts Terminology - * ------------------------------------ - * - *  - Returning references: A function that returns an object may - *  return it as either a weak or a strong reference.  If the reference - *  is strong, you are responsible for calling QDECREF() on the reference - *  when you are done. - * - *  If the reference is weak, the owner of the reference may free it at - *  any time in the future.  Before storing the reference anywhere, you - *  should call QINCREF() to make the reference strong. - * - *  - Transferring ownership: when you transfer ownership of a reference - *  by calling a function, you are no longer responsible for calling - *  QDECREF() when the reference is no longer needed.  In other words, - *  when the function returns you must behave as if the reference to the - *  passed object was weak. - */ -#ifndef QOBJECT_H -#define QOBJECT_H - -#include <stddef.h> -#include <assert.h> - -typedef enum { -    QTYPE_NONE, -    QTYPE_QINT, -    QTYPE_QSTRING, -    QTYPE_QDICT, -    QTYPE_QLIST, -    QTYPE_QFLOAT, -    QTYPE_QBOOL, -    QTYPE_QERROR, -} qtype_code; - -struct QObject; - -typedef struct QType { -    qtype_code code; -    void (*destroy)(struct QObject *); -} QType; - -typedef struct QObject { -    const QType *type; -    size_t refcnt; -} QObject; - -/* Objects definitions must include this */ -#define QObject_HEAD  \ -    QObject base - -/* Get the 'base' part of an object */ -#define QOBJECT(obj) (&(obj)->base) - -/* High-level interface for qobject_incref() */ -#define QINCREF(obj)      \ -    qobject_incref(QOBJECT(obj)) - -/* High-level interface for qobject_decref() */ -#define QDECREF(obj)              \ -    qobject_decref(obj ? QOBJECT(obj) : NULL) - -/* Initialize an object to default values */ -#define QOBJECT_INIT(obj, qtype_type)   \ -    obj->base.refcnt = 1;               \ -    obj->base.type   = qtype_type - -/** - * qobject_incref(): Increment QObject's reference count - */ -static inline void qobject_incref(QObject *obj) -{ -    if (obj) -        obj->refcnt++; -} - -/** - * qobject_decref(): Decrement QObject's reference count, deallocate - * when it reaches zero - */ -static inline void qobject_decref(QObject *obj) -{ -    if (obj && --obj->refcnt == 0) { -        assert(obj->type != NULL); -        assert(obj->type->destroy != NULL); -        obj->type->destroy(obj); -    } -} - -/** - * qobject_type(): Return the QObject's type - */ -static inline qtype_code qobject_type(const QObject *obj) -{ -    assert(obj->type != NULL); -    return obj->type->code; -} - -#endif /* QOBJECT_H */  | 
