37 #define DEFINE_FREE(_name, _type, _free) \  argument
38 	static inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; }
40 #define __free(_name)	__cleanup(__free_##_name)  argument
71 #define DEFINE_CLASS(_name, _type, _exit, _init, _init_args...)		\  argument
72 typedef _type class_##_name##_t;					\
73 static inline void class_##_name##_destructor(_type *p)			\
75 static inline _type class_##_name##_constructor(_init_args)		\
78 #define EXTEND_CLASS(_name, ext, _init, _init_args...)			\  argument
79 typedef class_##_name##_t class_##_name##ext##_t;			\
80 static inline void class_##_name##ext##_destructor(class_##_name##_t *p)\
81 { class_##_name##_destructor(p); }					\
82 static inline class_##_name##_t class_##_name##ext##_constructor(_init_args) \
83 { class_##_name##_t t = _init; return t; }
85 #define CLASS(_name, var)						\  argument
86 	class_##_name##_t var __cleanup(class_##_name##_destructor) =	\
87 		class_##_name##_constructor
105 #define DEFINE_GUARD(_name, _type, _lock, _unlock) \  argument
106 	DEFINE_CLASS(_name, _type, _unlock, ({ _lock; _T; }), _type _T)
108 #define guard(_name) \  argument
109 	CLASS(_name, __UNIQUE_ID(guard))
111 #define scoped_guard(_name, args...)					\  argument
112 	for (CLASS(_name, scope)(args),					\
134 #define __DEFINE_UNLOCK_GUARD(_name, _type, _unlock, ...)		\  argument
138 } class_##_name##_t;							\
140 static inline void class_##_name##_destructor(class_##_name##_t *_T)	\
146 #define __DEFINE_LOCK_GUARD_1(_name, _type, _lock)			\  argument
147 static inline class_##_name##_t class_##_name##_constructor(_type *l)	\
149 	class_##_name##_t _t = { .lock = l }, *_T = &_t;		\
154 #define __DEFINE_LOCK_GUARD_0(_name, _lock)				\  argument
155 static inline class_##_name##_t class_##_name##_constructor(void)	\
157 	class_##_name##_t _t = { .lock = (void*)1 },			\
163 #define DEFINE_LOCK_GUARD_1(_name, _type, _lock, _unlock, ...)		\  argument
164 __DEFINE_UNLOCK_GUARD(_name, _type, _unlock, __VA_ARGS__)		\
165 __DEFINE_LOCK_GUARD_1(_name, _type, _lock)
167 #define DEFINE_LOCK_GUARD_0(_name, _lock, _unlock, ...)			\  argument
168 __DEFINE_UNLOCK_GUARD(_name, void, _unlock, __VA_ARGS__)		\
169 __DEFINE_LOCK_GUARD_0(_name, _lock)